Behavioral effects of castration and tes
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Deviche, Pierre
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Article
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1979
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John Wiley and Sons
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English
β 696 KB
## Abstract Twentyβone adult male ducks were bilaterally castrated, then injected as follows for 17 consecutive days: testosterone propionate (TP; N = 6; 5 mg/day/bird) + ACTH (20 IU/day/bird); TP + saline (N = 6); oil + ACTH (N = 5); oil + saline (N = 4). The birds were repeatedly observed under