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Cattle Boards
Breeding / Calving Issues
Best Sync to Tighten Up a Calving Window ???
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<blockquote data-quote="Double R Ranch" data-source="post: 948374" data-attributes="member: 411"><p>We always give a shot of GNRH at breeding. The rule in school was if the cow was still standing 2 hours after breeding re-breed. Not had to do that.</p><p>30 Days is the earliest I will try and start any sync etc.</p><p>Normally we give a shot of lute prior to expected breeding time. Our usual procedure anymore is to give a shot of lute when we give our pre-breeding vaccinations. At which time they will cycle once before we plan on breeding. The second heat we breed on. We have great luck with natural heats being more fertile. If there are stragglers we will throw a cidr, GNRH and wait 7 days. Day 7 pull the cirdr's, give lute and heat detect up to 80 hours. 72 Hours we breed heifers if not showing heat, 80 for cows. If the heat detection is good we have great success. Using these procedures we have a very tight calving window. </p><p>Hope this helps,</p><p>Double R</p></blockquote><p></p>
[QUOTE="Double R Ranch, post: 948374, member: 411"] We always give a shot of GNRH at breeding. The rule in school was if the cow was still standing 2 hours after breeding re-breed. Not had to do that. 30 Days is the earliest I will try and start any sync etc. Normally we give a shot of lute prior to expected breeding time. Our usual procedure anymore is to give a shot of lute when we give our pre-breeding vaccinations. At which time they will cycle once before we plan on breeding. The second heat we breed on. We have great luck with natural heats being more fertile. If there are stragglers we will throw a cidr, GNRH and wait 7 days. Day 7 pull the cirdr's, give lute and heat detect up to 80 hours. 72 Hours we breed heifers if not showing heat, 80 for cows. If the heat detection is good we have great success. Using these procedures we have a very tight calving window. Hope this helps, Double R [/QUOTE]
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Best Sync to Tighten Up a Calving Window ???
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