Mad cow has nothing to do with chicken manure. Cows that already had mad cow disease were rendered and the resulting product was used in cattle feed. This infected even more cattle. The most common country for mad cow disease is Great Britain.
I seem to remember that a voluntary moratorium on animal protein in cattle feed was declared by the American feed industry a decade before most people had heard of mad cow, which is why we have had so few cases.
Some people believe that scrapie in sheep is the origin of mad cow disease. Others believe it already existed in India, and that bones from infected cattle were collected and sold for bone meal, which was then sold to Great Britain and used in cattle feed. There is no proof yet where it started or how long it has been around.
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Today's Featured Article - A Belt Pulley? Really Doing Something? - by Chris Pratt. Belt Pulleys! Most of us conjure up a picture of a massive thresher with a wide belt lazily arching to a tractor 35 feet away throwing a cloud of dust, straw and grain, and while nostalgic, not too practical a method of using our tractors. While this may have been the bread and butter of the belt work in the past (since this is what made the money on many farms), the smaller tasks may have been and still can be its real claim to fame. The thresher would bring in the harvest (and income) once a y
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