A5033861307- Nutrition, Health and Food Behavior
- Food Quality and Safety Studies
- Ruminant Nutrition and Digestive Physiology
- Food Safety and Hygiene
- Meat and Animal Product Quality
- Catalytic Processes in Materials Science
- Agriculture, Soil, Plant Science
- Genetic and phenotypic traits in livestock
- Animal Nutrition and Physiology
- Reproductive Physiology in Livestock
- Ammonia Synthesis and Nitrogen Reduction
- Bee Products Chemical Analysis
- Probiotics and Fermented Foods
- Fatty Acid Research and Health
- Catalysis and Hydrodesulfurization Studies
- Lipid metabolism and biosynthesis
- Phytoestrogen effects and research
- Milk Quality and Mastitis in Dairy Cows
- Nanomaterials for catalytic reactions
- Effects of Environmental Stressors on Livestock
- Listeria monocytogenes in Food Safety
- Protein Hydrolysis and Bioactive Peptides
- Pharmacological Effects of Natural Compounds
- Plant and fungal interactions
- Mycotoxins in Agriculture and Food
Hankyong National University
2013-2024
Universitas Jember
2024
University of the Philippines Los Baños
2024
Indonesian Institute of Sciences
2024
Pohang University of Science and Technology
1997-2021
Korea Institute of Geoscience and Mineral Resources
2017
Feed Control (Norway)
2010
National Institute of Animal Science
2007-2009
National Institute of Agricultural Science and Technology
2009
Gyeongsang National University
2009
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDeactivation of a vanadia-alumina catalyst for nitric oxide reduction by ammoniaIn Sik Nam, John W. Eldridge, and J. R. KittrellCite this: Ind. Eng. Chem. Prod. Res. Dev. 1986, 25, 2, 192–197Publication Date (Print):June 1, 1986Publication History Published online1 May 2002Published inissue 1 June 1986https://pubs.acs.org/doi/10.1021/i300022a012https://doi.org/10.1021/i300022a012research-articleACS PublicationsRequest reuse permissionsArticle...
To investigate biohydrogenation of linoleic acid by rumen fungi compared with bacteria, and to identify the fungus fastest rate.Biohydrogenation mixed bacteria were in vitro. With all reactions finished within 100 min incubation end product was stearic acid. fungi, proceeded more slowly over a 24-h period. Conjugated (CLA; cis-9, trans-11 C18 : 2) an intermediate product, vaccenic (VA; 1) biohydrogenation. Fourteen pure fungal isolates tested for rate. DNA sequencing showed that isolate rate...
Three gallosilicate natrolites with closely similar chemical composition but differing in the distribution of Si and Ga over crystallographically different tetrahedral sites (T-sites) show striking differences their cation exchange performance. The ability to Na(+) by larger alkali metal cations decreases upon increasing size cation, as expected, also degree T-atom ordering. To seek an insight into this phenomenon, crystal structures 11 zeolites, which variations ordering, nature...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTUse of catalyst coke content in deactivation modelingIn Sik Nam and J. R. KittrellCite this: Ind. Eng. Chem. Process Des. Dev. 1984, 23, 2, 237–242Publication Date (Print):April 1, 1984Publication History Published online1 May 2002Published inissue 1 April 1984https://pubs.acs.org/doi/10.1021/i200025a008https://doi.org/10.1021/i200025a008research-articleACS PublicationsRequest reuse permissionsArticle Views472Altmetric-Citations40LEARN ABOUT THESE...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTModel of temperature dependence a vanadia-alumina catalyst for nitric oxide reduction by ammonia: fresh catalystIn Sik Nam, John W. Eldridge, and J. R. KittrellCite this: Ind. Eng. Chem. Prod. Res. Dev. 1986, 25, 2, 186–192Publication Date (Print):June 1, 1986Publication History Published online1 May 2002Published inissue 1 June 1986https://pubs.acs.org/doi/10.1021/i300022a011https://doi.org/10.1021/i300022a011research-articleACS...
