Thursday 27 November 2014

Ban on landing of trash fishes at Karachi Harbour: fish traders' strike enters third day

 Article cover image
  
RECORDER REPORT

Fish traders' strike on Wednesday entered third day against official ban on landing of trash seafood at Karachi Fish Harbour, fishermen said. Fishermen said the strike reduced the fish and shrimp rates by 50 percent within the last three days, adding that the government and traders dispute has badly hit their living.

They feared there are several boats anchored at the harbour with loaded seafood stuff during the last three days. "The seafood stuff loaded in the boats is likely to decay as the cooling in holds is gradually losing," fishermen said. The government has suddenly imposed ban on trash fish and shrimp landing and disallowed all coming boats to landing their catch. "The policy should be implemented with consensus and with clear warnings to boats," they noted.

The ordinance, which the government has implemented now, has been in place for the last 28 years but the authorities paid any head to the grim situation that the country's seas are facing from growing seabed trawling. "The government and traders should end their dispute immediately to facilitate the local fishermen, whose earnings are relied on sales of fish and shrimp to maintain their families amid growing inflation," they said.

They said the government continued to spare the sea-lords, who are using the banned nets for seafood catch in creeks. The nets are so thin that catch undersized shrimp and fish species which are not fit for human consumption and sold at cheaper rates as trash stuff. "The government should evolve fisheries policy keeping in view the world standards in collaboration with local fishermen and then implement it effectively and indiscriminately across the coastal belt of Sindh province," they said.

 News Source

Tuesday 25 November 2014

Protest and Strike of Fishermen Against Govt: of Sindh Fisheries & Live Stock Department.

 Article cover image
Catching and landing of wet fishes and processing of fishmeal have been stooped in the result of a strike which is being observed under protest against Sindh Government Fisheries & Live Stock department for undeclared period. It was decided in a joint meeting of fishermen & fishmeal manufacturers/ exporters which was held at Ibrahim Haidri Goth Karachi yesterday against illegal raids over the fishmeal factories/ plants and to seal them by Govt: of Sindh Fisheries & Live Stock department. It was discussed that despite of restricted through stay orders by Honorable Sindh High Court Karachi, some officers of Sindh Govt: have been harassing fishmeal factories/ plants owners and workers not to process fishmeal alleging that it contains prohibited fish species catches through illegal fishing nets.

Fishmeal is produced automatically or manually from different wild-caught wet/ dried marine fish species which have low weight and reduced size and they ever remains naturally in their original low live weight from 5 mg to 200 mg similarly reduced size from 2 inches to 6 inches. The said wild-caught small marine fish contain a high percentage of bones and oil, and is usually deemed not suitable for direct human consumption in Pakistan and worldwide. The fish caught for fishmeal purposes solely are termed industrial. [http://en.wikipedia.org/wiki/Fish_meal]. Hence, there is no question of alleged illegal fishing nets and so-called prohibited fish species arose in the recent issue malafidely  raised by Govt: of Sindh Fisheries & live Stock department.

Friday 18 April 2014

16-foot great white shark spotted near Australian beach

By: Tanya Lewis, LiveScience


Cage diving with great white sharks is one thing. Spotting one at a local beach is quite another! (Photo: Hermanus Backpackers/Flickr)
A massive great white shark has been spotted swimming close to an Australian beach, scaring the locals and forcing the beach to close, according to news reports.
The female shark, nicknamed "Joan of Shark" by local fisherman, is more than 16 feet (5 meters) long and weighs about 1.8 tons (1.6 metric tons), The Telegraph reported. Signals from a satellite tag on the shark alerted authorities to its location, and city officials warned residents of Albany, Western Australia, to stay out of the water.
Joan was the largest of her kind to be electronically tagged. Fisheries protection officers injected an external tracking device in the shark and tracked her for three weeks. They captured the shark again a week later and placed a more sophisticated tag in her stomach that will enable the officers to track her for at least a decade, The Telegraph reported. A network of more than 300 monitors on the seabed can pinpoint the shark's movements, sending signals via satellite to warn authorities of her whereabouts. [Image Gallery: Great White Shark Pictures]
The shark may have smelled a dying humpback whale that was beached in the area, a spokesman for the state department of fisheries said, according to The Telegraph.
Great white sharks are the largest predatory fishes on the planet. They can reach up to 20 feet (6 m) in length and weigh up to 2.5 tons (2.3 metric tons).
They are highly intelligent and curious creatures, with well-developed senses. They can swim at speeds of up to 15 mph (24 km/h), and can leap completely out of the water when hunting prey. They attack quickly, from below, and pack a powerful, sometimes deadly, bite.
These massive sharks have 300 teeth, arranged in up to seven rows. Young great whites feed on fish, rays and other small sharks. Adults hunt harbor seals, sea lions and elephant seals, or scavenge whale carcasses for the blubber.
Great whites have been known to attack humans, but not eat them. Great white sharks have killed a number of swimmers and divers off the coast of Western Australia in the past four years.

