title: Genotype x environmental interactions on reproductive traits of bovine females. I. Age at puberty as influenced by breed, breed of sire, dietary regimen and season.
mesh_terms: D000818:Animals; D001835:Body Weight; D002417:Cattle / Q000235:genetics / Q000502:physiology*; D004032:Diet; D004971:Estrus; D005260:Female; D005838:Genotype; D010375:Pedigree; D011247:Pregnancy; D012098:Reproduction; D012621:Seasons; D012741:Sexual Maturation