Prediction of weight and percentage of retail cuts in nellore cattle using ultrasound measurements - Silva, Saulo da Luz e; Leme, Paulo Roberto; Putrino, Soraia Marques; Martello, Luciane Silva; Borgatti, Laura Maria Oliveira; Luchiari Filho, Albino; Lanna, Dante Pazzanese Duarte (World Conference on Animal Production, 2003)