Phenotypic correlations of the residual intake and gain with ultrasound carcass traits and other feed efficiency measures in Nellore cattle.
Phenotypic correlations of the residual intake and gain with ultrasound carcass traits and other feed efficiency measures in Nellore cattle.
Author(s): GOMES, R. da C.; SILVA, S. L.; SANTANA, M. H. A.; FERRAZ, J. B. S.; ROSSI JR, P.; LEME, P. R.
Summary: The residual feed and gain (RI&G) was recently reported as an alternative feed efficiency trait in beef cattle; however, associations of RI&G with carcass traits have not been described. The aim was to evaluate the phenotypic correlations of RI&G with ultrasound carcass traits in Nellore bulls and steers. Individual dry matter intake (DMI) and average daily gain (ADG) were computed in Nellore steers (n = 267, 20-mo old; 346 ± 30 kg initial BW) and bulls (n = 277, 22-mo old; 391 ± 40 kg initial BW) in performance tests that were carried out from 2005 to 2011.
Publication year: 2012
Types of publication: Abstract in annals or event proceedings
Unit: Embrapa Beef Cattle
Keywords: Bovino de corte, Nutrição Animal
Observation
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