期刊
MEAT SCIENCE
卷 107, 期 -, 页码 94-103出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.meatsci.2015.04.016
关键词
Concentrate; Cereal straw; Total mixed ration; Limousine; Retinta
A total of 100 young bulls were allotted a 2 x 2 factorial arrangement of treatments to determine the effect of the feeding system (concentrate and wheat straw: T; total mixed ration comprised of the same concentrate, maize silage and wheat straw: TMR) and breed (Limousine: LI; Retinta: RE) on growth performance, carcass characteristics and meat quality. The diets were administrated ad libitum for 193 days. The average daily weight gain was similar (P > 0.05) for both diets, while the LI bulls grew significantly (P < 0.05) more than RE. T bulls showed higher L*, a* and rib bone percentage. TMR bulls showed higher carcass yield, conformation and fatness, and greater changes in ultrasound measurements, except Delta UGMD and rib fat percentage. Instrumental meat quality, except shear force at 1 and 21 days of ageing, was not affected (P > 0.05) by the diets. Breed significantly affected most of the analyzed characteristics. (C) 2015 Elsevier Ltd. All rights reserved.
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