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朴弘錫,車章玉,崔亨松,李成哲 全北大學校 附設 畜産開發硏究所 1987 畜産開發硏究報告 Vol.1 No.-
To investigate Potale syrup (a malt whisky distillers soulble) as a feedstuff its nutrient contents were analyzed and compared with those of corn, soybean meal and fish meal. Then, a feeding trial was conducted with 25 Holstein milking cows divided into five groups of five animals each. For the feeding trial fermented feeds containing different levels of Pot ale syrup using Aspergillus-oryzae were made and the fermented feed were fed in replacement for the part of a commercially made milking cow concentrate mixture. According to the treatment 0,5,10 or 15% of Pot ale syrup was used in the fermented feed which was then fed at 6㎏ level together with 3㎏ of the concentrate mixture, while cows of the control group were fed 7㎏ of the concentrate mixture per day which made the same amount of dry matter consumption for all the cows. Milk production was measured everyday during the whole experimental period, but milk composition was measured during the last two weeks only. Results obtained are as follows; 1. Pot ale syrup contatined very high moisture, nearly 40%, and its pH was measured to be 4.3. The high moisture content and the low pH of Pot ale syrup were believed to be the major defect of Pot ale syrup a feedstuff. 2. On a dry matter basis, Pot ale syrup contained crude protein 31.92%, crude fiber 16.2%, crude fat 1.77% and crude ash 3.64%. The high protein content suggest that Pot ale syrup could be used as a good protein source. 3. Among mineral contents phosphorus and copper were very high, 0.57% and 137.5ppm, respectively, which indicate that Pot ale syrup is a good source of phosphorus but one must be careful with copper content of the ration when Pot ale syrup is used. 4. Amino acid content of Pot ale syrup was basically similar to that of corn, but lysine and histidine appear to be much higher. 5. Cows seemed to refuse the fermented feeds containing Pot ale syrup at the begining, but they acepted the feed graually well and their performance were as good as the control group. Cows fed the fermented feed containing 10% or 15% of Pot ale syrup appear to show even higher milk production. The drop of milk production after a certaim period during the experiment was much slower for the cows fed the fermented feeds containing Pot ale syrup when compared to that of the control group. this could be from the fact that these ration contained slightly higher protein due to te high Pot ale syrup content than the concentrate mixture. Milk fat content was slightly lower for the cows fed the fermented feeds containing Pot ale syrup but difference was not statistically significant at a 5% level.
탄닌에 의한 반추가축의 단백질 이용효율 증진에 관한 연구
허삼남,차장옥,이성운,박홍석 한국초지조사료학회 1999 한국초지조사료학회 학술대회논문집 Vol.1999 No.6
초식가축에 대한 탄닌의 이용성을 조사하기 위하여 소 반추위에 cannula를 설치하여 Lotus pedunculatus와 chicory를 넣어 시간별 condensed tannin의 변화를 조사하였다. 제 4위와 소장 내에서의 변화를 조사하기 위하여 제 1위에서 처리된 시료를 pH 4와 8에서 각각 처리하여 탄닌에 의한 단백질 이용성 증진효과를 보았다.(중략)
맹장을 제거한 성계숫닭에 의한 國內産 肉鷄 내장분말의 有效 아미노산 利用率
李乙衍,金炯浩,車章玉,朴弘錫 全北大學校 1994 論文集 Vol.38 No.-
This study was designed to compare true digestible amino acid values for broiler offal meal with available amino acid values. Broiler offal meal was each force-fed to 6 intact and 6 caecectomised adult cockerels For each test, Cockerels were starved of food for 24 h, fed, and then excreta collected for 48 h. Crude protein, ether extract and ash of broiler offal meal were 50.5%, 16.7%, and 11.7%, respectively. True digestibilities of all seventeen measured amino acids were lower for caecectomised than intact cockerels, with the average difference being approximately 0. 10. True available amino acid of broiler offa meal was higher values for cystine and aspartic acid in intact than in caecetomised cockerels. Generally leucine, isoleucine and glutamic-acid were among the most available amino acids, while cystine, aspartic acid and threonine were among the least available amino acids in broiler offal meal for caecectomised cockerels.
朴弘錫,崔辰浩,申源執,李化錫,車章玉,柳景善 전북대학교 농업과학기술연구소 1985 農大論文集 Vol.16 No.-
Two experiments were conducted to compare the effects of several growth promotants on the growing-finishing swine. In each of the both experiments a total of 120 cross-bred pigs weighing an average of about 14kg(Exp. I) or about 16kg(Exp. II) was divided into 12 pens of 10 pigs each. Each pen was assigned to one of the 3 dietary treatments with 4 replications (2 pens of males and 2 pens of females each). The 3 treatments were nomedicated control (T1), olaquindox at 50ppm during the starter period and 25ppm during the later periods (T2), and a combination of 50ppm carbadox and 30ppm morantel citrate fed during the starter and grower periods (Exp. I) or during only starter period (Exp. II), followed by 25ppm salinomycin (T3). The results obtained are summarized as follows: 1 . Medicated pigs gained generally more weight and consumed more feed than nomedicated pigs. Feed efficiency was also improved by supplementation of diets with growth promotants. 2. A combination of carbadox and morantel citrate followed by salinomycin performed slightly better than olaquindox. 3. The growth promoting effects of the antimicrobials, in general, were relatively greater during the early stage of the pig growth than during the later stage.