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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.
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.
여러가지 산란계 사료 첨가제가 계란의 IgY 수준과 산란율에 미치는 영향
이남형,노정해,한찬규,성기승 한국축산학회 1999 한국축산학회지 Vol.41 No.2
Breeding tests were performed in order to obtain high IgY eggs from laying hens by producing 5 specially formulated feeds(supplemented with 4% garlic powder, 2% or 4% Kelp meal, 2% sea tangle powder or Se(0.5 ppm) + Vit. E(300% NRC standard). Supplemients tended to decrease laying rates. The result of average IgY contents in the whole experimental period showed that the 4% kelp meal treated group had much higher IgY value than the other groups. Especially, the result of the last week revealed that only the 4% kelp meal treated group and 2% sea tangle treated group had higher values than the control group. The IgY value of the 4% kelp treated group was higher than that of the control group by 10%, and the increase was presumed to be manifested by extending the experimental period. To increase the total IgY content, another breeding test was performed with three supplements(2% ginger, 0.5% cinnamon, or 2% mint). A high IgY content was detected for cinnamon and mint-added groups without decreasing the of laying rates.
개미산 또는 개미산과 훠름알데하이드를 처리한 목초 싸일레지가 Jersey 미경산우의 제1위내 미생물 단백질 합성과 단백질 분해율에 미치는 영향
이남형,루크,암스트롱 ( Nam Hyung Lee,J . A . Rooke,D . G . Armstrong ) 한국축산학회 1985 한국축산학회지 Vol.27 No.8
The aim of the experiment was to assess the effect of applying formic acid at ensilage or formic acid/formaldehyde to the standing crop of herbage before ensiling upon the subsequent digestion of the silages by Jersey heifers. Unwilted grass silages were made from perennial rye; rass ensiled at a DM of 220㎏^(-1) with application of 2.22 liters ton of formic acid and wilted grass silages was made by spray to the standing crop of herbage with 90 liters ㏊^(-1) of a solution containing 50 liter formalin, 500㎖ of 10% Tween 20, and 2.5 liter water giving an application rate of 61g formaldehyde ㎏^(-1) herbage crude protein. The silages were fed to cattle equipped with rumen cannulae and duodenal re-entrant cannulae. Results from fermentation in the rumen and from the digestion of organic matter showed major differences between silages. The efficiency of rumen microbial nitrogen synthesis was also affected by additive treatment. Microbial N synthesized per ㎏ organic matter apparently digested in the rumen was 20g for the formic acid silage and 17.68 for the formic acid/formaldehyde silage. Degradability of feed N in the rumen was similar for two silages.
이남형,한찬규,이복희 한국축산학회 1999 한국축산학회지 Vol.41 No.3
This study was conducted to examine biofunctional components enriched in brand eggs collected from local markets. Egg samples were collected 2 times each for the first half and the second half of the year of the experimental period. Eggs were broken to measure for weight of whole egg and egg yolk and then kept in refrigerator until analyses for physical properties of eggs and specially enriched components of different types of brand eggs. Haugh unit was similar between plain and brand eggs. Yolk color measured by Roche color fan scale was 7.0 for plain eggs and 9.2 for brand eggs, respectively. The egg shell thickness was 0.365mm for plain eggs and 0.379mm for brand eggs. Vitamin E contents of vitamin-enriched brand eggs were ranged from 102.51 to 162.39 ㎍/g yolk for the first half year and ranged from 34.27 to 151.14 ㎍/g yolk for the second half year. Vitamin A contents of vitamin-enriched brand eggs were ranged from 11.98 to 23.21 ㎍/g yolk, which were higher(P$lt;0.05) than those of plain eggs(17.21㎍/g yolk). Selenium and iodine contents of mineral-enriched brand eggs were 9.17 ± 1.57 ㎍/g yolk and 70.52 ± 29.66 ㎍/ g yolk, respectively and these values were significantly higher(P$lt;0.05) than those of plain eggs(5.73㎍/g yolk for selenium; 6.47㎍/g yolk for iodine). The IgY(yolk immunoglobulin) contents of mineral-enriched brand eggs were 6.43±1.65㎎/g yolk, and IgY values were somewhat higher than those of plain eggs(4.60 ± 1.45㎍/g yolk). Contents of ω-3 fatty acids in ω-3 fatty acid-enriched eggs were ranged from 2.51% to 10.15%(average 4.67%), which are higher(P$lt;0.05) than those of plain eggs(average 1.83%). Cholesterol contents of brand eggs were 12.01 ±0.66㎎/g, and they did not show any difference from those of plain eggs(12.05㎎/ g yolk).
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