There are articles that talk about how a diet effects male vs female calving.
On the cows that stuck AI we had quite a few heifers at the beginning then more bull calves. We are in the first cycle post-AI now and still getting slightly more bulls than heifers.Does it seem like your herds are dropping one sex... and then have a sudden switch to the other? If you look back ten months or so, before breeding, was there any kind of noticeable change in forage and/or supplements/minerals?
Was there a difference in forage and/or supplements/minerals just before breeding occurred, a month or so before breeding?On the cows that stuck AI we had quite a few heifers at the beginning then more bull calves. We are in the first cycle post-AI now and still getting slightly more bulls than heifers.