Monday 14 April 2014

Ocean Acidification Could Make Fish Lose Their Fear Of Predators, Study Finds

By Katie Valentine
shutterstock_113409577 
CREDIT: Shutterstock

Add “losing fear of predators” to the long list of impacts acidifying oceans could have on fish and other marine life.
A new study published in Nature Climate Change has found that elevated CO2 levels in marine waters make reef fish attracted to the smell of their predators, rather than being repelled. Researchers looked at multiple species of reef fish living near natural volcanic CO2 seeps in Papua New Guinea, an environment the study says is acidified to levels comparable to projections of what the entire ocean’s acid content will be in the next 100 years. They compared the behavior of the fish living in the acidified environment to fish in nearby, less acidified reefs, and found that, while fish in the nearby control reefs avoided water streams that contained predator odor, fish from the acidified reef spent 90 percent of their time in water streams that smelled of their predators.
On top of that, fish that lived under high-CO2 conditions were bolder than other fish — meaning that they emerged more quickly from their hiding places after a disturbance and ventured farther from their hiding places than other fish — and couldn’t differentiate the smells of different habitats. Fish from the control reef spent more than 80 percent of their time in hiding, while two species of damselfish from the acidified reef spent less than 12 percent of their time in shelter, and two other fish species studied spent no time in shelter, preferring to swim in more exposed, open water
Danielle Dixson, assistant professor at Georgia Tech and co-author of the study, told ThinkProgress that the results of the study were surprising because scientists long believed that fish would be able to deal with ocean acidification due to their natural mechanism for coping with increased levels of CO2. When fish are exposed to high acid environments, they absorb the acid into their bodies, and to compensate for the increased acid, they increase the amount of bicarbonate — a base — their bodies produce.
“The thing that people didn’t really think about was that when they up-regulate all this bicarbonate, it interacts with neurological pathways,” Dixson said.
Dixson said that when there’s too much bicarbonate in the fish’s system, their GABA receptor stops working properly, causing the cognitive issues the researchers recorded. These effects have major implications for the future of the ocean ecosystem. The balance of the acidified reef ecosystem in the study did not suffer as a result of the cognitive problems of the fish, mainly because there were fewer predators in the environment and because, when young fish were killed by predators in the acidified environment, other young fish would migrate from nearby, less acidified reefs to replace them. But when all the oceans are at the level of the CO2 seep ecosystem, this replacement from fish in less acidified waters won’t be an option.
“It is hopeful that there are still fish that live [in the CO2 seep sites] and that they’re metabolically the same as the fish that live in the non-CO2 seep site, but the degree of aid that the control sites are providing the CO2 sites is unknown,” Dixson said. “As the world acidifies — in 100 years when the ocean is expected to be the equivalent of a CO2 seep reef — there won’t be these safe havens that can help.”
The study isn’t the first to document ocean acidification’s wide-reaching effects on fish and other marine species. Another study from August also found that fish could become confused and hyperactive as acid levels increase in the ocean, and also found evidence that the metabolism of fish could change. That study also found that when atmospheric carbon levels reached 500 to 650 parts per million — levels that are predicted by 2100 — corals, echinoderms (such as starfish), mollusks and fish were negatively impacted. Researchers have also predicted that ocean acidification could lead to a decline in shellfish, and that coral will struggle to build its skeleton as acidity rises. The effects of acidification could be so harmful to coral that Oceana predicts some species of coral could become functionally extinct within 20 years.

Source:  http://thinkprogress.org

Tuesday 8 April 2014

Khan Traders Fish Meal — Karachi

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Posted by Naeem Khan

Pure Fish Meal For Poultry and Animal Feed. ( steam dried )

We feel pride to introduce ourselves as one of the top most leading manufacturers, processors and suppliers of pure fish meal in Ibrahim Haidri, the hub of fresh fish and sea food in Karachi Pakistan.

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During the preparation of Fish Meal, we ensure best product specification, texture, physical appearance and chemical analysis to high standard value, to produce a best fish meal for poultry feed as an ingredient, result in to enhance the poultry feed quality.

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Source:  http://karachi.olx.com.pk/khan-traders-fish-meal-iid-619704380

Monday 31 March 2014

When male fish turn female!

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When male fish turn female!

