• Title/Summary/Keyword: Animal and Plant Quarantine Agency

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Cat diseases diagnosed in Korea, 2015~2017

  • Jung, Ji-Youl;Lee, Kyunghyun;Choi, Eun-Jin;Lee, Hyunkyoung;Moon, Bo Youn;Kim, Ha-Young;So, ByungJae
    • Korean Journal of Veterinary Service
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    • v.41 no.2
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    • pp.119-123
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    • 2018
  • There has recently been a growing demand for pathodiagnosis to determine the cause of death in cats. We retrospectively analyzed the diseases diagnosed in cats that were submitted to Animal and Plant Quarantine Agency (APQA) in 2015~2017. Overall diagnostic rate in feline samples was 85.2% (n=104/122). Among diagnosed cases, infectious diseases (n=63) were responsible for most of the feline diseases and feline panleukopenia (n=29) were most prevalent. Highly pathogenic avian influenza (HPAI) H5N6 was first diagnosed in cats at the end of December 2016 in the HPAI outbreaks. One case in 2015, 4 cases in 2016, and 14 cases in 2017 were associated with animal abuse, such as trauma and poisoning. These results suggest that suitable vaccination of feline infectious diseases, monitoring of the susceptible domestic animals during HPAI outbreaks, and interest on veterinary forensics to prevent and determine animal abuse are needed.

Development of an RT-PCR assay and its positive clone for plant quarantine inspection of American plum line pattern virus in Korea

  • Da-Som Lee;Junghwa Lee;Seong-Jin Lee;Seungmo Lim;Jaeyong Chun
    • Korean Journal of Agricultural Science
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    • v.49 no.4
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    • pp.821-831
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    • 2022
  • American plum line pattern virus (APLPV), a member of the genus Ilarvirus in the family Bromoviridae, is one of the plant quarantine pathogens in Korea. In this study, 15 candidate primer sets were designed and examined to develop a reverse transcription polymerase chain reaction (RT-PCR) assay for plant quarantine inspection of APLPV. Using APLPV-infected and healthy samples, the primer sets were assessed for APLPV detection. To confirm the occurrence of nonspecific reactions, six ilarviruses (Apple mosaic virus, Asparagus virus 2, Blueberry shock virus, Prune dwarf virus, Prunus necrotic ringspot virus, and Tobacco streak virus) and 10 target plants (Prunus mume, P. yedoensis, P. persica, P. armeniaca, P. dulcis, P. tomentosa, P. avium, P. glandulosa, P. salicina, and P. cerasifera) were examined. Finally, two primer sets were selected. These primer sets could generate the expected amplicons even with at least 1 ng of the total RNA template in concentration-dependent amplifications. In addition, a positive clone was developed for use as a positive control in the abovementioned RT-PCR assay.

Application of carbon dioxide as a novel approach to eradicate poultry red mites

  • Kang, JeongWoo;Hossain, Md Akil;Jeong, Jiyeon;Park, Haechul;Kim, Jin-Hyun;Kang, Min-Su;Kwon, Yong-Kuk;Kim, Yong-Sang;Park, Sung-Won
    • Journal of Veterinary Science
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    • v.21 no.2
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    • pp.37.1-37.5
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    • 2020
  • Poultry red mites (PRMs), Dermanyssus gallinae, are one of the most harmful ectoparasites of laying hens. Because of their public health impact, safe, effective methods to eradicate PRMs are greatly needed. Carbon dioxide (CO2) was shown to eradicate phytophagous mites; however, there is no evidence that PRMs can be eradicated by CO2. Thus, the efficacy of CO2, applied by direct-spraying and dry ice-generated exposure, for eradicating PRMs was investigated. Both treatments eradicated > 85% of PRMs within 24 h and 100% of PRMs by 120 h of post-treatment. Therefore, these novel approaches may be useful for eradicating PRMs in clinical settings.