Four ruminally fistulated Hanwoo steers were used to determine the effects of level and degradability dietary protein on ruminal fermentation, blood metabolites concentration soluble non-ammonia nitrogen (SNAN) in (RD) omasal digesta (OD).Experiments conducted a 4×4 Latin square design with 2×2 factorial arrangement treatments.Factors supplements two crude (CP) degradabilities, corn gluten meal (CGM) that was low (rumendegraded (RDP), 23.4% CP) or soybean (SBM) high (RDP, 62.1% CP), feeding...
This study was conducted to evaluate the effects of indigenous herbal supplements on growth, blood metabolites and carcass characteristics in late fattening period Hanwoo steers. In a 6 month feeding trial, thirty steers (647±32 kg) were allotted one 5 treatment groups, control (basal diet contained lasalocid), licorice, clove, turmeric silymarin, with six per pen. All groups received ad libitum concentrate 1 kg rice straw/animal/d throughout trial. Blood samples collected at beginning,...
Vascular cell adhesion molecule-1 (VCAM-1) is closely associated with tumor progression and metastasis. However, the relevance role of VCAM-1 in lung cancer have not been clearly elucidated. In this study, we found that was highly overexpressed tissue compared normal tissue, high expression correlated poor survival patients. knockdown reduced migration A549 human cells into Matrigel, competitive blocking experiments targeting Ig-like domain 6 (VCAM-1-D6) demonstrated VCAM-1-D6 critical for...
Indiscriminate use of antibiotics can result in antibiotic residues animal products; thus, plant compounds may be better alternative sources for mitigating methane (CH4) production. An vitro screening experiment was conducted to evaluate the potential application 152 dry methanolic or ethanolic extracts from 137 species distributed East Asian countries as anti-methanogenic additives ruminant feed. The experimental material consisted 200 mg total mixed ration, 20 extract, and 30 mL diluted...
The objective of this study was to investigate antimicrobial activity, during the storage period, animal feed and any effects on in vitro rumen digestion by supplementing different levels (5.55, 11.1, 22.2 g/kg) freeze dried citrus peel (FDCP) compared untreated treated with an antifungal agent (AA) at 0.05 g/kg.In a preservation test, supplemented FDCP showed no deterioration over 21 days.Untreated AA-treated feed, however, signs after 16 days storage.Yellow colour red colour, measured...
한우 거세 비육우에 출하 전 163일간 LPLT구(CP 12%, TDN 73%)와 LPHT구(CP : 75%), HPHT구(CP 14%, 75%)로 배합사료를 급여한 사양시험결과 일당증체량은 LPHT구에 비하여 대조구와 HPHT구가 높은 것으로 조사되어 증체가 많았던 조사되었다(P<0.05). 사료요구율 역시 LPLT구와 HPHT구의 사료이용효율이 좋았던 도체율은 영양소의 추가적인 급여가 영향하지 않는 조사되었으나 수송감량에서는 수송감량이 적은 등지방두께와 배최장근단면적에서 유의하게 개선되었으며, 냉도체중 및 육량지수에는 않은 조사되었다. 육량등급의 수취에서 정의 영향을 주는 배최장근단면적이 높았던 개선된 육질형질 중 근내지방도는 통계적으로 증가하였고 이 영향으로 육질등급의 수취에서도 그대로 반영되어 조사되었다(P<0.001). 그러나 다른 육질에 영향하는 항목들에서는 처리구간의 차이가 인정되지 않았다. 지육경락가격은 LPLT구(17,904원)와 LPHT구(18,094원)에...
This study investigates the growth characteristics of Salmonella enteritidis (S. enteritidis) in liquid whole egg under both isothermal and non-isothermal storage conditions to understand risks associated with inadequate temperature management industry. Using controlled laboratory simulations, samples inoculated S. were stored various (5, 15, 25, 35, 45 °C) (5–10, 15–20, 25–30, 35–40, 45–50 °C). The behavior was analyzed using a two-step predictive modeling approach. First, kinetic...
