P H Zuzick

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Previous radioimmunoassay (RIA) data indicate that plasma prolactin (PRL) is elevated during the late incubation and the early posthatching periods of the ring dove breeding cycle. Although these changes are temporally associated with changes in PRL-dependent crop sac growth, the precise relationship between immunoreactive and bioactive PRL has not been(More)
Prolactin (PRL) strongly stimulates feeding activity and body weight gain in ring doves, and of the brain loci tested to date, the ventromedial hypothalamus (VMH) is the most effective site of PRL action in promoting these changes. To determine if the VMH is essential for this response, we examined the effects of VMN destruction on spontaneous feeding and(More)
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