• 제목/요약/키워드: Quarantine service

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수출용 황금배의 저온저장 중 검역병해충 발생조사 (Quarantine Pest Occurrence in Exporting Pear Fruits (Pyrus pyrifolia Nakai cv. Whangkeumbae) during Cold Storag)

  • 이호기;우창남;남궁승박;서용선;나진호;김영일;김기경;김병기
    • 원예과학기술지
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    • 제18권1호
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    • pp.22-27
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    • 2000
  • 배를 캐나다 등 외국에 수출할 시는 수출 상대국의 검역요건에 맞추어 주어야 한다. 수출국 특히 캐나다에 수출되는 배의 검역상 문제점을 찾아 그 해결법을 제시하고자 수출 조건에서 수출 단계별 검역규제병해충을 조사하였다. 조사 결과 복숭아명나방과 복숭아순 나방이 발견되었으나 이들은 저온처리로 인하여 모두 사멸되었다. 해충은 복숭아심식나방류 유충이 과실로 이동되는 시기에 방제를 소홀히 한 생산지 과실에서 발견되었으므로 복숭아명나방 등 심식나방류 유충이 과실로 이동되는 시기에 예찰을 철저히 하여 적기방제 하는 것이 필요하다. 한편 병원균은 과실의 선과 작업과 이동할 때 생긴 압상, 자상 등 상처를 통하여 Penicillium sp. 및 Alternaria sp.의 부생균이 감염된 것이 발견되고 검역병원균은 발견되지 않았다. 그러나 이들 병원균도 비록 비검역병원균이라고 하지만 부패과실이 일정비율 초과할 경우 수출자가 수입자에게 이를 보상하여야 하므로 수출배 중 외피가 얇은 황금배 등은 수확 후 운송과정과 선과장 선과 작업 중에 특별한 주의가 요구된다.

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고병원성 가금인플루엔자의 최근 발생동향과 질병 특성 (Current Status and Characteristics of Highly Pathogenic Avian Influenza)

  • 김재홍;성환우;권용국;이윤정;최준구;조성준;김민철;이은경;장환;위성환;모인필;송창선;박종명
    • 한국가금학회지
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    • 제31권2호
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    • pp.119-128
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    • 2004
  • Highly Pathogenic Avian Influenza (HPAI) is a very acute systemic disease in poultry, particularly in chickens and turkeys caused by HPAI viruses. An outbreak of HPAI caused by subtype H5N1, was first reported in a broiler breeder farm on December 10, 2003 in Korea, although there had been twenty one outbreaks of the disease reported in the world before. Since mid-December 2003, eight Asian countries have confirmed outbreaks of HPAI due to the same subtype. The outbreak has also resulted in at least twenty three fatal human cases in Vietnam and Thailand as of May 17, 2004 according to the WHO. Regarding the first outbreak of recent Asian HPAI, it has been suspected that some Asian countries with the exception of Korea and Japan veiled the fact of HPAI outbreaks since the last half of 2003, even though it was first reported in Korea. There have been total nineteen outbreaks of HPAI among chicken and duck farms in 10 provinces in Korea since Dec. 2003 and approximately 5,280,000 birds were slaughtered from 392 farms for eradication of the disease and preemptive culling. The origin of the H5Nl HPAI virus introduced into the country are unknown and still under epidemiological investigation. Current status of outbreaks and characteristics of HPAI will be reviewed and discussed on the basis of genetic, virological, clinicopathological, and ecological aspect, as well as future measures for surveillance and prevention of the disease in Korea.

개와 고양이에서 분리된 그람음성균의 항생제 감수성 양상 (Antimicrobial Susceptibility of Gram-Negative Bacteria from Dogs and Cats)

  • 김대근;신동호;김하영;변재원;이경현;이오수;정병열
    • 한국임상수의학회지
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    • 제28권4호
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    • pp.348-351
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    • 2011
  • The purpose of this study was to determine the distribution of gram-negative bacteria isolated from companion animals with sepsis, and to investigate the antimicrobial susceptibility patterns of the isolates. Bacterial pathogens were isolated from specimens of dogs and cats submitted to National Veterinary Research and Quarantine Service between 2008 and 2009. A total of 44 gram-negative pathogens were isolated from necropsied organs. The most common isolates were E. coli (n = 33), K. pneumoniae (n = 4) and B. bronchiseptica (n = 4). Most of gram-negative isolates were susceptible to ceftiofur (68.2%), colistin (84.1%), florfenicol (84.1%) and spectinomycin (61.4%). Most of those were resistant to ampicillin (77.3%), erythromycin (86.4%), flumequine (65.9%), lincomycin (97.7%), oxytetracycline (61.4%), penicillin (100%), streptomycin (63.6%), spiramycin (97.7%), sulfamethoxazole (90.9%), tylosin (97.7%) and tiamulin (100%). In conclusion, colistin and florfenicol could be useful against sepsis due to gram-negative bacteria.

