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한국동물위생학회(구 한국가축위생학회)> 한국가축위생학회지 (KOJVS)

한국가축위생학회지 (KOJVS) update

Korean Journal of Veterinary Service

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수록정보
수록범위 : 13권1호(1990)~43권1호(2020) |수록논문 수 : 1,110
한국가축위생학회지 (KOJVS)
43권1호(2020년 03월) 수록논문
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1인천지역 공원 채집 모기에서 심장사상충 감염도 조사

저자 : 정철 ( Cheol Jeong ) , 송재성 ( Jae-sung Song ) , 김명덕 ( Myung-deok Kim-jeon ) , 김경호 ( Kyoung-ho Kim ) , 이정구 ( Jung-goo Lee ) , 이성모 ( Sung-mo Lee )

발행기관 : 한국동물위생학회(구 한국가축위생학회) 간행물 : 한국가축위생학회지 (KOJVS) 43권 1호 발행 연도 : 2020 페이지 : pp. 1-6 (6 pages)

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Unlike previous studies that reported the infection rates of Dirofilaria immitis in companion dogs, D. immitis genes were tested directly on mosquitoes to see how many mosquitoes actually carry larvae. Mosquito samples were collected from six parks in Incheon from March to August 2018. A total of 18,589 mosquitoes was collected, classified by type and then made 575 sample pools based on 50 mosquitoes. The PCR method was used to detect Dirofilaria immitis genes of sample pools. Dirofilaria immitis genes were detected in 7 of the 575 pools, and these positive mosquito samples were collected in 4 out of the 6 parks. The types of detected mosquitoes were Aedes dorsalis and Ochlerotatus koreanus which have been identified to act as a vector for heart worm propagation in Incheon. Based on these results, it was concluded that D. immitis genes were found in mosquitoes in the neighborhood park.

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2개똥쑥의 첨가 급이가 육계의 혈액 성분 및 계육의 지방산 조성에 미치는 영향

저자 : 이수정 ( Soo-jung Lee ) , 조항희 ( Hang-hee Cho ) , 조재현 ( Jae-hyeon Cho )

발행기관 : 한국동물위생학회(구 한국가축위생학회) 간행물 : 한국가축위생학회지 (KOJVS) 43권 1호 발행 연도 : 2020 페이지 : pp. 7-16 (10 pages)

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This study investigated the effects of the dietary supplementation with gaeddongssuk (Artemisia annua L.) powder on blood biochemical compositions, meat lipids and fatty acid profiles of the broiler chicks. One hundred male broiler chicks were divided randomly into five groups: group fed with basal diet (Control); group supplemented with 2.5% antibiotics in the drink water (Antibiotics), and groups supplemented gaeddongssuk powder with 5% (BG-Ⅰ), 6% (BG-Ⅱ), and 7% (BG-Ⅲ) in the basal diets. Levels of total lipid and LDL-C in serum of broiler chicks were significantly lower in the groups supplemented with gaeddongssuk compared to the Antibiotics group. Contents of triglyceride and total cholesterol were significantly lower in the BG-Ⅲ. HDL-C level was significantly higher in BG-Ⅰ and BG-Ⅱ compared to the Antibiotics group. Antioxidant activity of serum in the BG-Ⅱ was significantly higher than Control and Antibiotics groups. Lipid peroxide contents in the BG-Ⅰ and BG-Ⅱ were significantly lower than to the Antibiotics group. Total lipids level of breast and legs meat was significantly lower in the groups supplemented gaeddongssuk compared to the Antibiotics group. Total cholesterol level of breast meat was significantly lower in the groups supplemented with gaeddongssuk compared to the Antibiotics group. UFA/SFA ratio of breast and legs meat from the BG-Ⅱ was tend to higher compared to Control and Antibiotics groups. Taken together, these results suggest that dietary supplementation of gaeddongssuk with 6% could be applicable as the possibility to improve blood biochemical compositions and meat lipids properties in broiler chicks.

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3전국에서 도축된 가축의 잔류검사에서 검출된 잔류물질 비교조사

저자 : 박찬일 ( Chanil Park ) , 김지향 ( Ji Hyang Kim ) , 방성민 ( Seong Min Bang ) , 박양순 ( Yang Soon Park ) , 고대성 ( Dae Sung Go )

발행기관 : 한국동물위생학회(구 한국가축위생학회) 간행물 : 한국가축위생학회지 (KOJVS) 43권 1호 발행 연도 : 2020 페이지 : pp. 17-21 (5 pages)

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It was carried out to investigate the antibiotic residues detected by the residue tests for edible tissues of slaughtered livestock in Korea from January to November in 2019. Positive cases of qualitative test and analytical test for 11 months were 689 and 341, respectively. Positive cases of analytical test for cattle, pigs, horses and poultry were 164, 168, 2 and 7, respectively. Antibiotics were detected from 472 materials from 341 cases and classified as β-lactams 162 (37.9%), aminoglycosides 141 (33%), quinolones 69 (16.2%), sulfonamides 23 (5.4%), amphenicols 10 (2.3%), tetracyclines 9 (2.1%), macrolides 6 (1.4%) and the rest 7 (1.4%). Other materials were benzyl penicillin 119 (27.9%), (dihydro)streptomycin 105 (24.6%) and enrofloxacin (including ciprofloxacin) 39 (9.1%). In conclusion, strict management of benzyl penicillin and streptomycin in cattle and pigs should be implemented to reduce the positive cases of slaughtered livestock in Korea.

