Some Nutritional and Physiological Factors Affecting Milk and Related Blood Constituents in Dairy Animals

The animal body contains a large number of mineral elements which occur both in combination with each other and in comnination with the organic constituents. The body has some ability to conserve its supply through lessened excretion when the intake is limited. A deficiency of any of these elements results in a lack of appetite, a decline of growth, loss of weigh and production in the adult, and decreased blod levels. In contrast to sodiu, the potassium of the body exists primarily as a cellular constituent. the objectives of this study were. Ca,P,Na and K Level in milk and blood during the whole lactation period. the effect of dietary Ca,P,Na and K level on their concntration in milk and blood. Blood Ca,P, Na and K level and the relation to their level in milk.