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KMID : 1023520180410040245
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Korean Journal of Veterinary Service
2018 Volume.41 No. 4 p.245 ~ p.250
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Distribution of Lawsonia intracellularis in livestock transport car of slaughterhouse, Korea
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Lee Su-Ji
Lee Hee-Seon
Seo Ji-Soo
Kim Tae-Gyeom
Jeong Jae-Kyo
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Abstract
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Lawsonia intracellularis is the pathogenic agent of porcine proliferative enteritis (PPE). The bacterial pathogen infects the intestinal crypt cells which causes hyperplasia of the infected cells and leads to the process of intestinal pathogenesis. PPE includes some clinical maninfestations, including acute hemorrhagic diarrhea with sudden death in growing pigs and porcine intestinal adenomatosis, to a chronic diarrhea with reduced productivity of the infected pigs. The purpose of the present studies were carried out to determine L. intracellularis in livestock transport car of slaughterhouse. Distribution of L. intracellularis in livestock transport car were conducted using real-time polymerase chain reaction (real-time PCR) testing method, total 300 samples. Of 300 samples, 119 (39.7%) were detected as positive to L. intracellularis in livestock transport car. In seasonal analysis, 42 (28.0%) out of 150 samples in spring and summer season. 77 (51.3%) out of 150 sample in autumn and winter season. In regional analysis, 53 (88.3%) out of 60 cars and the detection ratio showed that regional variation in livestock transport car.
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KEYWORD
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L. intracellularis, Livestock transport car, Real-time PCR
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