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RISS 인기검색어
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- 저자 : 육종융 ( Nam Hyung Lee (검색결과 3 건)
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볏짚의 사료가치 증진에 관한 연구 제2보 발효 볏짚 사료가 비유우의 산우량에 미치는 영향
이남형,김춘수,육종융 ( Nam Hyung Lee,Chun Su Kim,Chong Yung Yuk ) 한국축산학회 1977 한국축산학회지 Vol.19 No.5
A feeding experiment was conducted for 2 months to evaluate the nutritive value of either fermented or alkali treated rice straw for lactating dairy cattle. Twelve mature Holstein cows were divided into 3 groups according to their age, body weight and previous production record. They were, then randomly assigned to one of three treatments. Three treatments consisted of control, fermented and, alkali treaty group. The control diet was 100% formula feed while the experimental diets were consisted of 85% formula feed plus either of 15% fermented or alkali treated rice straw on the dry weight basis. All animals were fed identical roughages according to NRC standard. The results obtained were as follows: 1. Average daily milk production for control, fermented and alkali straw groups were 15.8, 16.0 and 16.1 ㎏, respectively. 2. Feed costs per ㎏ of milk produced were estimated to be 40.1 won for the control, 38.7 won for the fermented and 36.8 won for the alkali treated straw group. These differences were not statistically significant.
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보리짚의 사료가치증진에 관한 연구 제1보 화학적 , 물리적 , 처리가 보리짚의 소화율에 미치는 영향
이남형,김춘수,정창조,육종융 ( Nam Hyung Lee,Chun Su Kim,Chang Cho Choung,Chong Yung Yuk ) 한국축산학회 1978 한국축산학회지 Vol.20 No.2
Present experiment was carried out to study the effects of chemical or physical treatment on the digestibility of barley straw. The results obtained were as follows: 1. The content of NDF and ADF was not different between rice and barley straw. The content of indigestible components (lignin and silica) in barley hull was lower than the barley and rice straw. 2. In vivo dry matter digestibility and TDN value in the alkaline treated barley straw was improved as sodium hydroxide level increased (0%, 2%, 4%). Feeding value of steam-alkaline treated straw was higher than the non-steam alkaline treated straw (Table 3) 3. When molasses and tallow were added in at 10 and 3% respectively to increase the energy content of barely hull 40% base pellet diet, TDN value was comparable with commercially available compound feed (TDN 75.6), but TDN-feed cost relative inlet was 88% of the compound feed. As increasing the level of tallow over 3%, feeding the barley-hull base diet became less favorable due to the poor acceptability.
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보리짚의 사료가치 증진에 관한 연구 제2보 보릿짚 싸이레지가 한우의 성장능력에 미치는 영향
이남형,김춘수,정창조,육종융 ( Nam Hyung Lee,Chun Su Kim,Chang Cho Choung,Chong Yung Yuk ) 한국축산학회 1978 한국축산학회지 Vol.20 No.2
Two experiments were carried out to study the feeding value of barley straw silage for Korean cattle. For the first feeding trial, it was conducted for 100 days to evaluate the growing performance in twenty bulls with 150㎏ body weights and barley straw silage with alkaline treatment was substituted with wheat bran at the level of 10%, 20%, 30% on the dry basis. Far the second feeding trial, it was conducted for 90 days to evaluate the growing performance in 24 bulls with 200㎏ body weights, and barley straw silage was substituted with wheat bran at the level of 20% and 30% on the dry basis. In this trial the alkaline treated straw was once neutralized before the silage. Each experiment also included the treatment which raw barley straw with grinding was replaced for wheat bran at 20% level. The results obtained was summarized as fellows: 1. In the first feeding trial, the barley straw silage group responded favorably over the ground raw straw fed group but shored less body weight gain and the TDN intake was less compared with control group, decreasing as to increase the level of silage incorporation. But it was not significantly differences between control and silage groups. 2. In the second feeding trial, it was resulted in more weight gain and better feed efficiency of the straw silage group over the control (P$lt;0.01). Therefore, the alkaline treated barley straw which was once acid-neutralized before the ensilage was improved over the previous non-neutralized silage.
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