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RISS 인기검색어
- 검색키워드
- 저자 : 金永直 (검색결과 336 건)
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저장기간에 따른 계육의 지방산 조성에 관한 연구 - 2 . 지방산의 조성변화
김영직,박구부,이한기,정천교 경상대학교 축산진흥연구소 1989 畜産振興硏究所報 Vol.16 No.1
The purpose of this study was designed to comapare the storage stage of spermatozoa in the utero-vaginal (U-V) glands and the infundibular glands of high-fecundity hens. These laying hens were assigned to four group by date intervals after last artificial inseminations. The U-V glands and the infundibular glands in the tissue preparation of the each hen uterus were observed microscopically, and also the appearance rates of spermatozoa-contained U-V glands were compared with those of the infundibular glands. 1. The appearance rates of spermatozoa-contained U-V glands were found to be 27,8%, 28.8, 19.9, 11.1% respectively at the hen groups of 1, 3, 7, 10 days after artificial insemination. 2. The appearance rates of spermatozoa-contained infundibular glands were found to be 0.5, 1.1, 0.6. 0.4% of 1, 3, 7, 10 days after AI and number of spermatozoa contained in a infundibular glands tend predominently to be 1 to 2. So this study cocluded as follows: The appearance rates of spermatozoa-contained glands were found to be higher in the U-V glands than in the infundibular glands and also spermatowa number per gland were more numerous in U - V glands than in infundibular glands.
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金永直 대구효성가톨릭대학교 1974 연구논문집 Vol.14 No.1
Machine industry has a very important position in Korean economy with textile industry and food industry, and it is characterized for dominatation of medium and smallness in its size. Taegu is not only specialized in textile industry but also in machine industry, espically northern district of the city concentrated medium and small size of machine industry. this study puts the main purpose on the clarification of the location pattern of medium and small machine industry of Korea by analysis of spatial variation of the machine industry of northern district of Taegu. Date were collected from interview with the managers of 121 machine plants and fields surver in the study area. The result are as follows; The machine industry of northern district of Taegu which was developed from domestic industry, and is still remained considerably the character of domestic type has made a rapid growth conspicuously as compare to the general growth trends of the machine industry in Korea during last 27 years. Among various factors which brought rapid growth of the industry in northern district, the develoment of the textile industry in Taegu and Buksung Ro which is the largest market of metal and machinery in Kyungbuk province are critically important factors. On the other hand, the quantitative growth of the industry has accompanied eith the spatial expansion of the industry through changing non-industrial land-use of urban fringe to the industrial land-use of higher intensity. The expansion processes of the industrial space are as follows; point-belt-area. In the processes, it is notice that (1) the expansion of industrial space relates to rhe accessibility to Buksung Ro, (2) the agglomeration is influenced mainly by the land value and policy. Especially, this leads us that the condition of the road is critical factor in location of medium and small industry which is strongly influenced by the external economies, by seeing the fact that managers pointed out road condition for the first and most important condition in choice of location. In the case of the study area, different from general machine industry, plants locate adjacent to Buksung Ro plays important part as not a supplier of raw materials, but a purchaser of machine product of the study area also a source of capitals and bussiness informations, and machine industry of study area is subordinated to commercial capitals of machine store of Buksung Ro and large maker in study area. Therefore, making the character of the location of the machine industry of the study area to a type, it can call "the subordinative location to market and large company" or "the adjacent location to market and large company".
