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J Med Primatol. 2018 May 11. doi: 10.1111/jmp.12350. [Epub ahead of print]

Maternal activity, anxiety, and protectiveness during moderate nutrient restriction in captive baboons (Papio sp.).

Author information

1
Department of Anthropology, University of North Carolina Charlotte, Charlotte, NC, USA.
2
Department of Anthropology, University of Texas at San Antonio, San Antonio, TX, USA.
3
Department of Obstetrics and Gynecology, University of Texas Health Science Center, San Antonio, TX, USA.
4
Department of Animal Science, University of Wyoming, Laramie, WY, USA.
5
Department of Psychiatry, University of Chicago, Chicago, IL, USA.
6
Southwest National Primate Research Center, San Antonio, TX, USA.

Abstract

BACKGROUND:

We hypothesized that maternal nutrient restriction (NR) would increase activity and behavioral indicators of anxiety (self-directed behaviors, SDBs) in captive baboons (Papio sp.) and result in more protective maternal styles.

METHODS:

Our study included 19 adult female baboons. Seven females ate ad libitum (control group), and eight females ate 30% less (NR group) and were observed through pregnancy and lactation.

RESULTS:

Control females engage in higher rates of SDB than NR females overall (P ≤ .018) and during the prenatal period (P ≤ .001) and engage in more aggressive behavior (P ≤ .033). Control females retrieved infants more than NR females during weeks 5-8 postpartum (P ≤ .019).

CONCLUSIONS:

Lower SDB rates among prenatal NR females reduce energy expenditure and increase available resources for fetal development when nutritionally restricted. Higher infant retrieval rates by controls may indicate more infant independence rather than maternal style differences.

KEYWORDS:

developmental programming; mother-infant interactions; nutrition

PMID:
29749628
PMCID:
PMC6230519
[Available on 2019-11-11]
DOI:
10.1111/jmp.12350

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