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이남형,오스코푸 ( N . H . Lee,E . R . OrsKov ) 한국축산학회 1982 한국축산학회지 Vol.24 No.3
This experiment was carried out to study on the rumen outflow rate of chromium mordant barley straw and fish meal in sheep. All the animals were fed on ammonia treated barley straw diet libitum. Chromium mordant straw or fish meal was poured into the rumen. The feces were sampled for 5 days. The results obtained are as follows; 1. Chromium treatment rendered the fish meal or straw both undigestible and undegradable in the rumen. 2. The rate of outflow of fish meal from the reticulo-rumen was found to be faster than that of barley straw by 2.3 times. The rumen retention time of fish meal was varied from 23.8 to 33.3 hours with a mean of 27.0 hours while the rumen retention time of barley straw was varied from 47.6 to 100 hours with a mean of 62.5 hours.
이남형,오스코푸,김춘수 ( Nam H . Lee,E . R . OrsKov,Chun S . Kim ) 한국축산학회 1982 한국축산학회지 Vol.24 No.4
This experiment was carried out to estimate the rate of degradation of soyabean meal and fish meal when they were incubated in nylon bags in the rumens of dairy cows receiving roughage. The rate of disappearance of dry matter and nitrogen from the vegetable source of protein was greater than the rate of disappearance from animal source of protein. The dry matter and protein disappearance of protected soyabean meal was lower than those of non-protected soyabean meal.
부로일러 초생추에 있어서 강부류사료의 대사에너지 측정에 관한 연구 ( 제4보 )
이남형,김춘수 ( Nam H . Lee,Chun S . Kim ) 한국축산학회 1975 한국축산학회지 Vol.17 No.3
This experiment was conducted to study the ME values of rice bran, wheat bran, barley bran, sweet potato meal (include leaf and stem), sweet potato meal (expressed processing) by chromic oxide indicator technique in broiler chickens. The substitution level of test ingredients was 30% on the basis of air dry matter. The N-corrected ME values of rice bran, wheat bran and barley bran were 1,600, 1,489 and 2,315 ㎉/㎏ respectively. The sweet potato meal including leaf and stem and mechanically expressed sweet potato meal gave the ME values of 2,406 and 2,528 ㎉/㎏ respectively.
부로일러 초생추에 있어서 박류의 대사에너지 측정에 관한 연구 ( 2 )
이남형,김춘수 ( N . H . Lee,C . S . Kim ) 한국축산학회 1973 한국축산학회지 Vol.15 No.2
To determine metabolizable energy values for domestic fish meal, silk warm pupae, linseed oil meal, cotton seed oil meal, corn gluten meal, single cell protein by chromic oxide indicator method, 105 irds of a commercial broiler at 4 weeks age were employed in this experiment. The results obtained are summarized as follows: 1. The linear standard curve of chromic oxide at 430mμ has the equation form of Y=0.395X. 2. It was shown that corrected metabolizable energy per gram of domestic fish meal, linseed oil meal, cotton seed oil meal, silk warm pupae, corn gluten, single cell protein were, respectively, 2,776 ㎉, 1,081 ㎉, 1,471 ㎉, 5,550 ㎉, 3,106 ㎉, 2,246 ㎉. 3. In body weight gain and feed efficiency, corn gluten group was superior to the ethers and linseed oil meal group was significantly lower than the others.
