Summer Pneumonia In Calves

Summer Pneumonia In Calves

cattlenetwork.com

One of the most frustrating things that can happen to a cow/calf producer is to have a set of healthy growing calves start developing pneumonia during mid-summer while the calves are still nursing the cow. With some operations, this is an annual event, while with others it only happens sporadically. Summer time pneumonia generally happens when the passive immunity (antibodies) from the dam’s colostrum naturally diminishes, and the calf’s own immune system has not had any exposure to the viruses or bacteria that usually cause this pneumonia that would result in production of active immunity.

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