The objective of this study was to investigate the problems and benefits associated with implementation HACCP on livestock product plants in Korea. survey carried out by randomly selecting 115 accredited meat processing plants, all across country. A total 105 complete responses were selected for analysis. results as follows: approximately 60% respondents employed less than twenty workers. average period operating system 3.4 years. replied that major incentive implement improve hygiene...
Long-term storage of feeds or feedstuffs in high temperature and humid conditions can be difficult because microbial contamination.Essential oil isolated from industrial waste citrus peel could used as a preservative it is likely to have anti-bacterial anti-fungal activity.Our objective was determine whether different levels (0.028, 0.056 0.112 g/kg) essential (CEO) would provide anti-microbial activity enhance preservation animal feed without influencing rumen fermentation.At g/kg, CEO...
The TYR (Tyrosinase) and MC1R (Melanocortin 1 receptor) genes are recognized as important involved in plumage pigmentation Korean native chickens. Specifically, most color patterns chicken result from differential expression of the gene. In this study, co-segregation sequence was investigated through intercrosses between red (R1q1), with black types chickens.Using DNA, RNA, tissue by each chickens, role major pheomelanin evaluated. Reverse transcription polymerase chain reaction, sequencing,...
본 연구는 국내 홀스타인 젖소 보증종모우 16두와 후보종모우 93두를 이용하여 선천성 장애 유전자의 검색을 통하여 불량 존재 유무를 판별함과 동시에 가축의 선발 및 육종, 개량시 기초자료로 제공하고자 하는데 그 목적이 있으며, 연구의 결과를 요약하면 아래와 같다. 공시재료(홀스타인 16두, 후보 종모우 93두) 109두에 대하여 DUMPS (deficiency of uridine monophophate synthase)의 검색결과 모든 개체에서 유전자를 보유하는 개체는 없는 것으로 판명되었다. 또한 PCR-RFLP(Ava I) 방법에 의해 조기 검색이 가능하게 되었다. 한편, BLAD(bovine leukocyte adhesion deficiency) 검색결과, 16두에서는 검출되지 않았으나, 후보우 93두중 5두에서 BLAD 잠재성 보유개체(carrier)로 판명되었고, 혈통확인을 전이 경로를 추정할 수 있었으며, PCR 증폭산물에 대한 제한효소 처리시 HaeⅢ 보다는...
For a period of over 6 years, more than 160,000 milk samples were collected and analyzed to determine the influence different seasonal temperatures geographic regional location on composition in South Korea. Fat, protein, lactose, non fat solids (NFMS) total (TS) contents significantly higher among dairy cows milked winter season other seasons (p<0.05). In contrast, freezing point (FP), urea nitrogen (MUN) somatic cell count (SCC) summer The average SCC autumn was...
본 연구는 한우, 젖소, 돼지, 산란계 HACCP 적용 농장의 분변, 원유 및 사육환경에서 병원성세균 등 분석을 통하여 생물학적 위해 관리 실태를 파악하고자 하고 이를 농장 시스템 적용에 관한 기초 연구 자료로 사용하는 것을 목적으로 하였다. 미생물 시료는 HACCP을 중인 산란계농장의 축사바닥분뇨, 퇴비사, 원유탱크, 집란기, 분변 벨트 등에서 채취 하였으며 축산식품의 위해인 Pathogenic E. coli, Salmonella spp. S. aureus 등을 분석하였다. 각 축종별 대장균은 분변에서 100% 검출되었으나 spp.는 검출되지 않았다. 또한 젖소농장의 냉각기에서도 aurues가 그러나 돼지농장의 돈사바닥 퇴비장에서는 검사건수 30건당 각각 2건, 1건의 spp.가 검출되었다. 마찬가지로 계사바닥 분변벨트에서도 전체분석 건수 대비 10~20%의 이러한 결과는 문헌상 보고되고 있는 일반축산농가의 관리실태와 간접 비교하였을 경우 시스템을 적용중인 축산농가에서의...