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Animal Sciences

Beef Research Report, 2003

ASLR 1829

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Evaluation Of Individual Feed Intake, Body Composition, And Performance Of Performance-Tested Angus Bulls During A 14-Year Period, Claudio C. Ribeiro-Filho, Daniel D. Loy, Allen H. Trenkle, W. Darrell Busby Jan 2003

Evaluation Of Individual Feed Intake, Body Composition, And Performance Of Performance-Tested Angus Bulls During A 14-Year Period, Claudio C. Ribeiro-Filho, Daniel D. Loy, Allen H. Trenkle, W. Darrell Busby

Beef Research Report, 2003

Two hundred fifty-five purebred Angus bulls had their performance tested by the Wardens Farm in Council Bluffs, Iowa over a 14-year period. The bulls feed intake was recorded individually, and performance and ultrasound measurements were determined. Performance and body composition data were used to estimate required feed intake by Perry and Fox (1997) model, and estimated and observed DMI were compared. Average estimated DMI was 25.84 lbs/day and average observed Dry Matter Intake (DMI) was 24.93 lbs/day. The results indicated that the model is promising in estimating feed intake of purebred Angus bulls, but a few ...