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http://dx.doi.org/10.5333/KGFS.2012.32.2.175

Effect of Different Forages on Growth Performance, Meat Production and Meat Quality of Hanwoo Steers : Meta-analysis  

Cho, Sang-Buem (Department of Animal Science, Chonbuk National University)
Lee, Sang-Moo (Department of Animal Science and Biotechnology, Kyungpook National University)
Kim, Eun-Joong (Department of Animal Science and Biotechnology, Kyungpook National University)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.32, no.2, 2012 , pp. 175-184 More about this Journal
Abstract
In the present study, the effects of feeding different forage sources on the growth performance, meat production and meat quality of Hanwoo steers were evaluated using meta-analysis. In total 5 studies that were performed and published in the domestic journals in Korea were employed for the analysis. The results from nutritionally better quality roughage-based steers and rice straw-based steers in each study were assigned as a treatment and a control, respectively, and the mean difference between the treatment and the control was used for the evaluation of effect size. The summary effect was calculated using random effect model. As results, in growth performance, positive effects were found in feed intake, daily weight gain, final body weight and feed efficiency. The significant effect was found only in daily weight gain (p<0.05). In meat production, carcass weight, Longissimus dorsi area, yield index showed positive effect and negative effect was detected in back fat thickness. The significant effect in meat production was found in carcass weight and Longissimus dorsi area (p<0.05). In meat quality, positive effects were represented in marbling score and fat color. Meat color showed little effect. The significance for effects was not observed in the analysis of meat quality. In conclusion, feeding good quality forages to ruminants plays an important role in Korean beef cattle industry and hence further researches are necessary to improve the efficiency of forage utilization in Hanwoo cattle.
Keywords
Forage; Rice straw; Meat quality; Growth; Meta-analysis;
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Times Cited By KSCI : 6  (Citation Analysis)
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