Performances of inbred and outbred laboratory mice in putative tests of aggression
Tóm tắt
A variety of situations commonly used to assess aggression in laboratory rodents was studied in two outbred varieties and six inbred strains of mice. The situations investigated included attacks on anosmic TO-line standard opponents by males from individual housing, from pairings with females, or after exposure to electroshock. Lactating females were studied in similar tests. Locust killing (predatory aggression) and restraint-induced target biting were also studied in male subjects. Cohabitation with females was generally a less effective means of inducing social conflict that individual housing. Maternal aggression was absent in some lines but was characteristic of genotypes with the most aggressive males. Correlations performed between the different tests of aggression (based on a combined score reflecting incidenceand intensity data) confirmed earlier claims that locust killing and target biting are distinct from intraspecific forms of attack. These data caution against ready extrapolation between different tests.
Tài liệu tham khảo
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