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Hormone Use In Livestock - College Essay

Hormone Use In Livestock

There have been many recent developments in the field of hormones. One of these has been the use of hormones in livestock. Many farmers are finding it beneficial to use hormones to help stimulate the growth of their animals as well as making the meet leaner. They also use hormone injections to induce superovulation in sheep.
Porcine Somatotropin (PST) is a protein, which is naturally produced in pigs by their pituitary gland. This is responsible for growth and muscled development. New technological advancements have made it possible to manufacture PST, which is identical to the naturally produced protein.
PST is popular among farmers because it can do within weeks what it would take ...

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nutrients taken in by the animal are used in fat production causing the animal to require more energy for the production of muscle. Manufactured PST will provide a boost in the natural levels of PST in a maturing pig. If there is more PST, there will be more efficient utilization of feed and fat production will be kept to a minimum.
PST is effective if it is taken in the expected dose of 5mg/pig/day. If the pig is given a substantially larger amount, 15mg/pig/day, there will be side effects. Researchers have shown that a pig on a high amount of PST will have gastric ulcers.
Porcine somatotropin must be injected or implanted into the animals. If PST is taken orally, it will be broken down in the stomach and intestines of the pig.
There are two highly controversial growth hormones, Diethylstilbestrol, or DES, and antibiotics. DES is now banned because in high doses it was found to be capable of causing cancer. Scientists who advocate the banning of antibiotics argue that ...

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PAPER DETAILS

Added: 12/23/2004 12:13:21 AM
Category: Science & Nature
Type: Premium Paper
Words: 449
Pages: 2

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