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지설하,홍명기,백윤기,유문일 ( S . H . Chi,M . K . Hong,Y . K . Paik,M . I . Yoo ) 한국축산학회 1973 한국축산학회지 Vol.15 No.3
The studies were carried out to find out the effects of different fattening methods when raising on the native grassland with different levels of concentrates was compared with that on improved grassland. The results obtained are as follows: 1. The daily gain per head during the raising period on improved grassland(control group) was 0.948㎏, while that on native grassland without concentrates(treatment 1), with standard amounts of concentrates(treatment 2) and with ad libitum feeding of concentrates(treatment 3) were 0.325㎏, 0.542 and 0.89㎏ each, respectively. 2. The daily gain per head during the fattening period in control group, in treatment 1, in treatment 2 and in treatment 3 were 1.4㎏, 1.7㎏, 1.7㎏ and 1.6㎏ each, respectively, and also showed no significant difference. 3. For the economics, the net income per head in control group, in treatment 1, in treatment 2 and in treatment 3 were 69,856 won (100%), 67.830 won (97%), 64,754 won (93%) and 50,020 won (72%) respectively. The best return among the experimental groups was attained at T1, with 97% of control value actually earned.
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