Show Best Breeding Age for Heifers Used in Dairy The age at which the heifer should come Into milk depends somewhat on the breed to which she site belongs and the rapidity of development of the Indi vidual In all herds there are some heifers which mature more slowly than others and It Is well to postpone breeding of backward animals two or three months Production of milk has an un Important Influence on growth and development and too early breeding Is apt to result In undersize and this In turn Is reflected re re- re- re In the productive ability atthe of at the animal Normally den developed animals hould should be bred at the following ages Holsteins 19 19 to 21 months 18 18 to 21 mon months month 17 17 to 19 months Jerseys 15 15 to 17 months These figures are based on a stud study of the production records of the tile cows In the herd of the University of Missouri Mis Js and und further Information OIlA on OIl A Ayrshire cattle contained In Maryland lund Station Bulletin |