Nutrition and breeding management of problem mares.
D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D001947:Breeding; D005260:Female; D005306:Fertilization; D006734:Horse Diseases; D006736:Horses / Q000502:physiology*; D008027:Light; D011247:Pregnancy; D012621:Seasons; D014591:Uterine Diseases / Q000662:veterinary