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플라즈마 이온 방식의 공기정화기를 이용한 돈사내 공기오염물질 저감 효과
김윤신,김기연,조만수,고문석,고한종,정진원,오미석,윤백,김중호,Kim, Yoon-Shin,Kim, Ki-Youn,Cho, Man-Su,Ko, Moon-Suk,Ko, Han-Jong,Jung, Jin-Won,Oh, Mi-Seok,Youn, Baek,Kim, Jung-Ho 한국환경보건학회 2010 한국환경보건학회지 Vol.36 No.4
This field study was performed to evaluate the efficiency of a plasma ion-operated air cleaner in temporal reduction of airborne pollutants emitted from a pig housing facility. In the case of gaseous pollutants, the plasma ion air cleaner was not effective in reducing levels of ammonia, hydrogen sulfide, nitrogen dioxide, or sulfur dioxide (p>0.05). In the case of particulate pollutants, however, the air cleaner was effective in reducing levels of particulate matter ($PM_{2.5}$ and $PM_1$) by 79(${\pm}6.1$) and 78(${\pm}3.0$)%, respectively. Unlike the case of these fine particle fractions, the reduction of total suspended particles (TSP) and $PM_{10}$ following treatment was almost negligible. In the case of biological pollutants, the mean reduction efficiencies for airborne bacteria and fungi were relatively low at 22(${\pm}6.6$) and 25(${\pm}8.7$)%, respectively. Taken together, these results indicate that in terms of air pollutants released from this pig housing facility, the plasma ion air cleaner was primarily effective in reducing levels of $PM_{2.5}$ and $PM_1$.
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제주도 한라산에 서식하는 도입종 야생멧돼지에 대한 분자유전학적 분석
한상현 ( Sang Hyun Han ),오장근 ( Jang Geun Oh ),조인철 ( In Cheol Cho ),고문석 ( Moon Suck Ko ),김태욱 ( Tae Wook Kim ),장민호 ( Min Ho Chang ),김병수 ( Byoung Soo Kim ),박수곤 ( Su Gon Park ),오홍식 ( Hong Shik Oh ) 한국환경생태학회 2011 한국환경생태학회지 Vol.25 No.5
제주도에서는 절멸된 것으로 간주되었던 멧돼지들이 최근 한라산 인근지역에서 발견되었다. 본 연구는 분자유전학적 실험기법을 바탕으로 한라산 멧돼지들이 가축돼지들과 이종교배된 것들인지를 조사하였다. 또한 동일 종내에서의 유전적 유연관계와 분자 성판별을 시험하였다. 가축돼지 품종들(Landrace, Large White, Berkshire, Hampshire, Duroc)과의 교배여부는 핵 DNA와 미토콘드리아 DNA에서 4 종류의 분자 표지인자(MC1R, KIT, 조절영역, ND2)를 적용하여 시험하였다. 야생멧돼지 집단의 모든 개체들이 동일한 mtDNA 조절영역 서열을 나타내었고, 그 서열들은 중국 동북부 재래돼지들과 동일하였으나 기존에 보고된 한반도 멧돼지의 서열들과는 다른 것으로 확인되었다. 이상의 연구결과는 한라산 멧돼지집단이 중국 재래돼지 품종들과 근연이면서, 기존에 연구되지 않았던 유전적 계통에서 유래한 것으로 사료된다. 분자 성판별 결과 수컷에 비해 암컷이 2 배 이상으로 확인되어, 한라산 야생멧돼지 집단이 팽창하고 있으며, 조절하지 않으면 집단 규모는 극적으로 증가할 것이다. An wild boar species which has been known as an extinct species on Jeju Island, was recently observed in the surrounding areas of Mount Halla. Based on the molecular techniques, this study examines whether they are crossbred with domesticated pig breeds. Intraspecific genetic relationships with other wild boar populations and molecular sexing were examined as well. Total of four molecular markers on mitochondrial DNA(control region and ND2) and nuclear DNA(MC1R and KIT) were applied to test crossbreeding between with domesticated pig breeds, such as Landrace, Large White, Berkshire, Hampshire, and Duroc. All individuals of wild boar population had identical mtDNA control region(CR) sequences. In addition, the sequences were the same as those of some native pig breeds which are distributed in Northeast China, but different from those previously reported from the Korean Peninsula up to date. These results suggest that this population may have originated from a genetic lineage had been not previously studied and genetically related to Chinese native pig breeds. Molecular sexing results show that there are twice as many females as male. Thus the population is under expansion and its size will dynamically increase if not controlled.
