The influence of acute or repeated immobilization on plasma prolactin levels in the turkey (Meleagris gallopavo)

M E Elhalawani, J. L. Silsby, S. C. Fehrer, E. J. Behnke

Research output: Contribution to journalArticle

21 Scopus citations

Abstract

Three experiments were conducted to evaluate the effect of immobilization on plasma prolactin (PRL) levels in the immature turkey. Acute immobilization for 120 min resulted in elevated PRL levels (P < 0.05) starting 15 min after the onset of immobilization. Release from immobilization caused PRL levels to return to those of the nonimmobilized controls by 120-180 min following replacement of the turkeys in cages. Repeated immobilization for 3 or 5 consecutive days diminished PRL response (P < 0.05) to subsequent immobilization. It is suggested that the PRL controlling mechanism(s) of the young turkey is both susceptible and able to habituate to changes induced by immobilization stress.

Original languageEnglish (US)
Pages (from-to)410-415
Number of pages6
JournalGeneral and Comparative Endocrinology
Volume59
Issue number3
DOIs
StatePublished - Sep 1985

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