Study on Comparison of Growth Performance, Feed Efficiency and Carcass Characteristics for Holstein and F1(Holstein♀×Hanwoo♂) Steers and Heifers
2005
Kang, S.W. (National Livestock Research Institute, RDA, Suwon, Republic of Korea), E-mail: [email protected] | Son, Y.S. (Korea University, Seoul, Republic of Korea) | Oh, Y.K. (National Livestock Research Institute, RDA, Suwon, Republic of Korea) | Kim, K.H. (National Livestock Research Institute, RDA, Suwon, Republic of Korea) | Choi, C.W. (National Livestock Research Institute, RDA, Suwon, Republic of Korea)
Present study was conducted to investigate the optimal feeding levels for producing the high quality meat on the basis of the information deriving from the comparison of the growth performance and carcass characteristics among breeds(Holstein vs F1, Holstein♀×Hanwoo♂), sex(steer vs heifer) and interaction between breed and sex. Thirty two animals on 4 treatments(i.e. eight head each) were used for 540 days from seven to 24 months of age. The results obtained are summarized as follows; the range of average daily gains was 0.733 to 1.018, 0.994 to 1.255, 0.947 to 1.259 and 0.736 to 0.824 kg for the growing, the early-fattening, the mid-fattening and the finishing periods, respectively.
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