In what can be termed as a perfect case of gender-bender among fish, biologists have found evidence of “feminisation” of male fish in the estuaries in the Basque coast of Spain. Pollutants acting as oestrogens are responsible for this phenomenon which, among other changes, is causing ovocytes — immature ova — to appear in male fish, biologists claimed. The acquisition of feminine features by male fish has been detected, to a greater or lesser extent in all the estuaries — not only in the characteristics of the gonads of the specimens analysed but also in various molecular markers.
“The results show that endocrine disruption is a phenomenon that has spread all over our estuaries, which means that, as has been detected in other countries, we have a problem with pollutants,” explained Miren P Cajaraville, Director of the group of Cell Biology in Environmental Toxicology at the University of the Basque Country. The team has conducted research using thick-lipped grey mullet and has analysed specimens in seven zones in coastal Spain — Arriluze, Gernika, Santurtzi, Plentzia, Ondarroa, Deba and Pasaia. The results of the research were published in the journal Science of the Total Environment and Marine Environmental Research. — IANS
Source:  http://main.omanobserver.om

Pollution is disrupting these fish and their genitals

by Nicholas Tufnell



Grey mullet fish have been caught exhibiting female gonads
Shutterstock
 
The gonads of thick-lipped grey mullets are becoming increasingly feminised in the estuaries of Spain's Basque Country, according to research carried out by members of the Cell Biology in Environmental Toxicology group from the University of the Basque Country. The cause of this feminisation is thought to be due to certain pollutants, which are increasing oestrogen levels in the fish.
The specimens tested came from six zones: Arriluze and Gernika in 2007 and 2008, and since then, Santurtzi, Plentzia, Ondarroa, Deba and Pasaia. Feminised gonads aren't the mullet's only problem -- the acquisition of feminine features has also been detected in various molecular markers.
According to the director of the research group, Miren P. Cajaraville, the results show that "endocrine disruption is a phenomenon that has spread all over our estuaries, which means that, as has been detected in other countries, we have a problem with pollutants".
The source of these pollutants can be found in products many of us use every day, including contraceptive pills, perfumes, detergents and pesticides. The chemicals inside these products react with the fish, causing endocrine disruption, which can throw some fish hormones into disarray. There is very little known about the full effect of these pollutants as they have only recently appeared in the ecosystem.
According to Cajaraville, "our discoveries are significant, because they enable us to know how far these pollutants have spread in our estuaries and rivers and what effects they have; that way, we will be able to adopt methods to prevent them reaching our waters, like legal regulations governing their use."
The pollutants, it is thought, have started to appear in these estuaries as a result of industrial farming and through cleaning systems in wastewater treatment plants. "Our main hypothesis," says Cajaraville of the Urdaibai Biosphere Reserve, "is that they come from the water treatment plant. It was the first place we studied, and continues to be, by far, responsible for the highest percentage of recently appearing pollutants."
 The results of the research have been published in two papers, one in the journal of Science of the Total Environment and the other in the journal of Marine Environmental Research.
Source:  http://www.wired.co.uk

Friday 28 March 2014

Giant Cambrian shrimp fossils discovered in Northern Greenland

Both Tamisocaris and its cousin had compound eyes that would later be a defining characteristic of many insects, and also a circular mouth.

 Giant Cambrian shrimp fossils discovered in Northern Greenland

Science Recorder | James Sullivan | Thursday, March 27, 2014

On Wednesday, paleontologists announced the discovery of a strange sea creature that swam the oceans over 520 million years ago, during the Cambrian explosion, when a stunning array of diversity first appeared on the Earth. The newly discovered creature, a small filter feeding arthropod called Tamisocaris, reached 28 inches long. It is a distant cousin of the famous Anomalocaris, which may have been one of the world’s oldest apex predators, and whose modern day descendants include centipedes.  Although both the Tamisocaris and Anomalocaris are both members of the classification group that includes crustaceans, insects, and arachnids, nothing quite like the Tamisocaris, which was first found in a Greenland shale bed back in 2009, is alive today.
According to the leader of the study, paleontologist Jakob Vinther from Britain’s University of Bristol, the Tamisocaris was one of the largest creatures alive in the Cambrian, making it what Vinther referred to as a “gentle giant.” Although it’s not the same as a whale or a basking shark, it filled a similar ecological role at the time – using comb-like bristles on its appendages to trap bits of plankton and zooplankton – small plants and animals that it would eat, sucking the pieces into its mouth, rather than hunting and stalking prey.
The Anomalocaris possessed a similar pair of spiny, grasping appendages by its mouth, but with the purpose of catching prey, such as trilobites and small jawless fish. Both Tamisocaris and its cousin had compound eyes that would later be a defining characteristic of many insects, and also a circular mouth.  Although legless, it had a number of flaps down its back that made swimming movements possible.
What is significant is that the adaptation of filter feeding may suggest insights into how the similar development happened in whales, which are also plankton feeders, as well as crustaceans, some of which grow fairly large but feed primarily with spiny appendages like Tamilocaris. Both animals lived alongside primitive shellfish, jellyfish, and starfish, as well as jawless fish and a diverse array of trilobites, but the existence of Tamilocaris suggests a greater deal of diversity may have existed among arthropods than was previously thought and that the Cambrian age was home to a number of species that have yet to be discovered.

