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What to do with open cows?
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<blockquote data-quote="ANAZAZI" data-source="post: 920145" data-attributes="member: 7541"><p>If the management is not right, for example the cow get way too little to eat, that is the one factor to consider. Now that has been solved by getting a new manager.</p><p>Normally a bull period of 60 days is enough. Say there are a hundred cows. Like the others point out 70% pregnant first service is normal, I would go as far as to say that close to 70%, say 67% of the remaining will settle on second service, that means 70 cows first service + 20 cows from second service. Now there will still be 10 cows left, and the remaining group contains a few bad apples. Let us guess 40% of those are bred in the remaining 18 days. 70 + 20 + 4 = 94% bred. </p><p>70% for the whole herd in 60 days is far from acceptable, and poor nutrition is a good explanation.</p></blockquote><p></p>
[QUOTE="ANAZAZI, post: 920145, member: 7541"] If the management is not right, for example the cow get way too little to eat, that is the one factor to consider. Now that has been solved by getting a new manager. Normally a bull period of 60 days is enough. Say there are a hundred cows. Like the others point out 70% pregnant first service is normal, I would go as far as to say that close to 70%, say 67% of the remaining will settle on second service, that means 70 cows first service + 20 cows from second service. Now there will still be 10 cows left, and the remaining group contains a few bad apples. Let us guess 40% of those are bred in the remaining 18 days. 70 + 20 + 4 = 94% bred. 70% for the whole herd in 60 days is far from acceptable, and poor nutrition is a good explanation. [/QUOTE]
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What to do with open cows?
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