Effects of melatonin on superovulation and transgenic embryo transplantation in small-tailed han sheep (Ovis aries).
OBJECTIVE: In this study, the effects of melatonin on superovulation and the transfer of transgenic embryos were investigated in Small-Tailed Han sheep.
DESIGN: Different doses of melatonin (0, 40 or 80 mg/animal) were subcutaneously implanted into both multiparous (4-5 years old) donors and recipients before sup.....