By Cesar Coto
Special to Poultry Times
SILOAM SPRINGS, Ark. — In the early 1990s, Cobb started collecting information of breeder flocks worldwide and a clear cut pattern for improvement in performance has been observed since then. Genetic selection has certainly been a great contributor of this progress; however, a better understanding of bird needs from the nutritional and management standpoint has also played a part.
By analyzing the survey results for a given year, a significant difference in performance between flocks ranked in the top 25 percent versus the average flock is observed (table 1). This demonstrates how. . .
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