After short interbirth intervals, captive callitrichine monkeys have higher infant mortality

Frye, Brett M.; McCoy, Dakota E.; Kotler, Jennifer; Embury, Amanda; Burkart, Judith M.; Burns, Monika; Eyre, S. R.; Galbusera, Peter; Hooper, Jacqui; Idoe, Arun; Goya, Agustín López; Mickelberg, Jennifer; Quesada, Marcos Peromingo; Stevenson, Miranda F.; Sullivan, Sara; Warneke, Mark; Wojciechowski, Sheila; Wormell, Dominic; Haig, David; Tardif, Suzette D.

doi:10.1016/j.isci.2021.103724

Cited by 5 publications

(4 citation statements)

References 16 publications

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“…We used a threshold of 165 days to mark the end of the main IBI cluster, and classified all shorter intervals ( n = 183, mean ± SD: 153.3 ± 2.8 days) as short and the remaining ones ( n = 30, mean ± SD: 239.4 ± 69.9 days) as long (Fig. S6 ) (see similar distribution of IBIs in Frye et al 33 ). We then analysed the lengths of short and long IBIs separately and included the probability P long of a long IBI (i.e.…”

Section: Methodsmentioning

confidence: 99%

“…As a result, callitrichid females have the highest lifetime reproductive potential among non-human primates 31 . However, these reproductive variables can vary considerably between pairs 31 , 32 , which has been attributed to diverse factors including length of inter-birth interval 33 , litter size 34 , infant body mass 35 , maternal body mass 36 , age 31 , number of previous litters 37 , experience with rearing younger siblings 38 , group size 39 , and housing conditions 35 . However, none of these factors, either alone or in combination, can fully explain the observed variation in reproductive success in callitrichids 27 , 31 .…”

Section: Introductionmentioning

confidence: 99%

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Linking personality traits and reproductive success in common marmoset (Callithrix jacchus)

Masilkova

Boukal

Ash

et al. 2022

Sci Rep

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Animal personality can affect individual fitness and population growth. Personality traits of either parent or parents’ combination may facilitate reproduction and offspring survival across species. However, previous studies focused mainly on the role of only one sex, and the link between personality and fitness has not been confirmed in primates. We examined this link in both sexes of captive common marmosets (Callithrix jacchus), a cooperatively breeding primate with extensive paternal care. We studied the effects of five personality traits of the parents (Agreeableness, Assertiveness, Conscientiousness, Inquisitiveness, and Patience), including their absolute and directional differences within pairs, on key components of reproductive performance. We expected pairs with more similar personality scores to have higher reproductive success as found in other species with long-term pairs and biparental care, but found no evidence for this hypothesis. Instead, we detected strong effects of female traits on inter-birth intervals, which were shorter in more agreeable females, and fecundity rates, which were higher in more inquisitive females. Male traits appeared to have only a limited effect on reproductive success of the pair. Our study demonstrates that various aspects of animal personality underpin reproductive performance in captive common marmosets and provides novel insights into the possible ultimate causes of personality in cooperatively breeding species.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Linking personality traits and reproductive success in common marmoset (Callithrix jacchus)

Masilkova

Boukal

Ash

et al. 2022

Sci Rep

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“…Although common marmoset dams can give birth twice a year due to their ability to conceive in the weeks immediately following birth, short interbirth intervals are associated with higher infant mortality [ 41 ]. It may be beneficial to avoid breeding dams during postpartum ovulation to promote survival of future infants, though the optimal interbirth interval period has not been established.…”

Section: Veterinary Carementioning

confidence: 99%

Review of Environmental and Health Factors Impacting Captive Common Marmoset Welfare in the Biomedical Research Setting

Burns

2023

Veterinary Sciences

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As a small-bodied neotropical nonhuman primate species, common marmosets have unique requirements for adequate husbandry and veterinary care to ensure proper maintenance and to promote good animal welfare in a biomedical research setting. Environmental conditions, as well as medical and research-related manipulations, can impact marmoset welfare. Research focus areas, including basic neuroscience, transgenics, and aging, involve additional implications for marmoset welfare. This manuscript provides a comprehensive review of factors that should be considered and mitigated as needed by clinical and research staff working with marmosets in biomedical research facilities to optimize the welfare of captive marmosets.

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“…Those likely consequences of shortening birth intervals underlined by Hrdy's scenario are consistent with evidence that unusually short intervals to next birth impose costs on infants of other primates. They impact infant survival for rhesus macaques on Cayo Santiago (Lee et al, 2019) and for captive callitrichines (Frye et al, 2022). Short intervals are an "aversive childhood experience" impacting subsequent welfare as much as mother's early death for Amboseli baboons (Zipple et al, 2019;see Morrison et al, 2021 for an alternative pattern in Mountain gorillas).…”

Section: Infant Social Capacities and Life History Evolutionmentioning

confidence: 99%

Life history impacts on infancy and the evolution of human social cognition

Hawkes

2023

Front. Psychol.

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Greater longevity, slower maturation and shorter birth intervals are life history features that distinguish humans from the other living members of our hominid family, the great apes. Theory and evidence synthesized here suggest the evolution of those features can explain both our bigger brains and our cooperative sociality. I rely on Sarah Hrdy’s hypothesis that survival challenges for ancestral infants propelled the evolution of distinctly human socioemotional appetites and Barbara Finlay and colleagues’ findings that mammalian brain size is determined by developmental duration. Similar responsiveness to varying developmental contexts in chimpanzee and human one-year-olds suggests similar infant responsiveness in our nearest common ancestor. Those ancestral infants likely began to acquire solid food while still nursing and fed themselves at weaning as chimpanzees and other great apes do now. When human ancestors colonized habitats lacking foods that infants could handle, dependents’ survival became contingent on subsidies. Competition to engage subsidizers selected for capacities and tendencies to enlist and maintain social connections during the early wiring of expanding infant brains with lifelong consequences that Hrdy labeled “emotionally modern” social cognition.

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After short interbirth intervals, captive callitrichine monkeys have higher infant mortality

Cited by 5 publications

References 16 publications

Linking personality traits and reproductive success in common marmoset (Callithrix jacchus)

Linking personality traits and reproductive success in common marmoset (Callithrix jacchus)

Review of Environmental and Health Factors Impacting Captive Common Marmoset Welfare in the Biomedical Research Setting

Life history impacts on infancy and the evolution of human social cognition

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