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BACKFAT STUDIES IN GROWING-PIGS .2. A COMPARISON OF ULTRASOUND AND RULER PROBE PREDICTORS OF BACKFAT AND EYE-MUSCLE MEASUREMENTS IN THE LIVE PIG
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COMPARISON OF 4 ULTRASONIC MACHINES (SONATEST, SCANOGRAM, ILIS OBSERVER AND DANSCANNER) FOR PREDICTING THE BODY-COMPOSITION OF LIVE PIGS
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