이남형,오스코푸 ( Nam H . Lee,E . R . OrsKov ) 한국축산학회 1982 한국축산학회지 Vol.24 No.4
This experiment was carried out to compare the effect of ammonia gas and aqueous ammonia as well as the effect of levels (2.5% or 3.5%) on the digestibility of the barley straw by sheep. The results obtained are as follows: 1) There were no significantly different among treatments in the digestibility of dry matter, organic matter and nitrogen of ammonia treated barley straw 2) The degradation of dry matter of barley straw was increased from 40.66% to 60.26% by ammonia treatment after incubation of 72 hours in the rumen. 3) The voluntary feed intake of ammoniated barley straw in the sheep was shown similar pattern among the treatments regardless of the type and the levels of ammonia application. This result of the experiment indicates that the nutritive value of barley straw could be increased by the use of 2.5% ammonia gas or aqueous ammonia
면양의 제1위내 미생물 단백질합성에 미치는 요인과 소장에서 아미노산 이용에 관한 연구 2 . 소장에서 아미노산 이용
이남형,암스트롱 ( Nam Hyung Lee,D . G . Armstrong ) 한국축산학회 1985 한국축산학회지 Vol.27 No.8
This experiment was conducted to examine the effects of different carbohydrate source and nitrogen source upon the utilization of amino acids in the small intestine of sheep. The results obtained are as follows: 1) For the quantities of TAA-N, EAA-N and NEAA-N passing at the duodenum and ileum except NEAA-N passing at the ileum were no significant differences (p$gt;0.05) between diets. The quantities of NEAA-N passing at the ileum for the diets containing meat and bone meal were significantly higher (P$lt;0.05) than the diets containing soyabean meal. The mean values for the proportionate disappearance apparently digested TAA-N, EAA-N and NEAAN within the small intestine for four diets were 0.692±0.0449, 0.702±0.0132, and 0.682±0.726, respectively. 2) There were no significant differences (p$gt;0.05) in duodenal individual amino acid flow between diets with the exception of aspartic acid and glycine. The amounts of each amino acid in duodenal digesta, expressed as a proportion of the amounts ingested for the four diets, were shown that there were net gains of EAA with the exception of arginine and NEAA with the exception of glutamic acid, glycine and proline prior to the small intestine. 3) Within the small intestine, there were no significant losses of each EAA (p$gt;0.05) but significant losses of aspartic acid and glycine of NEAA between diets (p$lt;0.01). The mean values of the proportionate losses of methionine, alanine and lysine within the small intestine were 0.816±0.04, 0.767±0.04, and 0.732±0.01, respectively.
보리짚의 사료가치 증진에 관한 연구 제2보 보릿짚 싸이레지가 한우의 성장능력에 미치는 영향
이남형,김춘수,정창조,육종융 ( Nam Hyung Lee,Chun Su Kim,Chang Cho Choung,Chong Yung Yuk ) 한국축산학회 1978 한국축산학회지 Vol.20 No.2
Two experiments were carried out to study the feeding value of barley straw silage for Korean cattle. For the first feeding trial, it was conducted for 100 days to evaluate the growing performance in twenty bulls with 150㎏ body weights and barley straw silage with alkaline treatment was substituted with wheat bran at the level of 10%, 20%, 30% on the dry basis. Far the second feeding trial, it was conducted for 90 days to evaluate the growing performance in 24 bulls with 200㎏ body weights, and barley straw silage was substituted with wheat bran at the level of 20% and 30% on the dry basis. In this trial the alkaline treated straw was once neutralized before the silage. Each experiment also included the treatment which raw barley straw with grinding was replaced for wheat bran at 20% level. The results obtained was summarized as fellows: 1. In the first feeding trial, the barley straw silage group responded favorably over the ground raw straw fed group but shored less body weight gain and the TDN intake was less compared with control group, decreasing as to increase the level of silage incorporation. But it was not significantly differences between control and silage groups. 2. In the second feeding trial, it was resulted in more weight gain and better feed efficiency of the straw silage group over the control (P$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.
볏짚 - 계분 싸일레지 급여가 한우의 비육능력에 미치는 영향
이남형,김춘수 ( Nam Hyung Lee,Chun Su Kim ) 한국축산학회 1980 한국축산학회지 Vol.22 No.5
This experiment was carried out to study the effect of rice straw-manure silage containing ryegrass forage, corn meal, or raw rice bran on the fattening performance of Korean cattle at farm condition. Nine Korean bulls with mean weight of 230㎏ were used for the trial from August, through November 1979 in Ansong villege, Kyong Ki province. The results obtained are as follows 1. Proximate composition, acid detergent fiber (ADF), and hemicellulose content showed little differences between straw-manure silage containing ryegrass forage and corn meal. However, crude protein, crude fat and volatile fatty acid content of straw-manure silage containing raw rice bran was higher than others. Analysis of silage with raw rice bran showed 4.15% of crude protein, 2.74% of crude fat, 1.15% acetic acid and 2.04% of lactic acid. All alkali treated straw-manure silages are high in butyric acid and propionic acid. pH values in the silages with raw rice bran, ryegrass forage and corn meal are 5.42, 5.83, and 5.58, respectively. 2. In the feeding trial, the animals receiving. straw-manure silage with ryegrass forage showed best performance with daily gain of 1.38㎏ arid feed efficiency of 5.51. However, the groups receiving. the straw-manure silage with corn meal or rice bran revealed daily gain of 1.16 or 1.29㎏ while the feed efficiency was 6.54 and 6.04, respectively.