dc.contributor.author |
Brachet, Morgane A.A.
|
|
dc.contributor.author |
Vullioud, Philippe
|
|
dc.contributor.author |
Ganswindt, Andre
|
|
dc.contributor.author |
Manser, Marta B.
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|
dc.contributor.author |
Keller, Matthieu
|
|
dc.contributor.author |
Clutton-Brock, Tim H.
|
|
dc.date.accessioned |
2021-10-27T07:24:27Z |
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dc.date.issued |
2021-10 |
|
dc.description |
SUPPLEMENTARY MATERIAL: Supplementary Data SD1.—R script is used to obtain residuals from the generalized additive growth model (GAM). The residuals of this model were used to replace body mass, to account for collinearity between age and body mass. The residuals provide the relative body condition of a female for her age, according to predictions of the model, which were based on the age and morning weights of nonpregnant dominant and subordinate females in the population, for litter mothers and subordinate females, respectively. Using a GAM allows the age effect on body mass to be slightly non-linear, and logging the values makes the variance more even across the range of ages. |
en_ZA |
dc.description |
Supplementary Data SD2.—Models considered for the study on likelihood of allonursing based on their AIC. The interaction “Parity*Pregnancy status” is included in every model. The relevance of terms were compared with Wald statistics (χ 2). |
en_ZA |
dc.description.abstract |
In some mammals that breed cooperatively, nonbreeding female helpers nurse offspring born to the breeding female in their group, a process known as allonursing. Previous laboratory studies have suggested that primiparous and multiparous females (those that have successfully given birth once or more, respectively) are more likely to contribute to allonursing than nulliparous females (those that have not given birth). In contrast, few field studies have been able to demonstrate whether breeding experience, or parity, affects the likelihood or duration of allonursing. In this study, we investigated whether the likelihood and duration of allonursing by subordinate female meerkats (Suricata suricatta) were associated with variations in their parity (number of pregnancies reaching a viable gestational age) and their immediate pregnancy status. Comparisons showed that nonpregnant nulliparous females were less likely to allonurse than nonpregnant primiparous and multiparous females, although parity was not related to variation in allonursing duration. Parity may enhance the expression of maternal behavior when exposed to foster pups, especially since mammary gland development has been shown to be directly associated with parity in other mammals. |
en_ZA |
dc.description.department |
Mammal Research Institute |
en_ZA |
dc.description.department |
Zoology and Entomology |
en_ZA |
dc.description.embargo |
2022-08-11 |
|
dc.description.librarian |
hj2021 |
en_ZA |
dc.description.sponsorship |
The French National Research Institute for
Agriculture, Food, and Environment and the French National
Centre for Scientific Research. |
en_ZA |
dc.description.uri |
https://academic.oup.com/jmammal |
en_ZA |
dc.identifier.citation |
Brachet, M.A.A., Vullioud, P., Ganswindt, A. et al. 2021, 'Parity predicts allonursing in a cooperative breeder', Journal of Mammalogy, vol. 102, no. 5, pp. 1365–1374. |
en_ZA |
dc.identifier.issn |
0022-2372 (online) |
|
dc.identifier.issn |
1545-1542 (print) |
|
dc.identifier.other |
10.1093/jmammal/gyab084 |
|
dc.identifier.uri |
http://hdl.handle.net/2263/82259 |
|
dc.language.iso |
en |
en_ZA |
dc.publisher |
Oxford University Press |
en_ZA |
dc.rights |
© The Author(s) 2021. Published by Oxford University Press on behalf of the American Society of Mammalogists. This is a pre-copy-editing, author-produced PDF of an article accepted for publication in Journal of Mammalogy following peer review. The definitive publisher-authenticated version: Journal of Mammalogy, vol. 102, no. 5, pp. 1365–1374, 2021, doi : is available online at : http://jmammal.oxfordjournals.org [12 months embargo] |
en_ZA |
dc.subject |
Allomaternal behavior |
en_ZA |
dc.subject |
Allonursing |
en_ZA |
dc.subject |
Meerkat (Suricata suricatta) |
en_ZA |
dc.subject |
Obligate cooperative breeding |
en_ZA |
dc.subject |
Parity |
en_ZA |
dc.title |
Parity predicts allonursing in a cooperative breeder |
en_ZA |
dc.type |
Postprint Article |
en_ZA |