Age and group residence but not maternal dominance affect dominance rank in young domestic horses1,2
نویسندگان
چکیده
منابع مشابه
Age and group residence but not maternal dominance affect dominance rank in young domestic horses.
We present a study focused on those factors influencing dominance position in young horses, with emphasis on the role of the mother. Horses, as other group-living polygynous mammals, form stable linear dominance hierarchies based on agonistic interactions. Higher dominance positions are believed to be connected, in both sexes, to better condition and higher reproductive success. Many variables ...
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This study tested some predictions of the local-resource-competition hypothesis and localresource-enhancement hypothesis of sex-biased maternal investment in a population of pigtail macaques (Macaca nemestrina leonina). Offspring sex ratios in highand lowranking matrilines were biased in opposite directions as predicted. Sex ratio in the middleranking matriline was female biased similar to the ...
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It has been shown that a smaller ratio between the length of the second and fourth digit (2D:4D) is an indicator of the exposure to prenatal testosterone (T). This study measured the 2D:4D of men and assessed dominance as a personality trait to investigate indirectly if the exposure to prenatal T is related to a dominant personality later in life. Results showed that men had a more aggressive d...
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ژورنال
عنوان ژورنال: Journal of Animal Science
سال: 2014
ISSN: 0021-8812,1525-3163
DOI: 10.2527/jas.2014-7674