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국균발효사료(麴菌醱酵飼料)의 첨가(添加)가 닭의 산육성향상(産肉性向上)에 미치는 효과(效果)에 관(關)한 연구(硏究)
권순기,이인호,김관영,이규승,Kwon, S.K.,Lee, I.H.,Kim, K.Y.,Lee, K.S. 충남대학교 농업과학연구소 1975 Korean Journal of Agricultural Science Vol.2 No.1
This experiment was conducted to observe the effects of fermented feed by Aspergillus oryzae and Aspergillus niger on the improvement of feed value and the effect of fermented feed additive for meat production of broiler. The results of fermented feed on the improvement of feed value were as follows; I; The effects of fermented feed value improvement were as follaws; 1) There were little difference between fermented feeds by Asp. oryzae and Asp. niger, compared with wheat bran, crude protein contents of Koji was highly increased and its nitrogen free extract and crude fat contents were decreased, but crude fiber and ash were little difference. 2) Total amino acids were highly increased as to fermented feeds but proline in Asp. niger koji feed, and proline and valine in Asp. oryzae koji feed were decreased and other amino acid were increased 2) The effect of fermented feeds on meat production of broiler were as follows; 1) Fermented feeds groups appeared higher weight (p<0.01)than weight of control on end of experimental period, but little difference were recognized between 5% and 10% fermented feed groups. 2) On the weight gain per day, highly significant were recognized(p<0.05) between control and test groups, 10% Asp. oryzae koji group was highest ($12.15{\pm}0.46g$) between all groups. 3) On the yield of carcass, there were significant highly difference (p<0.01) between control and test groups but little difference were recognized between each of 5% groups and 10% groups of fermented feeds. 4) Fermented feed groups appeared higher carcass yield (p (0<0.05) than control. But between all fermented feed groups were a little difference in partly. 5) On the influence of fowl meat composition, amount of moisture contents was a little decrease in fermented feed groups, and crude protein and crude fat were increased. 6) Feed conversion rate resulted a little amount decreasing. Specially, 10% Asp oryzae koji group was lowest (2.89) compare with control (3.35) 3. As a result of economical analysis appeared highest low income in koji groups. Low income were more gained percent of 40.22 in 10% Asp oryzae koji and 33.19 in 10% Asp. niger koji than control.
간척지(干拓地) 초지조성(草地造成)을 위(爲)한 도입호주품종(導入濠洲品種)의 적응성(適應性) 조사(調査)에 관(關)한 연구(硏究) (제(第)1보(報))
권순기,이인호,김용국,Kwon, S.K.,Lee, I.H.,Kim, Y.K. 충남대학교 농업과학연구소 1976 Korean Journal of Agricultural Science Vol.3 No.1
이 시험(試驗)은 간척지(干拓地) 초지조성(草地造成)을 위(爲)해서 내염성(耐鹽性)이 강(强) 목초(牧草)의 품종(品種)을 선택(選擇)코져 1975년(年) 5월(月)부터 1976년(年) 3월(月)까지 호주(濠洲)에서 도입(導入)한 몇가지 품종(品種)을 우리나라 해안지대(海岸地帶)에서 재배(栽培)하여 적응성(適應性)을 조사(調査)한 것이며 그 성적(成績)을 요약(要約)하면 다음과 같다. 1. 공시품종(供試品種)의 발아시험(發芽試驗)에 있어서 0.5% 염분함량(鹽分含量)에서는 발아(發芽)에 지장(支障)이 없었으나 1%의 염분함량(鹽分含量)에서는 발아일수(發芽日數)가 연장(延長)되었고 발아율(發芽率)도 떨어졌다. 2. 간척지(干拓地) 재배(栽培)의 결과(結果)는 0.5% 염분함량(鹽分含量)에서 전연(全然) 생육(生育)이 안되었고 0.05% 염분함량(鹽分含量)에서도 생육(生育)에 지장(支障)이 많았다. 이러한 결과(結果)는 간척지(干拓地)의 Mg. K ion 등(等)이 상호작용(相乘作用)을 하는 것 같다. 3. 청예수량(靑刈收量)은 무염구(無鹽區)에 비(比)해서 0.05% 염분함량구(鹽分含量區)가 대단(大端)히 떨어지는데 Kikuyu는 30%, Strawberry clover는 60%, Reed canary는 68%, Orchard grass는 86%가 감소(減少)되었다. 4. Kikuyu는 우리나라에서 전연(全然) 월동(越冬)이 불가능(不可能)하며 기타(其他) 품종(品種)은 월동(越冬)에 지장(支障)이 없다. 5. 우리나라 간척지대(干拓地帶)의 야초중(野草中)에서 0.5% 염분함량(鹽分含量)에서도 생육(生育)이 되는 갯겨이삭이 있으며 화본료사료(禾本料飼料)로서 성분(成分)도 우수(優秀)하다고 생각(生覺)되나 생육기간(生育期間)이 5월중순(月中句)부터 9월중순(月中句)까지 4개월간(個月間)이므로 크게 기대(期待)할수 없다. 6. 내염성(耐鹽性)이 강(强)한 목초(牧草)를 선택(選擇)하여 간척지(干拓地) 초지(草地) 조성(造成)을 하기 위해서는 Saltgrass, Saltbush, Shad Scale과 같은 것이나 기타 몇가지 품종(品種)을 계속(繼續) 도입(導入)하여 더욱 연구(硏究)할 필요(必要)가 있다고 생각(生覺)된다. This experiment was studies for grassland establishment on west coastal saline land in Korea from May 1975 to March 1976 and used seeds were introduced from Australia. The results of adaptability were summarized as follow. 1. The seeds germination percentage was not influence in 0.5% salt included, but delayed days in 1% salt included and decreased germination percentage. 2. Any experimental grasses species were not growth on the 0.5% salt included soil and also growth was much damaged on the 0.05% salt included soil. It was suggested that $Mg^+$, $K^+$ ions involved with $Na^+$ ion. 3. The yield of grasses were much decreased on 0.05% salt included soil which compared control group. The yield rate of decrease were 30% in kikuyu, 60% in strawberry clover, 63% in reed canarry and 89% in orchard grass. 4. For winter-hardness test, nearly all the species well overwintered but except kikyu. 5. One of salt tolerance native grass (Agrostis distans crieseb var coreensis, Hackel) was discovered in saline area, and it was growth from middle of May to Middle of September. Also it was known that the native grass was good feed stuff but it was not so long in growth life. 6. It was concluded that more experimental work must be carried out to select of salt tolerance grass for grassland establishment on saline by introduce some more species such like saltgrass, saltbush, shadsclae from foreign land.
