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7 Respiratory Diseases In Chickens And What To Do When Your Chickens Get Them
This could help to make the loss a bit more palatable. Fowl cholera is caused by various strains of a bacteria called ...
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19th century advances in medical knowledge
In 1879, he discovered a vaccine for chicken cholera. He found that when the germ was exposed to air it weakened, and that injecting this weakened germ into chickens prevented them from catching ...
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7 Common Diseases Of Backyard Chickens And What To Do When Your Chickens Get Them
This could help to make the loss a bit more palatable. Fowl cholera is caused by various strains of a bacteria called Pasteurella multocida. The different strains result in two forms of cholera ...