Some Mineral Deficiencies and Excesses in Cattle and Sheep in Britain

lems At Weybridge, we have many animal health probassociated wrth the grazing of apparently good pastures, and it is some of these problems that I propose to discuss this afternoon: Because some of these disorders are not associated with a deficiency of minerals in the herbage itself, it may be misleading to refer to them merely as “trace element” or “mineral deficiency” diseases, which usually implies a deficient intake of some essential dietary constituent rather than a dysfunction of the mineral metabolism of the animal.