I cull mares at weeks 4, 7, 10. If they aren't all up at those weeks, I cull them. I don't worry too much if they aren't up at all week 3 because I've had quite a few good mares jump up at week 6 despite no week 3. If they stay at 111 wk 3 and then are 222 wk 6, I'll also usually cull. |