한우 육성 및 비육기 영양수준이 발육 , 사료이용성 및 도체 조성에 미치는 영향
김강식(K . S . Kim),신기준(K . J . Shin),백봉현(B . H . Paek),김용곤(Y . G . Kim),이근상(G . S . Lee),권순기(S . K . Kwon) 한국축산학회 1987 한국축산학회지 Vol.29 No.4
To evaluate the effect of feeding level on daily gain, feed efficiency and carcass composition, high (H: DCP and TDN was supplied for 1.1㎏ daily gain × 1.1) and low (L: DCP and TDN was supplied for 0.6㎏ daily gain × 1.1) level nutrient were fed to each 12 heads of Korean native bulls (KNB) for the 1st period (body weight from about 120㎏ to 300㎏), and thereafter during 2nd period 12 heads were devided into two groups and fed with H and L-feeding level until animals weighted about 500㎏. 1. Daily gain was significantly increased (P$lt;0.05) and the feeding period was significantly decreased when fed with H level. Shifting feeding level (H→L or L→H) did not affect the daily gain during whole period although there was a trend that H level during 1st period was more efficient than L level. 2. Dry matter intake was higher with H level than with L level. 3. DCP efficiency was better when fed with L level. The efficiency of L→H level was lower than that of H→L level during whole period but was better than that of H→H level during the early phase of 2nd period. 4. TDN efficiency was not influenced by the feeding level. However, TDN efficiency of H group was slightly better than that of L group during the 1st period. 5. Dressing percentage was significantly increased when fed with H level during the 2nd period. Fat content was significantly increased when fed with H→H level, while there was no significant differences among H→L, L→H, L→L feeding levels. There was no significant differences in retailed cuts between the feeding levels. 6. Carcass price was higher and feed cost was lower when fed with L level during the 2nd period. The monthly income per head was higher when fed with H level during the 1st period, although there was no big differences between H→H and L→H feeding level.
여러가지 종류의 사료 섬유질을 섭취하는 쥐의 수분 및 Na 대사에 관한 연구
이봉덕,권순기,이수기 ( B . D . Lee,S . K . Kwon,S . K . Lee ) 한국축산학회 1986 한국축산학회지 Vol.28 No.8
The effects of several sources of dietary fiber on the water and sodium (Na) metabolism of rats were investigated. Wheat bran (D2), pure cellulose (D3), and ground rice straw (D4) replaced corn in the control diet (D1) at the level of 10%: pectin (DS), which is water-soluble, replaced corn at 5% level. In the growth trial with 45 female weanling rats (Sprague Dawley strain), the growth rate of DS was significantly (P≤.05) lower than those of D1 and D2. No difference in growth rate was found among D3, D4 and D5. With regard to water intake of growing rats, there was no difference among all treatments. In metabolism trial with 30 adult male rats, the dry matter (DM) digestibilities of D3 and D4 were significantly lower than those of D1, D2 and D5. Similar DM digestibilities were found in D1, D2 and D5. As in the case of growing rats, no difference was found in water intake among five treatments. With regard to water holding capacity (WHC) of feces, D3 and D4 showed significantly larger values than D2. The WHC of D1 and D5 were even lower (P≤.05) than D2. The bulls density (BD) of feces was exactly in the inverse relationship with WHC. The BD of D3 and D4 were significantly smaller than the other treatments. D1 and D5 showed significantly larger BD than did D2. In terms of Na excretion routes of urine and feces, D1 and DS excreted significantly more Na via urine than did D3 and D4. The D2 showed intermediate values in this respect. No difference was found in Na^+ and osmotic concentrations either in plasma or urine among dietary treatments. With regard to plasma clearances, there was no difference among all treatments in C_(Na)^+, C_(osm) anti C_(H₂O), The C_(H₂O) values from all treatments showed negative values, indicating that the rats were removing excess solutes in body fluids via urine. Among the water-insoluble fibers, wheat bran appeared to be less fibrous than pure cellulose or ground rice straw in several respects, i.e., growth rate, feral WHC and BD, and the route of Na excretion. Except that it inhibits the growth rate of young rats, pectin brought about the same effect as did the control diet, indicating that the gut microflora fermented the water-soluble pectin. Different nutritional and physiological effects might be expected from rats fed dietary fibers having different solubility in water.