Effects of seasonal changes on the ovulation rate and embryo quality in superovulated Black Suffolk ewes.
OBJECTIVE: The objective of this study was to investigate the effects of seasonal changes on the superovulation in Black Suffolk ewes, particularly the ovulation rate and embryo quality.
DESIGN: Black Suffolk ewes were superovulated either in May (n=22) or in September (n=21), 2013. After estrus synchronization w.....