Dead on arrival: Fishermen auction 5-metre-long whale shark

Published in The Express Tribune,

Residents gather around a whale shark after it was brought to Karachi’s fish harbour after it was enmeshed by a shrimp trawler in Balochistan. PHOTO: REUTERS

KARACHI: A five-metre-long whale shark, which was enmeshed by a shrimp trawler in Balochistan, was brought dead to Karachi on Wednesday, where its pieces were auctioned.
The female whale shark was tangled at Phor near Sonmiani. “Soon after its arrival, the fishermen cut it into pieces and auctioned it,” said World Wildlife Fund (WWF)-Pakistan director Rab Nawaz.
“This is an endangered species under the Convention of International Trade and Endangered Species,” he said. “But some cruel people killed it and sold its pieces at throwaway prices. There is no law in Pakistan to protect the shark and take action against the people who violate it.”

WWF-Pakistan has been advocating for the inclusion of this species in Schedule-I of the Wildlife Act of Sindh and Balochistan so that it’s enmeshing, trade and utilisation in any form can be banned. “India has already made the law but we are still waiting.”
The whale shark is found in tropical and subtropical waters of the ocean. It is commonly found in Pakistan. In fact, the first account of their organised fishing is from Pakistan. Luckily this fishery in Pakistan was stopped in the early 1970’s.
Muhammad Moazzam Khan, the former director-general of the fisheries department, stressed on the need to protect whale sharks because the Northern Arabian Sea, bordering the coast of Pakistan, is one of the world’s most important feeding, basking and breeding grounds for them. There are only a few places in the world, including Pakistan and India, where documented records of their breeding are available.
“The whale shark is not consumed in Pakistan but its meat is used for fish meal, the liver is used to extract oil for smearing the hull of fishing vessels and the fins are exported illegally to Hong Kong and China for shark fin soup,” he explained. The fishermen who sold its pieces on Wednesday hardly fetched more than Rs20,000. “This practice should be discouraged by the government.”
Umair Shahid, who has been working in marine fishing for a long time, suggested there should be collaboration between the academia, conservation organisations and fishermen to work towards the conservation of threatened animals. “There is no comprehensive research on biology and other aspects of marine animals,” he said. “All stakeholders should take the necessary steps to protect endangered animals whose population is seriously declining in Pakistan.” He suggested transforming fishing gears to improve fisheries’ management and complying with internationally binding agreements, which Pakistan is a signatory to.
“During the last eight months, four such entrapped whale sharks have been released by the fishermen following an awareness campaign started by WWF-Pakistan,” recalled Khan. “We demand the government to make strict laws and take action against those who kill such endangered species.”
Source: http://tribune.com.pk

Wednesday 26 March 2014

Profile and Products of Khan Traders Fish Meal


 By Naeem Khan

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Our Products:
Sample No. 1 Best Quality Fish Meal
Sample No. 2. Best Quality Fish Meal


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Monday 24 March 2014

Gulf of Mexico fisheries are among the “dirtiest fisheries” in new report

The Gulf feels the impact of fishing policies.

Gulf of Mexico fisheries are among the “dirtiest fisheries” in new report

Fishing frequently exacts some collateral damage—other marine wildlife besides the targeted fish species get ensnared in the fishnets and traps. This “bycatch,” as conservationists call it, is a bigger problem at some fisheries than others. Oceana, a marine-conservation nonprofit, has quantified the bycatch incidence fishery by fishery across the United States and identified the worst offenders in a new report, “Wasted Catch.”
The Gulf of Mexico is home to several of the “dirtiest fisheries,” the report’s unflattering name for fisheries where bycatch rates are highest. The number-one spot went to the Southeast Shrimp Trawl Fishery, which discards 229 million pounds of bycatch from its boats every year. The Southeast Snapper-Grouper Longline Fishery took second place with 6.4 million pounds of bycatch discarded annually. Another fishery that runs through the Gulf of Mexico and into the Atlantic and targets tuna, swordfish, and shark, is in eighth place.
Plenty of fisheries beyond the Gulf stand out for heavy bycatch, as well. The Northeast Bottom Trawl Fishery, with 50 million pounds of bycatch; the Gulf of Alaska Flatfish Trawl Fishery, with 34.5 million; and the Mid-Atlantic Bottom Trawl Fishery, with 9.4 million; also made the top-nine list.
The report relied on data from the National Bycatch Report, which the National Marine Fisheries Service published in September 2011 and then re-published with updated information in December 2013. Oceana analyzed the data from both editions.
Bycatch that is thrown back into the water is usually maimed or dead, and as such, fishing can put many more species in jeopardy than the ones that the fisheries are actively trying to catch. Sea turtles are frequent bycatch victims at the Gulf shrimp trawl fishery, for instance. Oceana’s report identifies that fishery as the cause of about 50,000 sea turtle deaths every year.
High bycatch also upsets food chains, as the wildlife that are killed include predators that keep other sea-faring populations in check. The Southeast Snapper-Grouper Longline Fishery’s discards, which amounted to 30% of all the fish that it had captured, included large numbers of bluefin tuna, swordfish, and sharks.
It is possible to reduce bycatch by using modified fishing equipment, or by restricting fishing activity during certain times of the year. Turtle-excluder devices, for example, can reduce turtle deaths when fitted onto shrimp trawls.
In February, Oceana and several allied environmental groups wrote to the National Marine Fisheries Service announcing that they intended to sue to require the Gulf of Mexico’s fisheries to install turtle-excluder devices onto their shrimp trawls. Meanwhile, the federal agency has proposed new regulations that would prohibit long-line fishing in certain areas of the Gulf in April and May, the months when bluefin tuna come to the Gulf to spawn.

