Effects of Supplement with Letrozole and N-methyl-D-aspartate on Plasma Reproductive Hormone Levels of Ewes on the Basis of Melatonin Supplementation
ZHAO Guodong, ZANG Changjiang, WANG Gen, XIE Jinglong, YANG Jiantao, TANG Xuemei, ZHANG Juanli, YANG Kailun
China Animal Husbandry & Veterinary Medicine . 2018, (12): 3455 -3462 .  DOI: 10.16431/j.cnki.1671-7236.2018.12.018