In conclusion, the ovaries of JiNing Grey goats were
characterized by fast development and early maturation.
From birth to 30 days, rapid morphological growth of the
ovary occurred while the period after 60 days was characterized
by the improvement in ovarian function. ERs
and PRs spatially and temporally specific expression in the
ovary of JiNing Grey goats play an important role in ovarian
development and early maturation.