Effects of grouping on sexual receptivit
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Lisk, Robert D. ;Reuter, Lawrence A. ;Raub, Jeffrey A.
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Article
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1974
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John Wiley and Sons
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English
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## Abstract Female hamsters maintained in groups of 4 to 12 animals continue to show fourβday ovulatory cycles. However, when placed with males on the evening of proestrus, only 40% of these grouped females mate. Ninetyβfive per cent of females caged singly or in groups of two, mate in less than te