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The lactation cycle of the fur seal

Sharp, Julie, Cane, Kylie, Arnould, John and Nicholas, Kevin 2005, The lactation cycle of the fur seal, Journal of dairy research, vol. 72, Special Issue, pp. 81-89.

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Title The lactation cycle of the fur seal
Author(s) Sharp, Julie
Cane, Kylie
Arnould, John
Nicholas, Kevin
Journal name Journal of dairy research
Volume number 72
Season Special Issue
Start page 81
End page 89
Publisher Cambridge University Press
Place of publication Cambridge, England
Publication date 2005-07-14
ISSN 0022-0299
Keyword(s) lactation
fur seal
mammosphere
milk protein genes
Summary The fur seal is a mammal with an unusual ability to turn its milk production on and off without significantly altering the gross morphology of the mammary gland. This atypical lactation cycle is due to the fact that maternal foraging and infant nursing are spatially and temporally separate (Bonner, 1984). Maternal care involves the suckling of offspring over a period of at least 4 months, but lactation can extend to more than 12 months. Following a perinatal fast of approximately 1 week, females depart the breeding colony to forage at sea and, for the remainder of lactation, alternate between short periods ashore suckling their young with longer periods of up to 4 weeks foraging at sea. Whilst foraging at sea, milk production in the fur seal mammary gland either ceases or is reduced (Arnould & Boyd, 1995b).
Language eng
Field of Research 060604 Comparative Physiology
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2005, Proprietors of Journal of Dairy Research
Persistent URL http://hdl.handle.net/10536/DRO/DU:30008866

Document type: Journal Article
Collections: School of Biological and Chemical Sciences
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.