Tough Row To Hoe...

Reuben, I was wondering if you have been useing Ivomec pour on wormer on your gyps. I believe from experience that pour on wormer will keep a gyp from taking a breeding. I don't know why but I've seen several gyps get bred 3 or 4 heats in a row and not take. When we quit using the pour on they all took and raised a litter. The only other things I can think of would be Brucellocis or ovarian cyst. Like cattle and horses, a gyp can get cyst on her ovaries and that will keep her from taking. A vet can treat the cyst.