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11종의 살비제를 이용한 5개지역 닭진드기의 감수성 평가
이승주,윤종웅,박근호,김현경,김길하,Lee, Seung Ju,Yoon, Jong Ung,Park, Geun Ho,Kim, Hyun Kyung,Kim, Gil-Hah 한국응용곤충학회 2017 한국응용곤충학회지 Vol.56 No.4
5개 지역 양계장에서 채집한 닭진드기(Dermanyssus gallinae) 성충에 대한 11종 살비제의 감수성을 조사하였다. Bifenthrin과 formic acid + pyridaben은 100배의 희석배수로 처리한 결과, bifenthrin은 5가지 지역에서 모두 100%의 살비율을 보였으나 formic acid + pyridaben 합제는 연천과 안성을 제외한 나머지 3지역(경주, 칠곡, 금산)에서 20% 이하의 낮은 살비율을 보였다. 카바메이트계 약제인 carbaryl은 경주(45.0%)를 제외한 4지역에서 100%의 살비효과를 보였다. 유기인계 약제인 dichlorvos는 연천을 제외한 4지역 모두 100%의 살비효과를 보였지만 연천은 66.7%의 살비율을 보였다. 연천과 안성지역의 양계장이 살비제에 대한 감수성이 높게 나타났으나 다른 3지역(경주, 칠곡, 금산)의 경우에는 약제에 따라 활성의 차이를 보였다. Clothianidin, thiamethoxam, fenitrothion, formic acid + pyridaben은 지역에 따라 살비활성의 효과에 차이를 보여 사용 시 주의를 기울여야 할 것이나, carbaryl과 cartap hydrochloride, dichlorvos, bifenthrin은 실험에 사용된 모든 지역에서 활성이 높아 모든 지역에서 사용가능할 것으로 생각된다. 양계장별 살비제 활성이 차이를 보이는바 효과적인 닭진드기의 방제를 위해서는 살비제의 활성평가와 더불어 약제의 교호살포와 무분별한 사용을 지양해야할 것으로 보이며 본 연구가 닭진드기 방제를 위한 기초 자료로 활용될 수 있을 것으로 생각된다. The susceptibility of Dermanyssus gallinae adults, collected from poultry farms in 5 regions, to 11 acaricides was investigated. When bifenthrin and formic acid with pyridaben were diluted 100 times, bifenthrin showed 100% acaricidal activity; however, formic acid with pyridaben showed less than 20% acaricidal activity for poultry farms in 3 regions (Gyeongju, Chilgok, and Geumsan) except Yeoncheon and Anseong. The carbamate compound, carbaryl showed 100% acaricidal activity in most of the regions, except Gyeongju. A phosphorus compound, dichlorvos showed 100% activity in most of the regions, yet 66.7% acaricidal activity in Yeoncheon. The susceptibility of D. gallinae from poultry farms in Yeoncheon and Anseong to most acaricides was high; however, in the other farms, the susceptibility of D. gallinae varied depending on the acaricide. Clothianidin, thiamethoxam, fenitrothion, and formic acid with pyridaben showed differences in acaricidal activity among regions. Therefore, farmers should concentrate during the selection of these acaricides. However, carbaryl, cartap hydrochloride, dichlorvos, and bifenthrin showed high activity against D. gallinae collected from poultry farms in five regions. Therefore, these acaricides could be used in most of these regions. To control D. gallinae effectively, the alternation of acaricides is necessary, and indiscriminate pesticide use should be avoided. Therefore, this study can serve as a basis for controlling D. gallinae.
