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Breeding / Calving Issues
Dead calf
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<blockquote data-quote="Jeanne - Simme Valley" data-source="post: 1583116" data-attributes="member: 968"><p>Dairymen will breed their heifers to Angus for "calving ease" and/or will breed their lower production/quality cows to a beef bull and their top quality cows to top quality Holstein.</p><p>A herd next door or a county away can be absolutely healthy. Your herd can be healthy. But, every herd has "bugs' that the cows are immune to, and they pass that immunity to their offspring through colostrum. Then the calf grows up with immunities to the same bugs as the herd. Every herd is different. So, you take 1 animal from one herd & put it in with another herd, and you have introduced bugs that your calves are NOT immune to. Not saying that has anything to do with this particular calf. Just trying to explain why people say letting a bull breed your cows and another herd can be a problem.</p><p>Also, cows can get exposed to diseases that affect the fetus. Lepto is a very common abortion disease. Dogs, deer, cattle, most wildlife carries it and if a cow is exposed while pregnant, she can abort or deliver a DOA calf. You need to vaccinate twice a year to protect cattle.</p></blockquote><p></p>
[QUOTE="Jeanne - Simme Valley, post: 1583116, member: 968"] Dairymen will breed their heifers to Angus for "calving ease" and/or will breed their lower production/quality cows to a beef bull and their top quality cows to top quality Holstein. A herd next door or a county away can be absolutely healthy. Your herd can be healthy. But, every herd has "bugs' that the cows are immune to, and they pass that immunity to their offspring through colostrum. Then the calf grows up with immunities to the same bugs as the herd. Every herd is different. So, you take 1 animal from one herd & put it in with another herd, and you have introduced bugs that your calves are NOT immune to. Not saying that has anything to do with this particular calf. Just trying to explain why people say letting a bull breed your cows and another herd can be a problem. Also, cows can get exposed to diseases that affect the fetus. Lepto is a very common abortion disease. Dogs, deer, cattle, most wildlife carries it and if a cow is exposed while pregnant, she can abort or deliver a DOA calf. You need to vaccinate twice a year to protect cattle. [/QUOTE]
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