Dairy production The role of dairy cattle in world food production Dairy industry in the united states The mammary gland Physiology of milk secretion Factors affecting yield and composition of milk Harvesting the milk crop: machine milking & milking systems Udder diseases Rumanian Nutrition Rumen anatomy Calf rumen Rumen bacteria CHO met Protein nutrition Protein nutrition 2 Lipid Metabolism In Ruminants In Vitro Acidosis in Farsi Silage