An Atypical Porcine Proliferative Enteropathy of Malgrowth Piglets

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  • SUEYOSHI Masuo
    Laboratory of Veterinary Hygiene, Department of Veterinary Science, University of Miyazaki
  • ARIKAWA Akinobu
    Miyazaki Prefectural Federation of Agricultural Mutual Aid Association Veterinary Clinic and Training Center
  • UEMURA Ryoko
    Laboratory of Veterinary Hygiene, Department of Veterinary Science, University of Miyazaki
  • NAKAMORI Kentaro
    Laboratory of Veterinary Hygiene, Department of Veterinary Science, University of Miyazaki
  • NAGATOMO Hiroshi
    Laboratory of Veterinary Hygiene, Department of Veterinary Science, University of Miyazaki

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  • Pathology: An atypical porcine proliferative enteropathy of malgrowth piglets

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Abstract

Two 60-day-old pigs showing clinical signs of malgrowth and diarrhea were diagnosed as atypical porcine proliferative enteropathy (PPE). The intestinal mucosal lesions in the piglets were characterized by the adenomatous proliferation of the crypt epithelium together with growth of small curved bacteria within the enterocytes. The lesions could be seen in the ileum and other portions of the intestine histologically, although no significant thickening of the gut wall could be observed grossly in the present case. The macroscopic findings are extremely important for the diagnosis of PPE, however, this paper shows that the histopathological and/or immunohistochemical findings were also critical to identify the disease.<br>

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