David Seibert>LPL Interviews N-Z>LPL Interviews K-Z, Segment 9


duration 10:57
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Performance testing began in the 1960s. Collect information on the herds. When cow calved, weights, weaning weights, sex, age of dam. Computer program to compare cows. Multiply the best calves from the best cows, and market the lesser ones. Improves the breed. Breed associations started their breed programs - AHIR (Angus Herd Improvement Records). Illinois started the performance sales in Springfield. Identify excellent bulls and sell them to purebred operations. Six traits to examine - birth weight, weaning weights, yearling weight, rib eye area, marbling, and quality (prime, choice, select). Ultrasonic used to scan carcass data. Computers analyze data. Explains about the sale; purebreds versus crossbreds, F1, etc.