title: Evaluation of the Athens-Canadian randombred population. 1. Time trends at two locations.
mesh_terms: D000818:Animals; D001835:Body Weight; D002645:Chickens; D003129:Comb and Wattles; D004777:Environment; D005069:Evaluation Studies as Topic; D005260:Female; D005298:Fertility; D005787:Gene Frequency; D005828:Genetics, Population; D005843:Geography; D008297:Male; D010060:Ovulation; D010641:Phenotype