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Is Injecting Cows with a Growth Hormone Environmentally Friendly?

Last Updated: July 08, 2008 Related resource areas: Dairy

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Cornell University animal nutritionist is co-author of the study.

Released July 8, 2008

According to a study published in Proceedings of the National Academy of Sciences USA, if U.S. farmers injected their dairy cows with bovine growth hormone, it would take just 843,000 cows to produce the same amount of milk as one million untreated animals, saving tons of feed and acres of cropland.

Scientific American has the story in 'Can Bovine Hormone Help Slow Global Warming?'

http://www.sciam.com/article.cfm?id=can-bovine-growth-hormone-slow-global-warming

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