Thursday 20 March 2014

U.S. Commercial Fisheries Are Killing Lots Of Dolphins


032014dolphins.jpg 
(Willyam Bradberry/Shutterstock)

International ocean conservation organization Oceana, a vocal watchdog of our planet's aquatic life, has released its latest study on wasted catch in U.S. fisheries. The results aren't pretty. Wasted catch, or bycatch as it's also known, refers to non-target fish and wildlife inadvertently swept up mostly by open ocean trawl, longline and gillnet-type fisheries. The organization estimates that approximately 20% of the U.S. catch is thrown away each year.
"Hundreds of thousands of dolphins, whales, sharks, sea birds, sea turtles and fish needlessly die each year as a result of indiscriminate fishing gear," explains report author and Oceana marine scientist Amanda Keledjian. "It’s no wonder that bycatch is such a significant problem, with trawls as wide as football fields, longlines extending up to 50 miles with thousands of baited hooks and gillnets up to two miles long." Of the many fisheries operating, Oceana called out the top nine "dirty" fisheries, who all together threw away nearly 50% of their catch and were responsible for "more than 50 percent of all reported bycatch in the U.S."

 032014fishmap.jpgClick for larger version

Of those nine, three currently operate in New York waters, including two bottom trawl fisheries and one gillnet fishery. Northeast Bottom Trawl discards 35% of its catch, estimated at approximately 50 million pounds of fish annually. The Mid-Atlantic Bottom Trawl discards 33%, with an alleged 200 marine mammals and 350 sea turtles captured or killed annually. Finally, the New England & Mid-Atlantic Gillnet Fishery discards just 16% of its catch but was responsible for capturing 1,200 endangered sturgeon and more than 2,000 dolphins, porpoises and seals in one year.
“Anything can be bycatch,” says Oceana campaign director Dominique Cano-Stocco. “Whether it’s the thousands of sea turtles that are caught to bring you shrimp or the millions of pounds of cod and halibut that are thrown overboard after fishermen have reached their quota, bycatch is a waste of our ocean’s resources." The bycatch problem can be remedied if steps are taken to ban drift gillnets and other trawling methods or avoiding what the organization calls "bycatch hotspots."
Oceana is calling upon the federal government to institute counting methods, mandate cleaner fishing methods and cap wasted catch "using scientifically based limits."
Source:  http://gothamist.com

Wednesday 19 March 2014

EP committee approves three fishing protocols in the Indian Ocean

EUROPEAN UNION

 
Spanish tuna vessels. (Photo Credit: La Moncloa Gobierno de España)

The Fisheries Committee of the European Parliament (EP) Tuesday approved three new fisheries protocol with Seychelles, Comoros and Madagascar, which will benefit the Community tuna fleet, mainly from Spain, Portugal and France.
The fisheries protocol with Seychelles, for which the EU will pay a financial contribution of EUR 30.7 million, covers a period of six years. It will benefit 40 purse seiners -- 22 of Spanish origin, 16 French ones and 2 Italian vessels --, and 6 long liners, which may operate in the EEZ of the archipelago.
Fishing opportunities for longliners shall be divided equally among the Spanish, French and Portuguese fleets.
This protocol has been provisionally implemented since 18 January, 2014.
Regarding the agreement with Madagascar, the protocol is valid for two years (2013-2014) and provides fishing opportunities for 96 vessels (40 tuna seiners and 56 surface longliners).
The total financial contribution from the EU amounts to EUR 3 million, of which EUR 550,000 will be used to boost the fishing industry in Madagascar (EUR 328,000 more than the amount provided in 2007-2012 protocol). Fishing opportunities will primarily benefit fleets from Spain, Portugal and France.
Finally, with regard to the Comoros protocol, its implementation covers a period of three years since 1 January, 2014, and the total EU financial contribution amounts to EUR 1.8 million. It provides fishing opportunities to 62 vessels (42 tuna seiners and 20 surface longliners), mostly of Spanish, Portuguese and French origin.
The three protocols must be approved by the full European Parliament, which has been scheduled to take place in its April session.

