دانلود فایل تحقیق رشته دامداری زبان انگلیسی 19صفحه/Dry Cow and Transition Cow Nutrition

Fresh cows need to calve in with few metabolic problems. Fresh cows also need to eat aggressively as soon as possible and have few sub-clinical metabolic problems. Goals of the far-off dry period include maintaining body condition, maintaining protein and muscle reserves, rejuvenation of the rumen wall, and provision of needed minerals and vitamins. During the pre-fresh period, nutrient requirements increase while dry matter intake decreases. Ration nutrient concentration must increase. The m ...