Seasons of calving: age, management, and genetic differences for milk.
D000367:Age Factors; D000704:Analysis of Variance; D000818:Animals; D002417:Cattle / Q000502:physiology*; D005260:Female; D005823:Genetics; D006799:Housing, Animal; D007774:Lactation; D008892:Milk; D011247:Pregnancy; D012098:Reproduction; D012621:Seasons