Article
Using live animal ultrasound measures of ribeye area and fat thickness in yearling Hereford bulls.
Journal of animal science - 1 Nov 1990
Turner J W, Pelton L S, Cross H R
Abstract excerpt
Ultrasonic measurements of fat thickness (FAT) and ribeye area (REA) were analyzed together with weight (WT), scrotal circumference (SC) and age data from 385 yearling Hereford bulls representing 45 sires. Additional variables created were 100*REA/WT (REACWT) and 365-d adjusted REA (AREA). Multiplicative age adjustment for AREA was calculated from linear regression of REA on age. Heritabilities were .45 +/- .17...
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