Devastating endosulfan poisoning in Korean native cattle (한우 집단 폐사를 유발한 엔도설판 중독 사례)

  • Lee, Bo-Ram;Lee, Hyun-Kyoung;Lee, Kyung-Hyun;Yoon, Soon-Seek;Kim, Meekyung;Park, Jung-Won;Jeong, Seon-Hyang;Lee, Myoung-Heon;Bae, You-Chan
    • Korean Journal of Veterinary Research
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    • v.53 no.4
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    • pp.269-271
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    • 2013
  • Here, we report the poisoning case of 10 cows. Several distinct clinical signs such as convulsion, excessive salivation, circling, lateral recumbency, and death were observed. Necropsy and histopathological examination did not reveal any significant abnormal findings. Moreover, no bacteria or viruses were detected in tissue, blood, and feeding food. However, endosulfan was detected from the stomach contents and microbials. Our results strongly suggest that death of cows may be closely associated with endosulfan poisoning.

Survey of bovine norovirus infections from diarrheic calves in South Korea, 2015-2017

  • Lee, Eun-Yong;Kang, Hyung-Woo;Kim, Ha-Young;Kim, Seong-Hee;Moon, Boyoun;So, Byung Jae;Lee, Kyoung-Ki;Kim, Yeon-Hee
    • Korean Journal of Veterinary Research
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    • v.59 no.1
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    • pp.33-36
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    • 2019
  • This study examined complex infections with various enteropathogens and the genetic diversity of bovine norovirus (BNoV) in 932 fecal samples from diarrheic calves in South Korea. Overall, seventeen (1.8%) of the samples tested positive for BNoV following RT-PCR examination. All BNoV-positive samples were co-infected with other intestinal pathogens, including bovine Rotavirus, Giardia, Cryptosporidium, and Escherichia coli. The genetic diversity of the BNoVs shared high nucleotide identity (98.1-99.5%) and amino acid homology (93.5-98.1%) with genotype 2 BNoV (GIII.2) strains. In conclusion, BNoV infections with GIII genotypes were detected in complex infections of diarrheic calves in South Korea.

Malignant melanoma in a grey pony, Korea (회색 조랑말에서 발생한 악성 흑색종 증례)

  • Kim, Ji-Hyeon;Lee, Hyunkyoung;Lee, Kyunghyun;Baek, Kanghyun;Choi, Eunjin;So, ByungJae;Yang, Siyeon
    • Korean Journal of Veterinary Service
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    • v.39 no.3
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    • pp.199-204
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    • 2016
  • A 16 year-old female grey pony was presented to Animal and Plant Quarantine agency for diagnosis in Feb 2, 2015. At necropsy, multiple pigmented masses, likely melanomas, were detected peri-anally and under the tail. Further metastatic spread to the spleen, liver, lung and lymph nodes was also identified. Histopathologically, anaplastic and pleomorphic melanocytes were observed in the mass. By immunohistochemistry, PNL2, S100 and PGP 9.5 protein were detected, but Melan A was not expressed in the neoplastic melanocytes. Based on the pathological and immunohistochemical examination, we diagnosed this case as malignant melanoma in a grey pony. To the authors' knowledge, this is the first report of equine malignant melanoma in republic of Korea.

Necrotizing Enteritis Caused by Pharyngostomum cordatum Infection in a Stray Cat

  • Kim, Ji-Hyeon;Lee, Kyunghyun;Sohn, Woon-Mok;Kim, Ha-Young;Lee, Yu-Ran;Choi, Eun-Jin;So, ByungJae;Jung, Ji-Youl
    • Parasites, Hosts and Diseases
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    • v.57 no.1
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    • pp.17-20
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    • 2019
  • A stray female cat of unknown age, presenting bright red watery diarrhea, was submitted to the Animal and Plant Quarantine Agency for diagnosis. In the small intestines extracted from the necropsied cat, numerous white oval-shaped organisms were firmly embedded in the mucosa and there was thickening of intestinal wall. Histopathological analysis revealed severe necrotizing enteritis, together with atrophied intestinal villi, exfoliated enterocytes, and parasitic worms. Recovered worms were identified as Pharyngostomum cordatum by morphological observation and genetic analysis. Although P. cordatum is known to occur widely in Korea, this is the first clinical description of an infection by P. cordatum causing severe feline enteritis.

