Characteristics of progeny-test (PT) programs of artificial insemination (AI) organizations in the United States were examined for changes since 1960. Mean number of bulls that were progeny tested annually by major AI organizations during the mid 1990s was 11 for Ayrshires, 24 for Brown Swiss, 21 for Guernseys, 1261 for Holsteins, 112 for Jerseys, and 3 for Milking Shorthorns. Mean parent age a...

Although female common marmosets typically do not breed while housed with their natal families, up to half ovulate at least once while housed with the intact natal family, and a similar proportion conceive if an unrelated adult male is present in the group. In this study, we investigated the behavioral and social correlates of escape from suppression of ovulation by daughters housed in intact n...

Objective: Poor body image is a public health issue. Mothers are a key influence on adolescents’ body image. This study evaluated an accessible, scalable, low-intensity internetbased intervention delivered to mothers (Dove Self-Esteem Project Website for Parents) on mothers’ and their adolescent daughters’ body image and psychosocial well-being. Methods: British mother-daughter dyads (N=235) pa...

PURPOSE We assessed human papillomavirus (HPV) vaccination of adolescent girls living in communities with elevated cervical cancer rates. METHODS During July to October 2007, we conducted interviews with a probability sample of parents (or guardians) of 10- to 18-year-old girls in five North Carolina counties with cervical cancer rates substantially higher than the national average. Estimates...

South Korea is the first country to shift from strong son preference preferring daughters. This paper examines factors associated with daughter preference, using data 2012 General Social Survey, a nationally-representative survey of 1,379 people. The outcome variable was derived question, 'If you were have one child, which would like - son, daughter, or no preference?' Multinomial logistic regr...