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Evolution

University of Wisconsin Milwaukee

Reproduction

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Full-Text Articles in Life Sciences

Practical Problems And Moral Discourses: An Ethnography Of Breastfeeding, Tara Ann Gallagher May 2020

Practical Problems And Moral Discourses: An Ethnography Of Breastfeeding, Tara Ann Gallagher

Theses and Dissertations

Universal and bioactive, breastfeeding is a burgeoning biocultural topic because it incorporates biological and social determinants of human behavior. The topic has amassed media attention framed as part of a bigger imagining of motherhood as an idealized state directed at the female body’s performance. This paper questions media and public policy’s role in the dissemination of culture and the symbolic value of breastmilk. This study examines breastfeeding discourses through the lens of an American, mostly white, Midwestern middle-class social structure. Using participant observation data of two postpartum support groups and semi-structured interviews with six primiparous mothers, my data suggests that …


Seasonality Of Conceptions Under Varying Conditions In A Rhesus Macaque Breeding Colony, Ryan Disney Patrick Dunk Aug 2013

Seasonality Of Conceptions Under Varying Conditions In A Rhesus Macaque Breeding Colony, Ryan Disney Patrick Dunk

Theses and Dissertations

Rhesus macaques (Macaca mulatta) are well documented as seasonal breeders. Despite this, little is known about what factors influence seasonal reproduction in rhesus. It has been proposed that rhesus are "relaxed income breeders" (Brockman and van Schaik, 2005), which means they respond to changes in photoperiod but endogenous cues can allow deviations from photoperiod-timed seasonality. This study presents the results of a natural experiment on the influence of different housing conditions (featuring different levels of environmental exposure) on the seasonal pattern of reproduction in rhesus. Once the number of attempts was controlled for, rhesus did not exhibit a seasonal distribution …