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Rats and relations : social structure theory and some affects of group size and change in size on the rat's behaviour
A model of the population structure of social animals as a complex of small, partly isolated breeding-groups is presented. This pattern is contended to be determined by the population- genetic evolution of social behaviour. The model is contrasted with those based on population density regulation and its dynamic nature is tested by manipulating group size and change of group size in two strains of laboratory rats. The findings that group size can affect behaviour frequency and that following adoi:10.26021/12321 fatcat:m2f77gv2ljfzdo6nm7ak65xvwi