부루세라 RB51 백신의 임신소에 대한 안전성 (The Safety of Brucella abortus strain RB51 in pregnant cattle)

  • 김종만;우승룡;이지연;정석찬;진영화;김재훈;권창희;윤용덕;유한상
    • 대한수의학회지
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    • 제43권4호
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    • pp.667-675
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    • 2003
  • The safety of Brucella abortus strain RB51(SRB51) was investigated in dairy cows and Korean native cattle of 4~7th month of gestation. From experimentally inoculated cattle, 18 of 25 (72.0%) dairy cows, and 3 of 10 (30.0%) Korean native cattle were aborted or delivered premature fetus. There were no significant differences in the incidence of abortion depending on the inoculation route (intramuscular and subcutaneous) and dosages ($1{\times}10^9$, $2.8{\times}10^9$, and $4.0{\times}10^9$ CFU). The antibodies to the SRB51 were measured by a dot blot enzyme-linked immunosorbent assay. The highest titers to SRB51 were detected between 5~7 weeks after inoculation and the specitic antibody could be detected up to 28 weeks after inoculation. The SRB51 was isolated from amnio-allantoic fluid, bronchial lymph node, mammary gland, and supramammary lymph node in 5 of 25 dairy cows during 4 weeks after either abortion or delivery. Although SRB51 was isolated from 4 of 24 aborted fetus or normally delivered calves at parturition time, it was not isolated during 4 weeks afterward. Eleven of twentyfive dairy cows showed the endometritis and/or necrosis until 6 weeks after delivery, no lesions were seen at 8 weeks after delivery and uterus from control dairy cows. The results of present study revealed that SRB51 might induce the clinical signs of brucellosis in the pregnant cattle at 4~7th month of gestation.

Toxoplasmic meningoencephalitis in a stray cat in Korea

  • Kim, Ha-Young;Bae, You-Chan;Woo, Gye-Hyeong;Byun, Jae-Won;Jung, Byeong-Yeal;Park, Jung-Won;Chae, Hee-Sun;Choi, Jae-Yong;Nakayama, Hiroyuki;Hwang, Eui Kyung;Joo, Yi-Seok;Lee, O-Soo
    • 대한수의학회지
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    • 제49권4호
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    • pp.291-295
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    • 2009
  • A dead stray cat was necropsied for zoonotic feline disease monitoring. Grossly, there were no specific lesions. Major microscopic lesions included lymphocytic meningoencephalitis, malacia, and tissue cysts in the cerebral and cerebellar cortex. The size and shape of tissue cysts were identical to those of Apicomplexa including Toxoplasma (T.) gondii. Bradyzoites in the tissue cyst were strongly positive for T. gondii by immunohistochemistry. Electron microscopy revealed that bradyzoites within the tissue cyst were similar to the morphological features of T. gondii. Fresh tissue samples were examined by a polymerase chain reaction assay and resulted in a specific band of T. gondii only in the brain. Based on the results, this case was diagnosed as toxoplasmosis. This is the first case of toxoplasmic meningoencephalitis in a cat in Korea.

돼지 희석정액의 세균오염도 및 유효 항생제 선발 (Bacterial contaminants in extended boar semen and selection of effective antimicrobials)

  • 김하영;변재원;신동호;김형순;윤하정;박최규;이오수;정병열
    • 대한수의학회지
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    • 제50권2호
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    • pp.125-131
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    • 2010
  • Bacterial contamination is an unavoidable finding of the semen collection process in boar and can lead in deleterious effects on semen quality and longevity if left uncontrolled. The purpose of this study is to identify the bacteria in extended boar semen and to select the effective antimicrobials to control of the contaminants. Of 116 extended boar semen samples submitted from eight AI centers in Korea, 39 (33.6%) samples were positive for bacterial contamination. Among 39 contaminated semen, most of them (84.6%) were contaminated with one or two bacterial species and there was no significant difference between two age groups $(\leq\;24\;and\;>\;24\;month\;old).$ Stenotrophomonas maltophilia (n = 18) was the most predominant bacterium followed by Elizabethkingia meningoseptica (n = 12), Sphingomonas paucimobilis (n = 12), Myroides spp. (n = 5), Ochrobactrum anthropi (n = 3), and so on. Enrofloxacin (72.9%), florfenicol (72.9%), bacitracin (49.2%) and tylosin (49.2%) showed higher sensitivity compared with penicillin (13.6%) or aminoglycosides (6.8%-18.6%). Brucella spp., Leptospira spp., Mycoplasma hyopneumoniae, Mycoplasma hyorhinis, Mycobacterium tuberculosis complex were not detected in semen by PCR.