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bp0003rdr30 | Environmental and Metabolic Interactions | REDR1994

Endocrine basis for puberty in heifers and ewes

Kinder JE , Bergfeld EGM , Wehrman ME , Peters KE , Kojima FN

Maturation processes that culminate in puberty and sexual maturity are initiated before birth, continue through prepuberty (> 50 days before puberty) and peripuberty (50 days before puberty) and are completed early after puberty. The hypothalamus is the primary site of change during transition to sexual maturity. Maturation of the hypothalamus results from decreased negative feedback of oestradiol that leads to increased frequency of release of LH pulses. Increased tonic r...