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Breeding / Calving Issues
2 bulls or 1?
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<blockquote data-quote="bandit80" data-source="post: 783823" data-attributes="member: 7956"><p>Need some opinions. </p><p></p><p>I currently have a fall and spring calving herd, both with 40 cows. I currently have 2 bulls to service these cows. The older bull will be 5 in the spring, and the other will be 2 later this fall. The 5 year old is a very average bull, the 2 year old is a much better bull in my opinion, and he is also homo black and polled. I synchronize and AI approximately 2/3 of the cows in each herd, and then use the bulls to clean-up. </p><p></p><p>I am thinking that I only need one bull. If I AI say 24 cows out of the fall herd and achieve my usual conception rate of 75%, that is 18 cows settled to AI. That leaves only 22 cows for a bull to actually breed, or do you use the math that he is with 40 cows and therefore has to cover 40. I would love the idea of only having 1 bull to cover my 80 cow herd, and continue to utilize AI to get new genetics into the herd. I could also justify spending more money and buying a really good bull if I only need one. </p><p></p><p>My pastures are not overly big. Fall calving cows have a 25 acre piece they are on during breeding season, and the spring calvers pasture is about 120 acres.</p><p></p><p>Appreciate any comments.</p></blockquote><p></p>
[QUOTE="bandit80, post: 783823, member: 7956"] Need some opinions. I currently have a fall and spring calving herd, both with 40 cows. I currently have 2 bulls to service these cows. The older bull will be 5 in the spring, and the other will be 2 later this fall. The 5 year old is a very average bull, the 2 year old is a much better bull in my opinion, and he is also homo black and polled. I synchronize and AI approximately 2/3 of the cows in each herd, and then use the bulls to clean-up. I am thinking that I only need one bull. If I AI say 24 cows out of the fall herd and achieve my usual conception rate of 75%, that is 18 cows settled to AI. That leaves only 22 cows for a bull to actually breed, or do you use the math that he is with 40 cows and therefore has to cover 40. I would love the idea of only having 1 bull to cover my 80 cow herd, and continue to utilize AI to get new genetics into the herd. I could also justify spending more money and buying a really good bull if I only need one. My pastures are not overly big. Fall calving cows have a 25 acre piece they are on during breeding season, and the spring calvers pasture is about 120 acres. Appreciate any comments. [/QUOTE]
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