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RISS 인기검색어
- 검색키워드
- 저자 : Ki Teag Nam (검색결과 4 건)
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남인식(In-Sik Nam),장경만(Kyeong-Man Chang),허병무(Byoung-Moo Heo),양영석(Young-Seok Yang),박성민(Seong-Min Park),손용석(Yong-Suk Son),남기택(Ki-Teag Nam) 한국농식품정책학회 2016 농업경영정책연구 Vol.43 No.4
Only 1.5% of dairy farms in Korea is using AMS due to high cost and the limited information about the AMS. In this study, we surveyed an awar-eness and adoption attitude of the AMS. All data were collected from eighty dairy farms there they are using conventional milking systems (CMS). Nearly half of dairy farmers (49 farms) already knows about AMS and almost 20% of CMS farms answered to be heard the AMS. The main reason to adopt AMS was for reducing workforce on dairy farm. However, most of dairy farms have the budget problems to buy AMS. In conclusion, if the Korean government support some budget for AMS adaptation or development of inexpensive AMS, the rate of AMS dairy farm will increase up to 20% like EU country.
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병아리에서 탈지미강과 컴프리 ( Symphytum Peregrinum ) 분말의 에너지이용
신인수,남기택,황성구,고태송 ( In Soo Shin,Ki Teag Nam,Seong Koo Hwang,Tae Song Koh ) 한국축산학회 1986 한국축산학회지 Vol.28 No.9
In order to investigate energy utilization of defatted rice bran and Comfrey (Symphytum Paregrinum) meal, hatched single comb White Leghorn male chicks were fed for 10 days on a commercial chick mash and for the subsequent 10 days on diets containing 17.0 % of cellulose, wheat bran, defatted rice bran and Comfrey meal, respectively. During experimental feeding period, daily body weight gain did not show significant differences among treatments though birds fed defatted rice bran diet consumed more diet than those fed Comfrey diet. And protein retention did not show significant differences while buds fed Comfrey diet retained lower lipids than those fed other diets. Ratio of metabolizable energy to gross energy(MEn/GE) of cellulose diet was lower than those of defatted rice bran and wheat bran diets. And the ratio of productive energy to MEn(PE/MEn) was not affected by the experimental diets though increasing tendency in wheat bran diet and decreasing tendency in defatted rice bran diet were found. MEn of wheat bran, defatted rice bran and Comfrey meal were 43.2, 34.2 and 9..0 % of GE, respectively, and contained 0.594, 0.018 and -0.023 ㎉ of PE per gram dry matter, respectively. Thus defatted rice bran and Comfrey meal were not utilized for productive energy. MEn intake and heat production per metabolic body size(㎏^(0.75)) was higher in birds fed defatted rice bran diet and lower in birds fed Comfrey diet compared with those of cellulose or wheat bran diets. The results indicated that unknown substances might be contained in defatted rice bran to increase heat production and in Comfrey meal to decrease feed intake.
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병아리에서 탈지미강 ( 脫脂米糠 ) 과 컴프리 ( Symphytum Peregrinum ) 단백질의 생물학적 이용
신인수,남기태,황성구,고태송 ( In Soo Shin,Ki Teag Nam,Seong Koo Hwang,Tae Song Koh ) 한국축산학회 1986 한국축산학회지 Vol.28 No.7
In order to investigate the biological utilization of defatted rice bran and Comfrey (Symphytum Peregrinum) meal protein, single comb White Leghorn male chicks were fed for the first 10 days on a commercial chick mash, For the subsequent 6 days on protein-free diet and for the next 6 days on the protein-free diet and diets substituted 17.0% of defatted rice bran and Comfrey meal with cellulose of the protein-free diet, respectively. Daily weight gain of the chicks fed protein-free diet was -5.2 g and those of the birds fed defataed rice bran and Comfrey meal diets were -1.3 and -2.3 g, respectively. Birds fed defatted rice bran consumed 76.6 g of diet which is greater than 47.2 g consumed by those fed Comfrey meal diet. Defatted rice bran and Comfrey protein were evaluated to be -0.46 and -1.13 for protein efficiency ratio, 1.42 and 1.36 for net protein ratio and 87.3 and 89.2 % for biological value. Protein digestibility and net protein utilization of defatted rice bran was higher compared with those of Comfrey .meal. The results indicated that Comfrey meal may contain an unknown substance which might have influenced feed intake and protein digestibility.
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병아리에서 단백질의 생물학적이용성에 미치는 비단백태질소의 영향
고태송,김영범,서인준,남기택 ( Tae Song Koh,Young Bum Kim,In June Suh,Ki Teag Nam ) 한국축산학회 1985 한국축산학회지 Vol.27 No.12
In order to investigate an effect of non-protein nitrogen (NPN) on the biological utilization of protein, hatched single comb White Leghorn male chicks were fed for the first 8 days on a commercial chick mash, followed by 6 days on protein-free diet and the subsequent 6 days on the protein-free diets and protein diets containing 10.59% of crude protein supplemented with 0, 0.5, I.0 and I.5% of urea, respectively. When chicks fed protein-free diets, feed intake was lowered gradually as urea contents of diets were increased, while body weight loss was not altered. Protein efficiency ratio (PER) and net protein ratio (NPR) were increased in the order of the increasing level of urea in diet. Nitrogen balance were in negative balance while the values were increased with the increasing urea vontents in diets. Digestibility of nitrogen were lowered along with the increasing contents of urea, but biological value (BV) and net protein utilization (NPU) was found a trend to be high in birds fed 1.5% of urea. When birds fed protein diets, body weight gain and feed intake were not different among birds fed the graded levels of urea although feed conversions were trended to be high along with the increasing urea contents. The PER and NPR were lowered in the order of the increasing level of urea. Nitrogen balance and urinary nitrogen excretion was highered as urea levels of diets increased while fecal nitrogen excretion were not altered. BV and NPU of protein were found a tendency to be high in birds fed protein diets added with 0.5% of urea.
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