Source: http://www.fis.com/


Sunday 16 March 2014

Fishmeal in Poultry Diets: Understanding the production of this valuable feed ingredient 1

Richard D. Miles and Jacqueline P. Jacob2
High quality fishmeal is recognized by animal nutritionists as an excellent source of protein, energy, minerals and vitamins. Worldwide, millions of tons of fishmeal are produced annually. The majority of the fishmeal produced is included in commercial diets for poultry, swine, dairy cattle, mink and fish.
Good quality fishmeal demands a higher price than other high protein feedstuffs. Its proper use, however, requires a knowledge of not only its nutrient profile but of how it was produced. An understanding of fishmeal production will give users a better understanding of how the various factors interact to influence the quality of fishmeal.

What Types of Fish are Used?

Fishmeal can be made from almost any type of fish but is generally manufactured from two main types. These two types of fish differ both in their ability to store oil as well as where in the body oil is stored.
The first type includes a group referred to as "lean fish." This includes such species as cod and haddock. In these species the oil is stored primarily in the liver. The flesh (fillets) contain very little oil. Fishmeal from this type of fish has a low oil content (2 to 6%) since the livers are removed beforeprocessing. Of course, if the livers are added back, or the whole fish is used, the oil content would be higher. The whole fish is not usually used since cod and haddock are prized for the fillets. Since the fillets are used for human consumption, the fishmeal from these lean fish are made principally from the offal (white fish frames) remaining after filleting. "White" fishmeal commonly contains a higher concentration of ash (minerals) since the bony frames (head and racks) of previously filleted cod, haddocks, etc. are used. White fishmeal constitutes only 10% of the world fishmeal production.
The second type of fish used to manufacture fishmeal stores oil in certain parts of the flesh. They are high oil fish and, unlike the lean fish, are not prized for their fillets. They are commonly referred to as "industrial fish." Such species as herring, menhaden, anchovy, pilchard, sardines and mackerel fall into this category. Approximately 90% of the world fishmeal production is from these high oil species.
Most species of fish used for the production of fishmeal have a similar protein content that averages approximately 16% in the whole fish. This whole body protein content will vary by only plus or minus 2 to 3%. The fishmeal derived from these fish will, therefore, all be fairly similar in protein content. Theoil (fat) content in fish species is much more variable than their protein content. The amount of oil in fishmeal is directly dependent on the efficiency of the oil removal at the time of processing.

Where are the Fish Processed?

Fish can be processed at sea in factory ships or caught and stored until they are transported to a coastal processing factory. Fish is a highly perishable raw material and spoilage will occur if not processed in a timely manner. Preservation using chemicals, ice or refrigerated sea water is common.

How are the Fish Processed?

Fishmeal is made by cooking, pressing, drying and grinding the fish. When no oil needs to be removed, such as with lean fish, the pressing stage is often omitted. During cooking, the fish move through a long, steam-jacketed, screw conveyor cylinder. Cooking coagulates the proteins and is a critical process responsible for sterilizing the product and preparing it for liquor (a mixture of oil, water and protein) removal. Once cooked, the liquor is removed by pressing. The solid residue that remains after pressing is called "presscake." The liquor is centrifuged to remove the oil. This oil is often further refined before being transported to storage tanks. Prior to storage, it is essential to add an antioxidant. The antioxidant will stabilize the oil so that oxygen will not cause damage during storage. The stored oil must not come into contact with air, heat or light in order for its quality to be maintained until it can be incorporated into feeds for poultry, pets, fish or other uses.
The liquid removed from presscake is referred to in the processing industry as "stickwater." This liquid may contain as much as 20% soluble protein and is valuable. The stickwater is evaporated to a thick syrup containing 30 to 50% solids. This material can be sold as "condensed fish solubles" or it can be added back to the presscake and dried with it. Therefore, one can purchase presscake meal or a whole meal (where all of the solubles have been added back).
The meals are then dried so that the moisture content is low enough to allow the meal to be stored and transported without mold or bacterial growth. If overdrying occurs, the meal can be scorched and the nutritional value of the meal will be adversely affected. Drying can be either direct or indirect. Direct drying is the most rapid and requires very hot air to be passed over the meal as it is rapidly tumbled in a cylindrical drum. If this process is not carefully controlled the fishmeal may be scorched. Indirect drying requires a steam-jacketed cylinder or a cylinder containing steam-heated discs which tumble the meal.
Once the fishmeal is dried it has to be ground, screened to the correct particle size, packed in bags or stored in silos for bulk delivery to companies throughout the world.

What Type of Fishmeal is Commonly Produced in the U.S.A.?

