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THE EFFECT OF DESTRUCTION OF THE SPERMATOGENIC TISSUE BY X-RAYS UPON CERTAIN SECONDARY GONADIC CHARACTERS OF THE COCK
1 Department of Animal Genetics, University of Edinburgh
The male characters of the head-furnishings, voice, and behaviour, as far as fighting is concerned, are not dependent for their maintenance upon the endocrine activity of the spermatogenic tissue of the testis, for when this is obliterated by means of X-rays, these characters remain unaffected.
We wish to acknowledge the help that Dr A. W. Green-wood has given to us in the course of this study. His particular knowledge of the fowl has often stood between us and rash assumption.
Submitted on April 2, 1931
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