Sharks

Science CurieDavid jones Science ology1/10/10 Sharks Killed For petroleum Used In Swine Flu Vaccine, published in the December 29th edition in National Geographic, scripted by James Owen, discusses how scientists are extracting a substance called squalene from cheat livers that it is used in the recently released, swine flu vaccine. Squalene can too be found in cosmetics, because it helps make a sharpen called adjuvant that boosts the bodys immune response. Olive oil, wheat germ oil, and rice bran are also known to book the substance, but in much smaller amounts. But sharks tolerate the main source of squalene for the world. One of the major issues that is related to reap sharks for squalene, is that most commercial fisherman target deep-sea species, much(prenominal) as the gulper shark. These sharks are already at naughty risk for extinction due to their very low copy rates. One of the major swine flu vaccine producing companies, GSK, announced that it had orders for everywhere 440 million doses of the vaccine containing the compound adjuvant, which contains shark-liver squalene.

The 440 million doses are estimated to take aim at least 9700 lbs. of shark oil. Another issue with harvesting these sharks is that the majority of them are caught by trawling. Trawling is a fishing proficiency where a weighted net is dragged across the ocean floor, which tear up and destroys everything in its path. Cosmetic and drug companies are researching pertly ways to find squalene including non animal sources such as olive oil. Overall, it may seem like the use of shark-liver squalene is benefitting humans, but it is at the same time detrimental to the survival of deep-sea sharks. If you wish to get a full essay, order it on our website: Ordercustompaper.com

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