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Factors affecting pup growth and survival in co-operatively breeding meerkats Suricata suricatta


Russell, AF and Clutton-Brock, TH and Brotherton, PNM and Sharpe, LL and McIlrath, GM and Dalerum, FD and Cameron, EZ and Barnard, JA, Factors affecting pup growth and survival in co-operatively breeding meerkats Suricata suricatta, Journal of Animal Ecology, 71, (4) pp. 700-709. ISSN 0021-8790 (2002) [Refereed Article]

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DOI: doi:10.1046/j.1365-2656.2002.00636.x


1. We examined the relative importance of maternal, environmental and social factors for post-weaning pup growth and survival in a co-operatively breeding mammal, the meerkat Suricata suricatta . 2. Pup daily weight gain was primarily influenced by the number of carers per pup and the daily weight gain of those carers. Rainfall and daily temperatures had additional positive and negative effects, respectively, on weight gain of pups born to subordinates. 3. Pup overnight weight loss was primarily influenced by the amount of weight pups gained during the day, and their age. However, pups also lost considerably more weight overnight when temperatures were cold, although such effects were less in large groups. 4. Pup growth rates were positively influenced by the number of carers per pup and carer condition, and negatively influenced by high daytime temperatures. 5. Pup weight at independence was positively associated with weight at emergence and pup weight gain during provisioning, but negatively associated with the extent of over- night weight loss. 6. Pup survival between emergence and independence was related to maternal status, pup sex and overnight weight loss, as well as to group size, daytime temperature and monthly rainfall. 7. Thus, in meerkats, social factors largely, but not wholly, replace the importance of maternal factors that are commonly found to govern reproductive success in non- co-operatively breeding social vertebrates.

Item Details

Item Type:Refereed Article
Keywords:condition;helpers;kin selection;maternal;social;weight
Research Division:Biological Sciences
Research Group:Zoology
Research Field:Animal developmental and reproductive biology
Objective Division:Environmental Management
Objective Group:Other environmental management
Objective Field:Other environmental management not elsewhere classified
UTAS Author:Cameron, EZ (Professor Elissa Cameron)
ID Code:71264
Year Published:2002
Web of Science® Times Cited:146
Deposited By:Zoology
Deposited On:2011-07-12
Last Modified:2011-07-13

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