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http://dx.doi.org/10.5187/JAST.2006.48.2.247

Effects of Feeding Levels of Barley Grains on Growth Performance and Carcass Characteristics of Hanwoo Bulls  

장선식 (National Livestock Research Institute, RDA)
홍성구 (National Livestock Research Institute, RDA)
이병석 (National Livestock Research Institute, RDA)
조영무 (National Livestock Research Institute, RDA)
조원모 (National Livestock Research Institute, RDA)
권응기 (National Livestock Research Institute, RDA)
백봉현 (National Livestock Research Institute, RDA)
송만강 (Chungbuk National University)
Publication Information
Journal of Animal Science and Technology / v.48, no.2, 2006 , pp. 247-254 More about this Journal
Abstract
The present study was carried out to determine the effects of feeding levels of barley grain in diets of Hanwoo on the growth performance and carcass characteristics of Hanwoo. Twenty Hanwoo bull calves (initial mean body wt. 99kg) were randomly divided to examine the effects of 5 feeding levels of barley grains(addition levels: 0, 0 and 40% for FII40; 0, 0 and 60% for FII60; 0, 20 and 40% for F2040; and 0, 20 and 60% for F2060 during the growing, early fattening and late fattening periods, respectively) on growth performance and meat quality. Body weight was not affected by the feeding level of barley grains through the whole experimental period, although the body weight of Hanwoo bulls fed FII40 diet at 24 months old of age tended to be lower(591.5kg) than that of other animals(606.2～614.6kg). However, body weight gain in the bulls of the FII60 diet was slightly increased(P<.19). The feeding levels of barley grains did not influence on fasting body weight, carcass weight, carcass rate, lean meat, retailed cut, KPH fat and bone yield. The lean meat yield(89.82%) and fat yield(20.28%) tended to increase in Hanwoo bulls fed the F2060 compared with other treatments. Feeding of the diets of FII40 resulted in the higher marbling scores as 3.75, respectively than other diets.
Keywords
Hanwoo bulls; Barley; Feeding level; Beef quality;
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