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 Date: 2013-04-30 11:47:22Domestic pig Biology Pigs Animal rights Industrial agriculture Pig farming Livestock Zoology Pig |
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| First Page | Document Content | |
|---|---|---|
Date: 2013-04-30 11:47:22Domestic pig Biology Pigs Animal rights Industrial agriculture Pig farming Livestock Zoology Pig |
Add to Reading List |
PSY vs. PSY* (profit per sow per year) Darwin Kohler D.V.M.; Chad Bierman, PhD. Babcock Genetics Inc., Rochester, MN Introduction PSY has long been a measure of the productivity of swine herds. It is an estimate of sow p