Epitheliogenesis imperfecta in three Korean indigenous calves (3마리의 한우 송아지에서 발생한 불완전상피증 증례)

  • Lim, Ji-Hee;Lee, Hyun-kyoung;Lee, Kyung-hyun;Baek, Kang-hyun;Lee, Myoung-Heon;Choi, Eun-Jin;Bae, You-Chan
    • Korean Journal of Veterinary Service
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    • v.38 no.3
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    • pp.189-193
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    • 2015
  • Epitheliogenesis imperfecta is a congenital disease in which localized or widespread defect areas of squamous epithelium of the skin. Epitheliogenesis imperfecta is rare anomaly of calves, piglets, foals, lambs, puppies, and kittens. Three cases of epitheliogenesis imperfecta in Korean indigenous calves were diagnosed in animal and Plant Quarantine Agency in 2011~2014. In this paper, we tried to report them in detailed and compare with similar cases occurred in other countries.

Porcine ear necrosis syndrome by coinfection of porcine reproductive and respiratory syndrome virus and Staphylococcus hyicus (PRRSV와 Staphylococcus hyicus 복합감염에 의한 돼지 귀 괴사 증후군 증례 보고)

  • Lee, Seunghee;Jung, Ji-Youl;Kim, Seong-Hee;Kim, Jong-Wan;Park, Jung-Won;Kang, Dae-Young;Her, Ji-Woong;Jeong, Yea-Ji;So, Byung Jae;Yoon, Soon-Seek
    • Korean Journal of Veterinary Research
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    • v.57 no.2
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    • pp.143-146
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    • 2017
  • Porcine ear necrosis syndrome is characterized by erosive and ulcerative lesions at the margin or tip of the pinna. Three growing pigs of different ages exhibited retarded growth accompanied by reddening and necrosis of ear prior to death. Gross examination showed reddening, swelling, black discoloration, scaling, and variable-sized yellowish materials and edema in ear cross section. Microscopically, thrombosis, abscess, ulceration, epidermal hyperplasia, and dermal pyogranulomatous inflammation with an intralesional bacterial colony were observed. Staphylococcus hyicus was isolated in all pigs' ears and porcine reproductive and respiratory syndrome virus was detected by PCR and immunohistochemistry.

In Vitro Activities of Antimicrobials Against Brucella abortus Isolates from Cattle in Korea During 1998-2006

  • Heo, Eun-Jeong;Kang, Sung-Il;Kim, Jong-Wan;Her, Moon;Cho, Dong-Hee;Cho, Yun-Sang;Hwang, In-Yeong;Moon, Jin-San;Wee, Sung-Hwan;Jung, Suk-Chan;Nam, Hyang-Mi
    • Journal of Microbiology and Biotechnology
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    • v.22 no.4
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    • pp.567-570
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    • 2012
  • In vitro activities of 13 antibiotics were assessed against 85 Brucella abortus isolates from naturally infected cattle in the Republic of Korea during 1998-2006, using broth microdilution test. Tetracyclines showed the most excellent activity against B. abortus, displaying MIC values of 0.5 ${\mu}g/ml$ or below. In particular, minocycline showed the lowest $MIC_{50/90}$ values (0.125/0.125 ${\mu}g/ml$) in this study. Among four fluoroquinolones tested, ciprofloxacin ($MIC_{50/90}$, 0.5/1 ${\mu}g/ml$) and norfloxacin ($MIC_{50/90}$, 8/8 ${\mu}g/ml$) had the most and the least activities, respectively. Gentamicin ($MIC_{50/90}$, 1/1 ${\mu}g/ml$) was more effective than streptomycin, erythromycin, rifampin, and chloramphenicol ($MIC_{50/90}$, 2/2 ${\mu}g/ml$).