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Maternal investment in rhesus macaqu...

Mehrhof, Barbara.

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Maternal investment in rhesus macaques: Secondary sex ratios and maternal care.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Maternal investment in rhesus macaques: Secondary sex ratios and maternal care./
Author:	Mehrhof, Barbara.
Description:	402 p.
Notes:	Source: Dissertation Abstracts International, Volume: 66-04, Section: A, page: 1413.
Contained By:	Dissertation Abstracts International66-04A.
Subject:	Anthropology, Physical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3170853
ISBN:	9780542071850

Maternal investment in rhesus macaques: Secondary sex ratios and maternal care.
Mehrhof, Barbara.

Maternal investment in rhesus macaques: Secondary sex ratios and maternal care. - 402 p.

Source: Dissertation Abstracts International, Volume: 66-04, Section: A, page: 1413.

Thesis (Ph.D.)--New York University, 2005.

This study investigated secondary sex ratios among 513 infants born to 208 adult females of known dominance rank living in three separate social groups in a free-ranging, provisioned colony of rhesus macaques on Morgan Island, South Carolina. The aim of the study was to test the Trivers-Willard hypothesis that females facultatively adjust secondary sex ratios in accordance with their ability to investment in offspring. Adult females were divided into two (high, low), and then three dominance categories (high, medium, low), in order to test for the effect of maternal rank on infant sex ratios in the individual groups and in the combined population. The results of binomial and chi-square analyses for a five-year period revealed no significant findings in support of the model. An analysis of 1,146 infants born in the three study groups over an eleven-year period, without regard to maternal status, also demonstrated no statistically significant bias toward the production of either sex.

ISBN: 9780542071850Subjects--Topical Terms:

877524
Anthropology, Physical.

Maternal investment in rhesus macaques: Secondary sex ratios and maternal care.
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245 1 0 $a Maternal investment in rhesus macaques: Secondary sex ratios and maternal care.
300 $a 402 p.
500 $a Source: Dissertation Abstracts International, Volume: 66-04, Section: A, page: 1413.
500 $a Adviser: Clifford J. Jolly.
502 $a Thesis (Ph.D.)--New York University, 2005.
520 $a This study investigated secondary sex ratios among 513 infants born to 208 adult females of known dominance rank living in three separate social groups in a free-ranging, provisioned colony of rhesus macaques on Morgan Island, South Carolina. The aim of the study was to test the Trivers-Willard hypothesis that females facultatively adjust secondary sex ratios in accordance with their ability to investment in offspring. Adult females were divided into two (high, low), and then three dominance categories (high, medium, low), in order to test for the effect of maternal rank on infant sex ratios in the individual groups and in the combined population. The results of binomial and chi-square analyses for a five-year period revealed no significant findings in support of the model. An analysis of 1,146 infants born in the three study groups over an eleven-year period, without regard to maternal status, also demonstrated no statistically significant bias toward the production of either sex.
520 $a Thirty-eight mothers and their infants from two of the groups were also subjects of focal-animal research on mother-infant relations in the first three months of life. Analysis of variance techniques were used to examine how the variables of infant sex, maternal rank, maternal age and group affiliation affected maternal treatment of infants. Interactions between mothers and their infants were examined within the parameters of contact time and proximity relations, maternal care behaviors and restrictive behaviors. Few differences emerged of preferential treatment of male and female infants by mothers of different dominance ranks in the early months of infant life.
590 $a School code: 0146.
650 4 $a Anthropology, Physical. $3 877524
650 4 $a Biology, Zoology. $3 1018632
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773 0 $t Dissertation Abstracts International $g 66-04A.
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