In the U.S.A., the majority of the fishing industry is in the Gulf of Mexico and the Atlantic Ocean. The main industrial fish harvested is menhaden. In fact, 98% of the fish oil produced in the U.S.A. is from menhaden, a high oil species. The oil is considered by fish processors to be a by-product of fishmeal production. This is just the opposite viewpoint taken by soybean processors. These processors consider the soybean meal to be a by-product of oil production. No matter which viewpoint is taken, however, both "by-products" have an important place in animal diets.
Smaller quantities of fishmeal produced in the U.S.A. are made from herring, redfish, and white fish. This fishmeal is low in oil, and comparatively higher in ash than the fishmeal from menhaden because of the relatively large amount of bone it contains compared to the amount of muscle.

How Can You Identify Good Quality Fishmeal?

Good quality fishmeal is a brown powder which will average between 60% and 70% protein. The oil content in the meal will range from 2% to greater than 14%. The moisture level will commonly range from 6 to 12%. The ash content will range from 18% (more common for an industrial fishmeal) to 25% (more common for a white fish meal).
The odor of fishmeal, as would be expected, is that of fish. It is easily distinguished from other ingredients. If an acrid "scorched" smell is present this usually indicates overheating or scorching. If this occurs, a blackish dark-brown color is common and the quality of protein is usually affected in a negative manner.

Footnotes

1.
This document is PS12, one of a series of the Animal Sciences Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Original publication date February 1997. Reviewed March 2011. Visit the EDIS website at http://edis.ifas.ufl.edu.
2.
Richard D. Miles, professor, Dairy and Poultry Sciences, and Jacqueline P. Jacob, poultry extension coordinator, Dairy and Poultry Sciences, Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, 32611.

The Institute of Food and Agricultural Sciences (IFAS) is an Equal Opportunity Institution authorized to provide research, educational information and other services only to individuals and institutions that function with non-discrimination with respect to race, creed, color, religion, age, disability, sex, sexual orientation, marital status, national origin, political opinions or affiliations. For more information on obtaining other UF/IFAS Extension publications, contact your county's UF/IFAS Extension office.

U.S. Department of Agriculture, UF/IFAS Extension Service, University of Florida, IFAS, Florida A & M University Cooperative Extension Program, and Boards of County Commissioners Cooperating. Nick T. Place, dean for UF/IFAS Extension.

Source:  http://edis.ifas.ufl.edu/ps007

Fresh Raw Fish Species For Producing Pure Fish Meal

By Naeem Khan

We are a company that manufactures pure fish meal for poultry feeds from the fresh raw fish species caught from Arabian Sea. This raw material is brought to shore by a contact fleet of dedicated fishing vessels and trawlers. We make sure to keep the freshness of raw fish when the vessels and boats landing. Our fish meal is produced in a very careful environment while keeping the HACCP in full check.

Fresh Raw Fish Species
Product Description
Khan Trader’s fish meal is baked by research, state of art production process and high standers of quality. To ensure supreme quality product, we all the time obtained laboratory reports before, after and during the processing. With strong emphasis on developments and quality control, our highly qualified and trained staff deliver challenging task of quality production by marketing our products aimed at providing best quality and entire satisfaction of its valuable clients.
Product Specifications
During the preparation of Fish Meal, we ensure best product specification, texture, physical appearance and chemical analysis to high standard value, to produce a best fish meal for poultry feed as an ingredient, result in to enhance the poultry feed quality. Complete detail will be provided on request.

Source: http://www.linkedin.com/profile/view?id=320524858&trk=nav_responsive_tab_profile


Khan Traders Karachi

By Naeem Khan

We are involved in preparing fish meal stages with taking in consideration the principals and high standers to ensure best product specification ,Texture, physical appearance and laboratory analysis to international levels, to produce the pure fish meal for poultry feed as an ingredient, result in to enhance the poultry feed quality.
 Our Products:

  
We feel pride to introduce ourselves as one of the top most leading manufacturers, processors and suppliers of pure fish meal in Ibrahim Haidri, the hub of fresh fish and sea food in Karachi.

Khan Traders is an ambitious trading company with an extensive back ground in preparation of fish meal and fresh fish / sea foods marketing. Aspiring to be a one of the most trusted name among fish meal manufacturers, Khan Trader’s fish meal is baked by research, state of the art production process and high standers of quality. We supply our best quality fish meal not only in Sindh Province but to big manufacturers of poultry feed of Punjab Province.

Khan Traders is founded on belief that there is a need for a good trader / supplier which delivers prime quality Fish Meal to purchaser at competitive price. The Khan Traders believes on "Best Quality at Right Price".

During the preparation of Fish Meal, we ensure best product specification, texture, physical appearance and chemical analysis to high standard value, to produce a best fish meal for poultry feed as an ingredient, result in to enhance the poultry feed quality. We offer you our services for purchasing the best quality fish meal. Please give a chance to serve you.

Please don't hesitate to ask any question from us, if any.