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육계농장에서 외미거저리(Alphitobius diaperinus) 발생양상 보고
능엔 남하이,양병근,이재선,윤종웅,홍기정,Nguyen, Namhai,Yang, Byung-Kun,Lee, Jae-Seon,Yoon, Jong-Ung,Hong, Ki-Jeong 한국응용곤충학회 2019 한국응용곤충학회지 Vol.58 No.3
딱정벌레목(Coleoptera) 거저리과(Tenebrionidae)에 속하는 외미거저리(Alphitobius diaperinus (Panzer))는 저장곡물해충의 하나로 알려져 있지만, 대부분 이미 피해를 받은 곡물을 섭식하기 때문에 경제적으로 심각한 위협을 초래할 정도는 아니다. 그러나 이 외미거저리 해충은 많은 나라의 가금산업에서 매우 중요한 해충으로 간주되고 있다. 우리나라의 육계농장에서도 외미거저리가 발생하여 문제를 야기하고 있음이 확인되었고, 이 해충의 발생으로 야기되는 문제로는 육계농장의 보온효과 및 병아리의 전반적인 활력을 떨어뜨리고, 병원균을 전염시킴으로써 가금업자에게 상당한 경제적 손실을 가져다주고 있다. 한편, 육계농장에서 이 외미거저리 개체군을 한 가지 방법으로 완전히 제거하기가 쉽지 않기 때문에 적절한 방제방법을 개발하기 위한 노력이 절실하다. While the darkling beetle, Alphitobius diaperinus (Panzer) (Coleoptera: Tenebrionidae) is considered a pest of stored products, it does not pose a significant economic threat to this industry. The grains these beetles feeding on are often already damaged. However, the beetle is now being treated as the foremost premise pest in the poultry industry in many countries of the world. Recently, the darkling beetle has also infested in broiler chicken houses of Korea. The problems caused by this pest destroy the insulate facilities of poultry houses, reduce chick's overall performance, transmit pathogenic organisms, and have been leading to substantial economic losses for poultry producers. Therefore, we conducted surveys on the status of infestation and damage of this pest in broiler chicken houses. Because there is no simple one step process that will completely eliminate darkling beetle populations from broiler facilities, we would like to outline further studies on the proper control measures.
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권혁준,이동우,안영기,윤종웅,김선중,Kwon, Hyuk-joon,Lee, Dong-woo,Ahn, Young-ki,Yoon, Jong-ung,Kim, Sun-joong 대한수의학회 2001 大韓獸醫學會誌 Vol.41 No.1
To clarify for the presence of infectious bronchitis virus (IBV) in Korea before 1986, in which the virus was first isolated, materials collected from chicken diagnostic consignments between 1980 and 1985 and propagated in chicken embryos or cell cultures were screened by the reverse transcriptase polymerase chain reaction (RT-PCR) targeted to the nucleocapsid gene of the virus. Among 11 samples examined, one sample (IBV-SNU80108) submitted in 1980 showed specific PCR product (281 bp). When the amplified product was sequenced, together with IBV vaccine virus H120 strain, and compared with the data for ten other IBV strains derived from the GeneBank, identities between IBV-SNU80108 and other strains in nucleotide and amino acid sequences ranged 96.3% to 63.7% and 96.4% to 69%, respectively. IBV-SNU80108 was distinct from H120 strain by showing 91.9% and 92.9% identities in the respective sequences. This data suggested that IBV genetically distinctive from other foreign IBV strains might be present before 1986 in Korea.
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닭에서 Mycoplasma gallisepticum과 M. synoviae의 항체양성률 조사
장석현 ( Seok Hyun Jang ),강정무 ( Zheng Wu Kang ),정찬이 ( Chan Eee Jung ),윤종웅 ( Jong Ung Yoon ),한태욱 ( Tae Wook Hahn ) 한국가축위생학회 2010 韓國家畜衛生學會誌 Vol.33 No.1
Mycoplasma gallisepticum (MG) is major cause of chronic respiratory disease in chickens. M. synoviae (MS) most frequently occurs a subclinical upper respiratory infection but may result in airsacculitis and synovitis in chickens and turkeys. Both mycoplasmas induce economic losses by triggering chronic respiratory signs, airsacculitis and decreased egg production. For prevention of the infections, live attenuated andinactivated vaccines are commercially used for prevention of MG but not MS in Korea. Serum plate agglutination (SPA) and enzyme-linked immunosorbent assay (ELISA) have been commonly used for serological diagnosis for MG and MS. Recently, it is believed that MS spread in chickens is very seriously in Korea and respiratory infection with MS causes substantial loss in poultry farms. In this study, we investigated the serological prevalence of MG and MS in unvaccinated chickens between 2008 and 2009. The overall seroprevalence of MG was 24% of 2,094 for individual chickens and 24% of 189 farms. The overall seroprevalence of MS was 36% in 2,095 chickens and 39% in 198 farms. The results show that seropositive ratio of MS is higher than MG. The geographical prevalence of MG has been estimated in following sequence; Gangwon, Jeolla, Gyeonggi, Gyeongsang, and Chungcheong. The geographical prevalence of MS has been estimated as follows; Gangwon, Gyeonggi, Gyeongsang, Chungcheong, and Jeolla. Seasonal seroprevalencewas also examined, and it found that seroprevalence in spring, fall and winter was higher than that in summer in MG, but not in MS. No significant difference was shown in seroprevalence according to breed. Future study about pathogenicity of MS isolates would be needed and economical losses by MS outbreaks should be analyzed. Moreover, we compared sero-positivity obtained with SPA and ELISA. The kappa value of MG between SPA and ELISA was 0.8061 and the kappa value of MS between SPA and ELISA was 0.7649.
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