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Effects of exogenous prolactin on ovarian growth and fattening in the redheaded bunting, Emberiza bruniceps.

Abstract：

:Subcutaneous daily injections of ovine prolactin (PRL) inhibit photoperiodic induction of gonads and fattening in the female redheaded bunting (Emberiza bruniceps). However, birds respond to the same photoperiod (15L:9D) after withdrawal of the exogenous PRL. Further, PRL injections given in late hours during the subjective days induce ovarian regression in the photostimulated females. The results suggest that the PRL has an inhibitory role on gonadal photoperiodic responses in redheaded buntings, and extend our understanding of the regulatory function of PRL in migratory birds.

journal_name

Gen Comp Endocrinol

journal_title

General and comparative endocrinology

authors

Tewary PD,Tripathi BK,Kumar V

doi

10.1016/0016-6480(83)90127-2

subject

Has Abstract

pub_date

1983-11-01 00:00:00

pages

315-8

issue

2

eissn

0016-6480

issn

1095-6840

journal_volume

52

pub_type

杂志文章

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