AI timetableRSS feed

Posted: Tuesday 19 April, 2011

by Rosemary at 9:05pm in Cattle Comments closed

Regular readers will know that I like to plan things well in advance so won't be surprised that I was sorting out the AI timetable for the heifers today.

I want them to calve during next year's lambing - if I'm getting up to check sheep, I can check cows at the same time. So the AI date - Day 0 - will be Tuesday 28th June. That should give a calving date of Saturday 7th April, if they stick to the agreed timetable.

We're using AI and PRIDS / hormone injections, so Day -12, the vet will insert the PRID, Day -4, he'll inject prostraglandin and on Day -2, I will remove the PRIDs (deep joy). If they aren't seen to come on heat on Day 22/23, they will be pregnancy diagnosed on Day 35 after AI (Tuesday 2nd August).

I don't know if it's too early to book the vet and the technician - don't want them to be unavailable...

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