Effects of feeding whole crop barley silage on growth performance, feed efficiency and meat quality in Hanwoo steers

Cho, W.M.; Cho, Y.M.; Hong, S.K.; Jeong, E.S.; Lee, J.M.; Yoon, S.K.

Korean Journal of Animal Science 42(2): 181-188

2000


Accession: 003426320

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Abstract
A study was conducted to investigate the effect of feeding whole crop barley silage (WBC) on growth performance, feed efficiency and meat quality in Hanwoo steers. Forty steers were allocated to a control (C) group and fed rice straw over all periods and 4 treatment groups (T1-T4) and fed WBC and rice straw ad libitum according to treatments and allowed free access to water. Concentrates were fed at 1.5% of live body weight during 4-12 months of age, 1.8% of live body weight during 13-18 months and ad libitum after 19 months. Daily weight gain of C was lower (0.7 kg) than that of treatment groups (0.8 kg) and concentrate intake per kg gain during experimental periods in C was higher than those of treatments. Cold carcass weight in C was lower than in the other treatments except T4 but fat percentage in T2 was higher. Meat quality and yield traits of steers in T2 were higher than in the other treatments. Therefore WBC as roughage improves meat grade and growth.