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성게 껍질 분말의 급여가 육계의 생산성 및 무기물 함량에 미치는 영향
김영직,Kim Y. J. 한국가금학회 2005 韓國家禽學會誌 Vol.32 No.1
본 실험은 성게 껍질 분말의 사료적 가치를 구명하기 위하여 첨가수준(0, 1, 3, $5\%$)에 따라 육계의 생산성, 계육의 무기물 및 혈중 콜레스테롤 등에 미치는 영향을 고찰하기 위하여 5주간 사양 시험하였다. 전기 3주간사료내 조단백질은 $21.5\%$, ME는 3,100 kcal/kg 수준으로 공급하였고, 후기에는 조단백질 $19\%$, ME 3,100 kcal/kg 수준으로 급여하였다. 처리구는 대조구(무첨가구) 성게 껍질 분말 $1\%$ 첨가구(T1), $3\%$첨가구(T2), $5\%$ 첨가구(T3)로 처리구당 4반복, 반복당 10수로 총 160수를 공시하였다. 그 결과 증체량은 T1구에서 사육전기에 현저하게 개선되었지만(P<0.05) 사육후기에는 가장 낮게 평가되었으며, 사료효율은 처리구 사이에 유의성이 인정되지 않았다(P>0.05). 총콜레스테롤은 대조구보다 성게 껍질 분말 처리구에서 낮게 나타났으며, HDL-C은 처리구 중T2, T3에서 높았고(P<0.05), LDL-C과 triglyceride는 유의성이 인정되지 않았다. 성게 껍질 분말 급여 수준에 따른 무기물의 변화는 대조구에 비해 처리구에서 Fe, Zn, Ca함량이 많았으며(P<0.05) 총무기물 함량은 성게 껍질 분말 급여구에서 많은 경향을 보여 주었다. 결론적으로 육계사료 내 성게 껍질 분말의 급여는 Ca, Fe 및 총무기물 함량이 증가된 계육을 생산할 수 있을 것으로 사료된다. This experiment was conducted to compare the influences of dietary sea urchin shell powder (SUSP) supplemented to broiler diets on performance, mineral contents and blood cholesterol for 5 weeks. The experimental diets contained 21.5 and $19\%$ CP for the starting and finishing period, respectively The ME was 3,100 kcal/kg of feed in both starter and finisher diets. One hundred sixty chicks were assigned to 4 treatments with 4 replicates and fed one of 4 experimental diets containing different levels of SUSP: 1) Control (commercial feed) 2) T1 (commercial feed with $1\%$ SUSP) 3) T2(commercial feed with $3\%$ SUSP) 4) T3(commercial feed with $5\%$ SUSP). Body weight gain was higher in the T1 group when fed the starter diet (P<0.05), but was the lowest in T1 group for finishing period. Feed efficiency was not significantly different between the control and treatment groups (P>0.05). The total cholesterol of the control was higher than the treatment groups and the HDL-cholesterol were higher in T2 and T3. However, effects of diets containing graded levels of SUSP on LDL-cholesterol and triglyceride contents were not found (P>0.05). The SUSP diets were increased significantly the Fe, Zn and Ca contents of chicken meat, and tended to increase total mineral contents. In conclusion, dietary supplementation of SUSP to broiler diets could be applied to the enhancement of Ca, Fe and total mineral contents levels in chicken meat.
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성게 껍질 분말의 급여가 계육의 이화학적 특성에 미치는 영향
김영직,Kim Y. J. 한국가금학회 2005 韓國家禽學會誌 Vol.32 No.1
본 연구는 성게 껍질 분말을 사료내 첨가하여 그 첨가 수준(0, 1, 3, $5\%$)에 따라 계육의 관능검사, 육색, 지방산 및 아미노산 조성 등의 이화학적 특성을 검토하고자 broiler 160수를 공시하여 실시하였다. 전단력은 대조구보다 처리구에서 높고, 보수성은 대조구에서 높았으며(P<0.05), 가열감량, pH는 유의성이 인정되지 않았다. 관능검사 결과 성게 껍질 분말 급여구에서 연도, 다즙성, 풍미가 높은 점수를 나타내었는데 특히 T2에서 유의적인 (P<0.05) 차이를 나타내었다. 육색은 처리구에서 대조구보다 비교적 L$\ast$ 값이 낮고, a$\ast$ 값이 높아 육색이 어두운 편이었다. 대조구에 비해 처리구에서 oleic acid 함량이 유의하게 높거나 높은 경향을 나타내었으며, 총아미노산 함량은 대조구보다 처리구에 많은 함량을 나타내었다. 본 실험 결과 육계사료 내에 성게 껍질 분말의 급여는 관능검사의 결과를 개선할 것으로 사료된다. The experiment was conducted to study the effect of sea urchin shell powder (SUSD) on the sensory evaluation, meat color, fatty acid and amino acid contents of chicken meat. One hundred sixty broilers were fed diets for five weeks containing 0, 1, 3 and $5\%$ of sea urchin shell powder. The shear forces of the treatment groups were higher than the control uoup and the water holding capacity (WHC) was higher in the control group (P<0.05). The heating loss and pH were not significantly different between control and treatment groups (P<0.05). The hardness, juiciness and flavor evaluated by sensory evaluation were improved by treatments, especially in T2 (P<0.05). The meat color of the treatments group showed redder and darker than that of the control group owing to lower L$\ast$ and higher a$\ast$ value. Among fatty acids, oleic acid contents of the treatment groups were higher than that of the control group. The treatment groups showed a significantly higher total amino acid content (P<0.05) compared to the control group. The results of this experiment indicated that dietary SUSP tended to improve the sensory evaluation.
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