Improvements in and relating to increasing the milk yield and the quality of the milk obtained from lactating ruminants

摘要

547,858. Medicines for animals. AMERICAN DAIRIES, Inc. March 18, 1941. No. 3681. Convention date, March 20, 1940. [Class 81 (i)]. A preparation for oral administration to ruminants, e.g. cows, for increasing milk yield and fat production consists of a pellet of dessicated thyroid which is coated with a substance insoluble in the rumen, e.g. a fat, solid alcohol, stearic acid or lacquer.