http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
땅콩짚의 NaOH 처리에 의한 사료가치 개선에 관한 연구
명규호,김용식,선상수 ( K . H . Myung,Y . S . Kim,S . S . Sun ) 한국축산학회 1986 한국축산학회지 Vol.28 No.2
To evaluate the effect of NaOH treatment on peanut straw of the different parts, chemical composition, in vitro dry matter digestibility (IVDMD, %) and in vitro organic matter digestibility (IVOMD, %) were tested. The parts of peanut straw were devided into four parts of blade, stem, hull and whole straw. The results obtained are summarized as follows; 1. The blade contained more crude protein, crude fat, nitrogen free extract and crude ash, but reverse phenomina were observed in the contents of crude fiber and cell wall constituents than the others. 2. In vitro dry matter digestibilities (IVDMD, %) of the four parts of NaOH-treated peanut straw were highly significantly different (p$lt;0.01) in different levels of NaOH treatment and of in vitro times. 3. In vitro organic matter digestibilities (IVOMD, %) of the four parts of peanut straw were showed the same tendency with the IVDMD`s (%).
진정이용 ( 眞正利用 ) 광물질 측정방법에 의한 칼슘이용성 측정에 관한 연구 1 . 산란 메추리의 칼슘요구량 측정
명규호,선상수,김용식 ( K . H . Myung,S . S . Sun,Y . S . Kim ) 한국축산학회 1983 한국축산학회지 Vol.25 No.6
This experiment was conducted to determine the calcium requirement in the determination of calcium availability. Forty breeding Japanese quails of 13 weeks of age were randomly alloted to 10 calcium input levels(0.240,400,480,560,640,720,800,1000 and 1200㎎) with four replicates of one bird each. After the calcium fasting period of 24hr, the calcium unfed group (Omg) was fed the experimental diet to determine the metabolic fecal calcium (FmCa) plus endogeneous urinary calcium (UeCa), however, the calcium fed groups were forcedly fed the known amounts of calcium into the crop and fed the experimental diet afterward for 48hours. The results of the present study were summarized as follows. 1. According to the results of performance during experimental period, body weight, calcium devoid diet intake and excreta weight of tested birds were not significantly affected by the calcium input level. 2. The relationship between calcium excreta and input of 0 to 400㎎ was not showed, however, the highly correlation (P$lt;0.01) was found between calcium excreta and input of 480 to 1200㎎. The correlation equation between calcium excreta and input of 480 to 1200㎎ was Y = 0.9311 X - 463.6012 (r=0.9929**). 3. The maintenance requirement(FmCa+UeCa) of calcium was 0.71㎎ and production plus repletion requirement of that was 497.9 ㎎ for breeding quails. Therefore, the total calcium requirement of a breeding quail was 498.6㎎ in the determination of calcium availability. In conclusion, it could be said that a 72hours experimental period did not affect to body weight, calcium devoided diet intake and excreta weight of tested birds, and that the total requirement was 498.6㎎ in the determination of calcium availability.
브로일러 병아리의 아미노산 요구량에 관한연구 1 . 필수아미노산의 적정 급여비율 결정
명규호,한인규,박종만,나현채 ( K . H . Myung,I . K . Han,C . M . Park,H . C . Na ) 한국축산학회 1985 한국축산학회지 Vol.27 No.5
A series of experiments was conducted to determine how the essential amino acids in a corn-soybean diet should be proportioned for maximum growth during the second week posthatching. The diet contained 23% protein made up to 11.15% contributed by conventional ingredients and 11.85% protein in the form of free amino acids. Once the level of an amino acid giving maximum response was established, this level was used in all subsequent experiments. Most amino acids found to be required were lower than the levels of the corresponding amino acids in the starting diet formulated to meet the requirements of NRC (1977). The results indicated that growing broiler chicks require not more than 1.24% argine, 1.30% glycine plus serine, 0.80% isoleucine, 1.10% lysine, 0.40% methionine, 0.63% phenylalanine, 0.72% threonine, 0.17% tryptophan and 0.99% valine.
