Selection for prothrombin time at 18 weeks of age in chickens.
D000367:Age Factors; D000818:Animals; D002645:Chickens; D003433:Crosses, Genetic; D005260:Female; D005799:Genes, Dominant; D008297:Male; D010641:Phenotype; D011517:Prothrombin Time; D012641:Selection, Genetic; D012737:Sex Factors; D013223:Statistics as Topic