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Cattle Boards
Breeding / Calving Issues
Heifer percentage
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<blockquote data-quote="Chocolate Cow" data-source="post: 1441107" data-attributes="member: 25265"><p>2016, I kept all my heifers (42) and turned 2 bulls in for 30 days. I ultra-sounded 35 days after removing bulls and had 100% bred. As winter moved on into Spring calving time, I wasn't so proud of the group. I had 4 abort at some point in time. University of Nebraska research says preg-checking heifers before 75 days can cause up to a 3.5% pregnancy loss due to the stress of handling. This year,I switched from Vista 5VL to Bovi-Shield Gold. Bovi-Shield is more expensive but has a much longer protection duration than Vista. This year, I kept back 23 heifers. One bull for 60 days. I will delay ultra-sounding until past the 75 day mark.</p></blockquote><p></p>
[QUOTE="Chocolate Cow, post: 1441107, member: 25265"] 2016, I kept all my heifers (42) and turned 2 bulls in for 30 days. I ultra-sounded 35 days after removing bulls and had 100% bred. As winter moved on into Spring calving time, I wasn't so proud of the group. I had 4 abort at some point in time. University of Nebraska research says preg-checking heifers before 75 days can cause up to a 3.5% pregnancy loss due to the stress of handling. This year,I switched from Vista 5VL to Bovi-Shield Gold. Bovi-Shield is more expensive but has a much longer protection duration than Vista. This year, I kept back 23 heifers. One bull for 60 days. I will delay ultra-sounding until past the 75 day mark. [/QUOTE]
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