명규호,박종만,한인규 ( Kyu H . Myung,C . M . Park,In K . Han ) 한국축산학회 1980 한국축산학회지 Vol.22 No.5
This experiment was carried out to investigate appropriatencess in application of NRC (1977) protein requirement for broiler chick in Korea. Growth rate, feed efficiency, nutrient utilizability and feed cost affected by dietary protein levels(23-21%, 11-19%, 19-17% and 17-15% respectively in starting and finishing period) and sexes were examined. Results obtained from the present study can be summarized as follows: 1. It was found that growth rate was significantly improved (P$lt;0.01) as the dietary protein level was increased. Significant differences in growth rates of both male and female were found among all the different protein levels (P$lt;0.05). 2. Significantly less feed (P $lt;0.05) has been consumed by the chicks fed low level of dietary. protein in both male and female. Male consumed slightly more feed than female did, and significance was found at only 19-17% dietary protein level (P$lt;0.05). 3. No statistical difference (P$lt;0.05) was found among protein levels or between both sexes except female at 23-21% dietary protein level. But feed efficiency was improved Tightly as the level of dietary protein increased. 4. Utilizability of dry matter, crude protein, ether extract and NFE in the rations have been slightly improved with increment of dietary protein level. Increasing the dietary protein level resulted in improved nitrogen retention. 5. Feed cost per ㎏ body weight gain of chicks was the cheapest when the dietary level of protein was the lowest, and that of male was cheaper than that of female.
암모니아가스 처리 볏짚의 반추위내 소화과정에 대한 주사형 ( 走査型 ) 전자현미경적 연구
명규호(Kyu Ho Myung),김윤수(Yoon Soo Kim),김용식(Yong Sik Kim) 한국축산학회 1987 한국축산학회지 Vol.29 No.11
The experiment was carried out to investigate how ammoniation could affect the digestive patterns and the digestibility of rice straws using in situ technique, and scanning electron and light microscope. It was noted that ammoniation of rice straws significantly improved the digestibility at all digestion times of in situ study. The rice straws consisted of epidermis, sclerenchyma and vascular bundles with tightly packed parenchyma cells, and the stems were surrounded with intact leaf sheaths. Degradation of rice stems began with parenchyma, and proceeded to the vascular bundles and inner cuticle. Sclerenchyma and epidermis resisted degradation more than parenchyma and vascular bundles. The ammoniation during 24 hrs digestion resulted in the total degradation of parenchyma cells, Vascular bundles and inner cuticle in the ammoniated rice straws subjected to 48 hrs in situ digestion were completely digested. However, no further degradation was observed in the ammoniated stems for 72 hrs-incubation, although sclerenchyma cells were slightly broken apart into fiber cells. It is noted that ammoniated stems digested 24 hrs were much more degraded than the control samples for 72 hrs. In addition, LM observations indicated that tissues giving an acid phlorglucinol reaction for lignin appareed to totally resist attack by rumen microbes. Conculsively, ammoniation of rice straws greatly increased the amount of ground parenchyma, vascular bundles and inner cuticle digested, but had little effect on the highly lignified sclerenchyma and epidermis.
재래닭의 근육 성장과 관련되는 cDNA Clone의 염기서열 및 특성
선상수,명규호,국길,김남오,Sun, S.S.,Myung, K.H.,Kuk, K.,Kim, N.O. 한국가금학회 2006 韓國家禽學會誌 Vol.33 No.4
본 연구는 재래닭의 성장 관련 유용 유전자를 검색하기 위하여, 재래닭에서 발현되는 유전자와 코니쉬에서 발현되는 유전자를 subtraction하여 cDNA library를 구축하고, 염기서열을 밝혀서 재래닭 특이 유용 유전자를 검증하고자 하였다. cDNA library에서 얻은 clone들의 염기서열을 분석하여 나타난 결과를 5개의 clone을 비교 분석하였다. Clone NDS-1(618nt)은 비록 타 종과의 상동성은 낮으나(10%) 해당 과정에서 중요한 역할을 담당하는 triosephosphate isomerase이며, Clone NDS-6(651nt)는 자에서 해당 과정에 관여하는 glyceraldehyde-3-phosphate dehydrogenase로 여겨진다. 그러나 3가지 유전자(clone NDS-2, NDS-10, NDS-12)는 다른 유전자들과 비교하여 5.0%내외의 낮은 상동성을 보이고 고등 동물과 거의 유사성이 없으므로 재래닭 특이 성장 관련 유용 유전자일 가능성이 있다. This experiment was conducted to examine the effective DNA related with muscle growth of Korean native chicken. cDNA library was constructed with mRNA subtraction from Korean native chicken to Cornish. Total mRNA was purified from pectoralis muscle of adult chicken. Five clones were compared their DNA sequence and characteristics based on GenBank. Clone NDS-1 (618nt) was low homology (10%) with other species, but it is closely related with triosephosphate isomerase which is play an important role in glycolysis. Clone NDS-6 (651nt) is corresponding to glyceraldehyde-3-phosphate dehydrogenase. These two clones are encoding to enzymes in key role in glycolysis. However, other three clones (NDS-2, NDS-10, NDS-12) have low homology with other species about 5.0%. These clones were not similar with any other eukaryotics. Therefore, three clones (NDS-2, NDS-10, NDS-12) are high possibility of specific DNA for muscle growth in Korean native chicken.