If you're planning on sending your mare out to stud, or to an AI centre, you'll obviously want to make sure that the place is run well. — Horse and Hound Forum post, 31 July 2007.
They don't want to have a lag time for the mare to raise her foal, so they put a lesser mare out to stud at the same time and use her for milk. — Dellani’s Choice (blog), 11 Dec. 2011.