Source:  https://www.facebook.com/pages/Khan-Traders-Karachi/390224764454558

Extinct porpoise had 33-inch long lower jaw for a purpose

By Alex Saltarin, Tech Times
 Semirostrum ceruttiiScientists have found the fossils of an extinct species of porpoise with a very long chin. This species of porpoise may have used its long lower jaw to probe the sea floor for food.
(Photo : Pat Lynch/ Yale University)


Move over Jay Leno. Scientists have discovered the fossilized remains of a porpoise with a very long chin.
The new species of porpoise, referred to as Semirostrum cerutti, has the longest chin length ever found in a mammal. Researchers believe that the extinct porpoise used its long lower jaw to look for food in the ocean floor. The scientists who discovered the porpoise published their findings in the online journal Current Biology last March 13.
 "This is unique anatomy for a mammal," said Yale University doctoral candidate Rachel Racicot. "And it tells us that porpoises once searched for food in a very different way than they do now." Racicoot is also the lead author of the study.
 Semirostrum is a species that is related to crown porpoises. Unlike its living relatives however, the new species of porpoise has a distinct extension of the lower jaw referred to as a symphysis. After measuring the fossilized remains of the animal, the researchers found that Semirostrum's symphysis was around 85 centimeters in length. In comparison, the symphysis of a modern crown porpoise measures a mere one to two centimeters in length. This ancient marine mammal is also closely related to narwhals, beluga whales and dolphins.
Due to the length of its lower jaw, the porpoise was highly adapted to searching for food in the sea bed. This type of behavior is referred to as benthic feeding. The researchers who wrote the study were able to examine a total of around 15 fossils found in different locations across the state of California. Scientists estimate that Semirostrum swam in the oceans around 1.5 to 5.3 million years ago.
"The unique mandibular and dental characteristics, along with robust scapulae, sternum, and unfused cervical vertebrae, support the interpretation that this species employed a form of benthic skim feeding by using its mandible to probe for and obtain prey," said Racicot and her colleagues.
Scientists took detailed CT scans of the best preserved fossil to study the physiology of this unique animal. Upon further analysis, Racicot and her colleagues found that the ancient porpoise had an extensive network of nerves from the symphysis to the skull. This shows that Semirostrum's long chin was very sensitive. This ability would have been essential to find food along the ocean floor.
The best preserved specimen of the ancient purposes was moved to the San Diego Museum of Natural History for safekeeping after the study was completed.

Source:  http://www.techtimes.com/

Saturday 15 March 2014

Scientists Develop a Squishy Robot Fish That Replicates Real One Even In Basic Engineering




fishScientists have developed a new aquatic robot that completely replicates realistic movements of fish producing an illusion of a real animal. The robot is also identical in basic engineering. (Photo : buymelunch/Flickr)

 Scientists have developed a new aquatic robot that completely replicates realistic movements of fish producing an illusion of a real animal. The robot is also identical in basic engineering.
The design of the robot is based on a new generation of machines called soft robots. These designs use fluid flowing through flexible channels that ultimately drives the device.
Previously, the robots with mechanized devices had the hinged bodies which were less preferred when it came to adding flexibility and agility in the designs.The bodies of these soft robots can bend anywhere along their length making it the ultimate choice for such projects.

 The robot, built by MIT researchers, is the first autonomous soft robot that is able to execute rapid body movements. At instances, it can allow the machine to escape from traps or nets the same way a real fish would.
"As robots penetrate the physical world and start interacting with people more and more, it's much easier to make robots safe if their bodies are so wonderfully soft that there's no danger if they whack you," said Daniela Rus, who assisted the project, in a press release.
"To be honest, that's not something I designed for. I designed for it to look like a fish, but we got the same inherent parameter decoupling that real fish have," added Andrew Marchese, a graduate student at the Massachusetts Institute of Technology (MIT) who build the robot.
The robot will be profiled in the premiere issue of the new science journal, Soft Robotics.

Source:  http://www.counselheal.com/

Friday 14 March 2014

Chinese to build $1.2b economic corridor at Gwadar port

Gawader Port

Federal Minister for Ports and Shipping Kamran Michael has said that the Chinese investors will invest at least $ 1.20 billion to establish an economic corridor for the development of Gwadar Port.
Senator Michael said this during a meeting that he chaired at his ministerial secretariat in the federal capital, according to a statement issued by the ministry on Friday.
To this effect, the federal minister said, different agreements had already been signed with the Chinese investors who would be investing the said amount over next two to three years.
“The money would be spent on the development of Gwadar Port,” he added.
Reflecting on the serious attitude of present government towards Gwadar Port’s development, Michael said his government was serious in their motives to see the deep-sea port and its surrounding area develop.
Unveiling more details, the federal minister said the approval of prime minister had already been secured under which the Gwadar Airport and road infrastructure would be upgraded and would be brought at par with latest international facilities.
Similarly, the development of hospital, school and vocational training institutes would be made at Gwadar, he added.
More berths at Gwadar Port would also be established at which the internationally acclaimed companies would bring in investments, he said.