LobachovaI., and YakovchukV. “Merino Ewe Lambing After Stimulation With Prostaglandin and PMSG and Insemination With Sperm of Grey Karakul Rambs”. Agricultural Science and Practice 6, no. 3 (December 15, 2019): 28-36. Accessed March 29, 2020. https://agrisp.com/index.php/agrisp/article/view/184.