| Show TEST DAIRY COWS FOR production eliminates unprofitable animals from good ones the herd improvement test advances the breed in two ways suld said H IV y norton speaking at cornell university it gets rid of the lo 10 low w producing unprofitable cows and discovers those animals capable of high production the real seed stock of tile the breed mr norton who Is superintendent of advanced registry for the holstein friesian association says that the herd improvement test meets the requirements quire ments of if hundreds of breeders bleeders bre eders who have not felt warranted in undertaking advanced registry testing unlike the advanced registry test in which the individual vow cow Is the unit this test includes the entire herd nn and is designed to furnish the owner a definite knowledge of the production of each individual member of the herd it began january 1 1928 and for the first year herds including cows representing 30 states were on test tile improvement test will also furnish valuable information regarding sires improvement of the breed must be effected largely through the sire and since heavy production Is the chief lef consideration it follows that the selection of sires having ability to transmit high production Is a matter of the utmost importance said mr norton in the past we have selected sires with a long line of high pro dams but tills this Is not an absolute guarantee that the sire will transmit heavy producing ability to his daughters the only real proof that a bull possesses this much desired characteristic Is the fact that his daughters are heavy producers such bulls are commonly called proven sires to date we have few of them advanced registry testing as commonly practiced does not prove the sire because only the best daughters n are re tested testing all the daughters of a bull Is the real check of lils ills ability to transmit the factor tor for high production and this will be one of the outstanding features of the tier herd improvement test herds which continue with this test year after year will show the influence of the sire by comparison of the productions of dams and daughters As a result many valuable sires will be saved for service and not slaughtered before their real worth Is discovered |
