نتایج جستجو برای: low fertility

تعداد نتایج: 1243891  

2014
Krzysztof Kościński

The low proportion of waist to hip size in females is a unique and adaptive human feature. In contemporary human populations, the waist-to-hip ratio (WHR) is negatively associated with women's health, fecundity, and cognitive ability. It is, therefore, hypothesized that men will prefer women with low WHR. Although this prediction is supported by many studies, considerable disagreement persists ...

2006
Arlindo A. Moura David A. Chapman Hasan Koc Gary J. Killian J. O. Almquist

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 We evaluated the relationships between proteins in cauda epididymis fluid (CEF) and fertility scores of dairy bulls. Fertility was expressed as the percentage point deviation of bull non-return rate (PD) from the average fertility of all bulls at an artificial insemination center. Number of services for each bull ranged from 1,07...

Journal: :Finnish Yearbook of Population Research 1983

Journal: :Canadian Studies in Population 2009

Journal: :The Journal of the Korea Contents Association 2016

Journal: :Finnish Yearbook of Population Research 1989

Journal: :European Journal of Population / Revue européenne de Démographie 2009

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