Effects of seasonal changes on the ovulation rate and embryo quality in superovulated Black Suffolk ewes.

@article{Shi2015EffectsOS,
  title={Effects of seasonal changes on the ovulation rate and embryo quality in superovulated Black Suffolk ewes.},
  author={Jian-min Shi and Jin-Yun Yi and Xiu-zhi Tian and Feng Wang and Zheng-Xing Lian and Hong-bin Han and Jun-Cai Fu and Wen-Fa Lv and Guo-Shi Liu},
  journal={Neuro endocrinology letters},
  year={2015},
  volume={36 4},
  pages={
          330-6
        }
}
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 with CIDR, the donor ewes were superovulated with PMSG and seven decreasing doses of FSH (twice daily at 07:00 and 19:00 for four consecutive days. Then, they were subjected to… CONTINUE READING

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Advances in in vitro production of sheep embryos

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