Scoggin , C.F., C.A. Burden, M.R. Schnobrich, and E.A. Bradecamp. 2017. “A Single Post-Mating Uterine Infusion Of Penicillin Does Not Improve Pregnancy Rates In Maiden Thoroughbred Broodmares”. Clinical Theriogenology 9 (1):53-58. https://clinicaltheriogenology.net/index.php/CT/article/view/10082.