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4광주지역 도축 돼지 및 가공품 E형 간염 실태 조사

저자 : 정하진 ( Hajin Jeong ) , 김지연 ( Jiyeon Kim ) , 최인수 ( Insu Choi ) , 성창민 ( Changmin Seong ) , 박자윤 ( Jayun Park ) , 박지영 ( Jiyeong Park ) , 안아진 ( Ahjin An ) , 곽진주 ( Jinju Gwak ) , 장미선 ( Miseon Jang ) , 서계원 ( Kyewon Seo ) , 김용환 ( Yonghwan Kim )

발행기관 : 한국동물위생학회(구 한국가축위생학회) 간행물 : 한국가축위생학회지 (KOJVS) 43권 1호 발행 연도 : 2020 페이지 : pp. 23-29 (7 pages)

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Hepatitis E Virus (HEV) infection is a worldwide disease and the primary cause of acute viral hepatitis in the world. It can be isolated from many different species including pigs. HEV is a zoonotic pathogen and foodborne disease. The main animal reservoir is domestic pigs. It is usually asymptomatic in pig but it is a public health concern, causing acute hepatitis in humans of varying severity. This study focused on the presence of HEV in pig and pork product. One hundred feces and one hundred fifty serum samples were randomly collected from pigs in slaughterhouses in Gwangju from November in 2018 to February in 2020. In addtion, seventy-five pork products were collected from markets in Gwangju. Feces and pork product samples were examined for the presence of HEV RNA using an reverse-transcription realtime PCR (RT-qPCR) assay. Serum samples were tested for the presence of HEV-specific IgG antibodies using Enzyme-linked immunosorbent assay (ELISA). HEV antigen and antibody positive rates were 3.0% (3/100) and 19.3% (29/150), respectively, in Gwangju and nearby areas such as Jeonnam and Jeonbuk. However, HEV antigen was not detected from any of pork product in this study. In conclusion, the prevalence of HEV should be continuously monitored because HEV was sporadically detected in Gwangju and nearby areas.

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5서울동물원 야생동물의 임상 검체 내 Clostridium 균의 항생제 내성 분석

저자 : 이하늬 ( Hany Lee ) , 여용구 ( Yong-gu Yeo ) , 안상진 ( Sangjin Ahn ) , 김종택 ( Jong-taek Kim )

발행기관 : 한국동물위생학회(구 한국가축위생학회) 간행물 : 한국가축위생학회지 (KOJVS) 43권 1호 발행 연도 : 2020 페이지 : pp. 31-37 (7 pages)

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Clostridial bacteria are zoonotic agents, which cause severe necrotizing enteritis, pseudo-membrane colitis, enterotoxemia to both humans and animals. The objective of this study was to monitor the antibiotic resistance of Clostridium isolates on clinical specimens from wild animals in Seoul zoo for 5 years. Clostridium isolates were verified by using Vitek2 compact machine. Antibiotic susceptibility was assessed by antibiotic disc diffusion test, which was followed by Kirby-Bauer disc diffusion test method. The frequency of Antimicrobial resistance of Clostridium isolate was the greatest in gentamicin (87%), then in order of amikacin (80%). There were 55.6% of Clostridium isolates showed multiple drug resistance (MDR). These results showed that a lot of Clostridial bacteria from wild animals in Seoul zoo were acquired antibiotic resistance. Because of the wild animal's aggressive manner, it has been hard to collect clinical samples from wild animals in a zoo to exam antibiotic susceptibility. For these reasons, empirical use of antibiotics has been performed in frequently. It may cause to increase the emergence of antibiotic resistance bacteria. In addition, the antibiotic resistance bacteria from zoo animals can be spread to other wild animals which inhabit around the zoo. Therefore, regular monitoring of antibiotic resistance Clostridial bacteria is important to protect animals and humans from Clostridial diseases.

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6Exposure to low concentrations of mycotoxins triggers unique responses from the pig gut microbiome

저자 : Sung-hyun Moon , Sang-eog Koh , Yeonsu Oh , Ho-seong Cho

발행기관 : 한국동물위생학회(구 한국가축위생학회) 간행물 : 한국가축위생학회지 (KOJVS) 43권 1호 발행 연도 : 2020 페이지 : pp. 39-44 (6 pages)

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The aim of this study is to investigate how the gut microbiome shifts when pigs were exposed with low concentrations of mycotoxins, deoxynivalenol (DON) and zearalenone (ZEN) in feed. Fifteen of pigs, 15 kg in weight which were negative for PRRSV and PCV2 were purchased, acclimatized until 20 kg in weight, and randomly divided into 3 groups; the DON group (DON treated), the ZEN group (ZEN treated) and the CTL (untreated negative control). DON and ZEN administered to each group for 30 days at 0.8 mg/kg (800 ppb) and 0.20 mg/kg (200 ppb) in feed, respectively. After extraction of microbial DNA from intestine and fecal samples, sequencing procedures were performed in the Ion PGM using an Ion 316 V2 chip and Ion PGM sequencing 400 kit. The results suggested that the bacterial communities in duodenum, jejunum and ileum of the DON and ZEN groups presented low-abundant OTUs compared with the CTL group. OTUs in cecum, colon and feces were determined more than in small intestine of all three groups. However, the CTL group yielded more OTUs than other two groups in inter-group comparison. It is not fully clarified how the richness and abundance in microbiome functions in the health condition of animals, however, the exposure to DON and ZEN has caused microbial population shifts representing microbial succession and changes following the diversity and abundance of porcine gut microbiome. The metabolomic analysis correlate with microbiome analysis is needed for further study.

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