作者: R. A. Hinde
DOI: 10.1111/J.1474-919X.1962.TB08631.X
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摘要: SUMMARY 1 The development of the brood patch and other aspects reproduction in domesticated canaries was assessed. Suboptimal breeding conditions ensured a considerable spread speed reproductive development, thus permitted an examination extent to which different were related. 2 Loss feathers is closely related nest-building, but not egg-laying. 3 Vascularization usually starts while defeathering progress. 4 Moderate vascularization (stage 3) occurs somewhat before egg-laying, only birds subsequently incubate. 5 Oedema incubate, correlated time with egg-laying. 6 Vascularity oedema disappear few days after eggs are removed from incubating bird. 7 The relationship these findings present knowledge hormonal control indicated briefly.