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Peptides. 1984 Jul-Aug;5(4):829-31.

Casomorphins reduce separation distress in chicks.

Abstract

Intraventricular administration of various chain length casomorphins (CM) reliably reduced separation induced distress vocalizations (DVs) in young domestic chicks. At a dose of 50 nanomoles, CM-5 was more potent than either CM-4 or CM-7, but for each the duration of action was approximately half an hour, with CM-7 having a somewhat longer effect. This suppression of DVs was partially antagonized by naloxone (1 mg/kg).

PMID:
6541784
DOI:
10.1016/0196-9781(84)90030-5
[Indexed for MEDLINE]

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