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동물행동 및 복지 : 건조감귤박 및 소맥피를 급여한 말의 성장과 육질에 미치는 영향
채현석 ( Hyun Seok Chae ),김남영 ( Nam Young Kim ),조인철 ( In Chul Cho ),조상래 ( Sang Rae Cho ),조원모 ( Won Mo Cho ),박용상 ( Yong Sang Park ),오신애 ( Shin Ae Oh ),장애라 ( Aera Jang ),성필남 ( Pil Nam Seong ),고문석 ( Moon Su 한국동물자원과학회(구 한국축산학회) 2013 한국축산학회지 Vol.55 No.3
본 연구는 제주지역에서 많이 생산되는 동산부산물인 건조감귤박을 활용하여 말 사료로서의 이용성을 구명하고 사육이 완료된 말을 도축하여 육질 특성을 구명하기 위해 실시되었다. 급여한 농산부산물은 소맥피만 급여한 처리구와 건조팰렛감귤박(20%)에 소맥피(80%)를 흔합한 처리구로 구분하여 수행하였으며 농산부산물 급여는 1일 2회 체중의 1.5%를 기준으로 급여시켰고 물과 건초는 자유 급식시켰다. 일당증체량의 변화는 소맥피급여구와 소맥피+건조 감귤박처리구에서 유사한 경향을 나타내었고 사료요구율은 소맥피+건조감귤박처리구가 소맥치 단독 처리구보다 더 낮은 값을 나타내었다. 말고기의 도체율은 소매피+건조감귤박처리구가 소맥피처 리구 보다 더 낮은 값을 나타내었다. 그러나 육량등급은 소맥피+건조감귤박처리구가 더 우수하게 나타났다. 육색에서 명도(L*)은 소맥피처리구보다 소맥피+건조감귤박처리구에서 더 밝은 값을 나타내었으나 황색도(b*)는 오히려 더 낮은 값을 나타내었다. 말고기의 물리적 변화에서 전단력은 소맥피처리구보다 소맥피+건조감귤박처리구가 더 낮은 값을 나타내면서 보수력과 가열감량도 함께 증가하였다. 일반성분에서 지방은 소맥피처리구보다 소맥피+건조감귤박처리구가 더 낮은 값을 나타내었고 다른 성분은 비슷하였다. 무기물은 소맥피+건조감귤박처리구가 Ca, K, Mg, Cu, Mn이 소맥피처리구 보다 더 많은 것으로 나타났으나 유의적인 차이는 없었다(p<0.05). 아미노산에서는 소맥피+건조감귤박처리구가 methionine, glutamic acid, glycine이 소맥피처리구보다 약간씩 증가하였다. 지방산은 소맥피+건조감귤박처리구가 stearic acid, oleic acid, eicosenoic acid, arachidonic acid 함량이 증가하는 경향을 나타내었다. 결과적으로 농산부산 물로써 소맥피의 일부를 건조감귤박으로 대치하여도 비육사료로 손색이 없는 것으로 사료된다. This study was conducted to elucidate the characteristics of equine meat traits and to evaluate the utilization of dried-citrus pulp abundantly produced in Jeju Island as feed ingredient in the diet of finished meat horses. Treatment groups consisted of wheat bran (A) and the dried-pellet mixture of citrus pulp (20%) and wheat bran (80%) (B). Feeding of agricultural by-products were 2 times in a day at the level of 1.5% of body weights. Water and dried-grass forage was not restricted. The average daily gain was similar in both groups. Feed conversion of treatment B showed lower level than that of A. Carcass rate of B was relatively lower than that of A, but meat yield grade of B was higher than that of A. For meat color traits, L* of B was lighter than that of A, and b* of group B was lower than that of group A. From the analysis of physical characteristics of equine meats, shearing force had decreased in the treatment B but the levels of drip loss and water holding cavity had increased in the treatment B compared to A. The level of crude fat is lower in the treatment B than the treatment A. For the mineral contents, the treatment B showed higher levels of Ca, K, Mg, Cu and Mn than that of A. For the fatty acid contents, the treatment B showed increased levels of stearic acid, oleic acid, eicosenoic acid, and arachidonic acid compared to A. Consequently, these results suggested that dried-citrus pulp might be utilized as replacement material for equine forage. Please rewrite the whole abstract and should include all required information. Before resubmission, please check it again from a native colleague in your group.
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연중 매초급여(埋草給與)와 볏짚 및 건초혼합 급여가 우유생산에 미치는 영향
김준식,고문석,김길수,오대균 한국낙농학회 1983 韓國酪農學會誌 Vol.5 No.1
The effect of cornsilage and ricestraw, cornsilage and hay, cornsilage on milk yield, milk fat, live weight and economic analysis were studied by ad libitum experimental design. Four difference treatments were tested with the following experimental rouhage per day in forage basis: corn silage + rice-straw (25㎏ + 5㎏), corn silage + hay (25㎏ + 3㎏), corn silage + hay (20㎏ + 2㎏), corn silage (30㎏). Thereon, concentrate was fed according to milk production during the experimental period. The results obtained are as follows: 1. Dry matter intake per day during the experimental period among four treatments showed little difference. 2. The animal in treatment T2 tended to give higher milk yield than those in treatment C. T1, T3, but the difference was not significant statistically. 3. The cows in treatment T3 gave milk of higher fat content than those in treatment C, T1 or T2, but the difference was not significant statistically. 4. Treatment T1 gave the most increase in body weight following by treatment T2, C, and Treatment T3 gave the least increase in body weight during the experimental period but the difference was not signifficant. 5. Treatment T1 gave the most income in economic analysis followed by treatment T1, T3, and treatment C gave the least income in economic analysis during the experimental period.
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