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이인덕,한흥전 ( I . D . Lee,H . J . Han ) 한국축산학회 1981 한국축산학회지 Vol.23 No.3
This experiment was carried out to test the general growing characteristics and productivity of 14 introduced winter rye varieties in Suweon area. The results obtained were summarized as follows; 1. The Macnair vitagraze, Vitagraze, Maton, Bonel and Koolgrazer were appeared as early erect type and the other varieties were appeared intermeditate or late procumbent type. 2. A non significant difference (p$gt;0.05) was found between introduced varieties and native one in average dry matter yield. The highest dry matter yield varieties in each type of erect, intermediate and procumbent were Maton, Rymin and Wheeler, respectively. 3. The early erect types in winter rye could be recommended as a suitable variety in considering of the next forage crops.
양종성(J . S . Yang),한흥전(H . J . Han),이만상(M . S . Lee),송진달(J . D . Song),박근제(G . J . Park) 한국축산학회 1987 한국축산학회지 Vol.29 No.3
Field experiment was conducted to test the adaptability and forage yield of introduced oats varieties for soiling crops rotation. The results are summarized as follows: 1. Jeonjin and Cravache of the tested varieties have been identified as early varieties. Their heading date were 30th of May. 2. Taepung, Forage queen and Foothill with 130㎝ in plant height were the tallest varieties. Early varieties belong generally under short plant category. 3. Taepung and Forage queen with more than 1,000 ㎏ per 10a in dry matter yield are excellent. 4. There were significantly positive correlation between dry matter yield and some characteristics such as plant height, stem diameter and leaf weight. 5. Cayuse and Jeonjin of the tested varieties have been considered as good varieties for cropping system on upland because of excellent yield potentiality and earliness.
대맥 및 호맥의 건물생산성과 사료가치에 관한 연구 3 . 생육단계별 Silage 의 수량 , 화학성분 및 품질
김정갑(J . G . Kim),한흥전(H . J . Han) 한국축산학회 1988 한국축산학회지 Vol.30 No.3
In two year`s investigation from 1985 to 1986, yields, chemical components and nutrient quality of rye and barley silage were evaluated at different stages of growth associated with water content of the herbage. Dry matter yields and nutritive quality of silage were increased as the maturity advanced and it occurred the greatest at stage of soft dough for rye and hard dough for barley, when the plants showed 27.0% to 34.8% of dry matter content. The value of net energy lactation (NEL) and starch equivalents (StE) were 5.09 MJ and 410 StE/㎏ in rye and 5.32 MJ and 456 SfE/㎏ in barley. Quality of silage harvested at early stage of growth, final leaf to blooming, was improved markedly by pre-wilting treatment, especially in the chemical compositon and formation of organic acid. Concentrations of total organic acid was relative less changeable under wilting treatment of the materials. However, the formation of lactic acid was increased as water content of the herbage decreased by 1/2 day or whole day treatment for pre-wilting.
Silage 용 옥수수의 숙기별 부위별 수량 화학성분 및 가소화 양분 수량의 변화
양종성(J . S . Yang),한흥전(H . J . Han),최영원(Y . W . Choe),임근발(K . B . Lim) 한국축산학회 1990 한국축산학회지 Vol.32 No.4
This study was conducted to estimate dry matter production, chemical component and digestible dry matter yield of corn with growing stage. Corn(var. suwon 19 and suwon 29) was harvested at milk, dough, yellow ripe and full ripe stage and devided into three parts of leaf, stalk and ear. Dry matter, crude protein, crude fibre and NFE contents of plant parts were measured at each growing stage. Dry matter yield peaked at yellow ripe stage. From milk to full ripe stage, leaf had more protein content than other plant parts. Nitrogen free exetracts(NFE) content was highly estimated in ear but low in leaf. Crude fibre content was highly estimated in stalk but low in ear. Crude protein yield per 10a was 93-102kg at milk stage in leaf and 90-94kg in ear at full ripe stage. While, most crude fibre was accumulated in stalk and leaf. NFE yield per 10a was superior to crude protein and crude fibre yield. Digestible dry matter yield per 10a peaked at yellow ripe stage on suwon 19(1353.3kg/10a) and at full ripe stage on suwon 29(1630.4kg/10a).
임근발(K . B . Lim),양종성(J . S . Yang),한흥전(H . J . Han) 한국축산학회 1990 한국축산학회지 Vol.32 No.3
Two experiments using lambs were conducted to evaluate the nutritive value of alkaline hydrogen peroxide(AHP) treated rice straw(RS) for rumi nants. The AHP treatment increased cellulose contents but decreased acid detergent lignin and hemicellulose. Lambs fed the low RS-T diet gained significantly (p$lt;0.05) faster than did lambs fed other diets while lambs fed the high RS-U diet gained the slowest (P$lt;0.05). Apparent digestibilities of NDF, ADF and cellulose were significantly(p $lt;0.05) increased with AHP treated diets. Ruminal pH was lower when lambs were fed AHP treated diets. However, ruminal ammonia concentrations were the highest when lambs were fed the high RS-U diet. Total VFA`s and acetate production were higher(p$lt;0.05) with the high RS-T diet, however, no differences were found in remaining acid productions among treatments. Diunal pattern for total VFA`s showed that the high RS-T diet kept higher VFA`s is concentration than did remaining diets. Results of these experiments indicate that AHP treatment results in a substantial improvement in the extant of utilization of RS by ruminants.