title: Age of breeder versus hatchability of fertile eggs in Coturnix quail.
mesh_terms: D000367:Age Factors; D000821:Animal Feed; D000818:Animals; D001947:Breeding; D004032:Diet; D004531:Eggs; D005260:Female; D005298:Fertility; D007185:Incubators; D011784:Quail / Q000254:growth & development*; D012621:Seasons