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Banding at birth
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<blockquote data-quote="djinwa" data-source="post: 776215" data-attributes="member: 8265"><p>Some general thoughts, from old memories, so correct me where needed.</p><p></p><p>When speaking of giving shots, one needs to be more specific. If speaking of a vaccine, they take weeks for any benefit. Vaccines are a killed/weakened bacteria/virus, or toxin from bacteria in the case of tetanus, which stimulate the calf to produce antibodies, which takes time. Once the immune system is primed for production, an animal is protected for years.</p><p></p><p>The other shot is the antibodies already made, so are immediately effective. Tetanus antitoxin is given for immediate protection, but the antibodies will only last a few weeks.</p><p></p><p>The other way to administer pre-made antibodies is through the colostrum. So if the cow had been vaccinated, it should protect the calf. Also, any antibodies passed from cow to calf would bind up a vaccine given to a new calf and make it useless. Many vaccines should wait weeks to be given after the antibodies in the calf (from cow) have declined.</p><p></p><p>Anyway, if tetanus is included in older calf or cow vaccines, and antibodies passed through colostrum, that may be a reason no problem in calves, although tetanus probably isn't much risk to begin with.</p></blockquote><p></p>
[QUOTE="djinwa, post: 776215, member: 8265"] Some general thoughts, from old memories, so correct me where needed. When speaking of giving shots, one needs to be more specific. If speaking of a vaccine, they take weeks for any benefit. Vaccines are a killed/weakened bacteria/virus, or toxin from bacteria in the case of tetanus, which stimulate the calf to produce antibodies, which takes time. Once the immune system is primed for production, an animal is protected for years. The other shot is the antibodies already made, so are immediately effective. Tetanus antitoxin is given for immediate protection, but the antibodies will only last a few weeks. The other way to administer pre-made antibodies is through the colostrum. So if the cow had been vaccinated, it should protect the calf. Also, any antibodies passed from cow to calf would bind up a vaccine given to a new calf and make it useless. Many vaccines should wait weeks to be given after the antibodies in the calf (from cow) have declined. Anyway, if tetanus is included in older calf or cow vaccines, and antibodies passed through colostrum, that may be a reason no problem in calves, although tetanus probably isn't much risk to begin with. [/QUOTE]
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