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Differential investment by female coypus (Myocastor coypus) during lactation



Differential investment by female coypus (Myocastor coypus) during lactation



Physiological strategies in lactation The Proceedings of a Symposium held at the Zoological Society of London on 11 and 12 November 1982: 273-300



This review of a long-term investigation of feral coypus (nutria) includes an account of work on 20 wild-caught, pregnant females kept in captivity until they littered. The surviving male offspring were about 8% heavier than females at birth (males, 224+or-44 g; females, 208+or-47 g). Lactation, which lasted for 7.7+or-1.0 wk in the wild, lasted for 10-14 wk in captivity. The food consumption of a sample of lactating females was 63% higher than that of non-lactating females.

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Accession: 001336262

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Differential investment by female coypus myocastor coypus during lactation. Peaker, M , R G Vernon And C H Knight (Ed ) Symposia Of The Zoological Society Of London, No 51 Physiological Strategies in Lactation; Symposium, London, England, Nov 11-12, 1982 Xxi+432p Academic Press, Inc : London, England; Orlando, Fla , Usa Illus 273-300, 1984, 1985

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