Seasonal changes in milk production and fertility in high yielding dairy cows in a desert climate.
D000818:Animals; D002417:Cattle; D003889:Desert Climate; D005260:Female; D005298:Fertility; D007774:Lactation; D011247:Pregnancy; D012621:Seasons
J Dairy Sci. 1965 Feb;48:222-7
14277425
Nature. 1960 Jun 18;186:972-3
14408938