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John Brethour passes

Noted Kansas State University (KSU) animal scientist John Brethour passed away May 29 at his home. Named among the BEEF Top 40 by BEEF magazine in 2004, Brethour joined KSU in 1957, retiring in 2005. He was best known for his work perfecting ultrasound methods. The crowning achievement of his 47-year career was the application of ultrasound technology to precision feeding of beef cattle. For a tribute by former colleague Pat Coyne, visit To view Brethour's home page, visit