The effect of gonadal and thyroidal hormones on the regulation of food intake and adiposity, and on various endocrine glands, in the red-winged blackbird (Agelaius phoeniceus)

B. Robinzon; J. G. Rogers

doi:10.1016/0016-6480(79)90200-4

The effect of gonadal and thyroidal hormones on the regulation of food intake and adiposity, and on various endocrine glands, in the red-winged blackbird (Agelaius phoeniceus)

B. Robinzon^*, J. G. Rogers

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

The effects of testosterone propionate (TP), clomiphene citrate (CC), thyroxine (T₄, and propilthiouracil (PTU) on food and water intake, adiposity, and various endocrine glands of male red-winged blackbird were studied. TP induced hyperphagia with obesity, increased prolactin cell population in the pituitary, and supressed the gonadotropic activity. CC had the opposite effects to TP. T₄ induced hyperphagia without obesity, increased somatotrops population in the adenohypophysis, but suppressed thyrotropic and gonadotropic activities. PTU reduced food intake without affecting adiposity and enhanced throtropic activity while supressed the gonadotropic one. All treatments induced enlargement of the adrenal cortex. The relationships among the various effects are discussed.

Original language	English
Pages (from-to)	135-147
Number of pages	13
Journal	General and Comparative Endocrinology
Volume	38
Issue number	2
DOIs	https://doi.org/10.1016/0016-6480(79)90200-4
State	Published - Jun 1979
Externally published	Yes

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abstract = "The effects of testosterone propionate (TP), clomiphene citrate (CC), thyroxine (T4, and propilthiouracil (PTU) on food and water intake, adiposity, and various endocrine glands of male red-winged blackbird were studied. TP induced hyperphagia with obesity, increased prolactin cell population in the pituitary, and supressed the gonadotropic activity. CC had the opposite effects to TP. T4 induced hyperphagia without obesity, increased somatotrops population in the adenohypophysis, but suppressed thyrotropic and gonadotropic activities. PTU reduced food intake without affecting adiposity and enhanced throtropic activity while supressed the gonadotropic one. All treatments induced enlargement of the adrenal cortex. The relationships among the various effects are discussed.",

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The effect of gonadal and thyroidal hormones on the regulation of food intake and adiposity, and on various endocrine glands, in the red-winged blackbird (Agelaius phoeniceus)

Abstract

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