Serological Survey to Determine the Occurrence of Malignant Catarrhal Fever Infection in the Japanese Small Ruminant Population from Northern Districts

  • GIANGASPERO Massimo
    Department of Veterinary Microbiology, School of Veterinary Medicine, Faculty of Agriculture, Iwate University, 3–18–8 Ueda, Morioka, Iwate 020–8550, Japan
  • SAVINI Giovanni
    Istituto Zooprofilattico Sperimentale dell’Abruzzo e Molise “G.CAPORALE”, Via Campo Boario, 64100 Teramo, Italy
  • OSAWA Takeshi
    Laboratory of Theriogenology, School of Veterinary Medicine, Faculty of Agriculture, University of Miyazaki, 1–1 Gakuen-Kibanadai-Nishi, Miyzaki 889–2192, Japan
  • HARASAWA Ryô
    Department of Veterinary Microbiology, School of Veterinary Medicine, Faculty of Agriculture, Iwate University, 3–18–8 Ueda, Morioka, Iwate 020–8550, Japan

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抄録

Ovine herpesvirus 2 (OvHV-2) causes sheep-associated malignant catarrhal fever (SA-MCF), and is responsible for economic losses in cattle and other susceptible species around the world. A survey of 154 serum samples from 14 flocks in 3 Japanese prefectures (Hokkaido, Aomori and Iwate) was undertaken between 2007 and 2008 to test for antibodies to OvHV-2. OvHV-2 was present in 56 sheep and 2 goats, with 37.66% of samples having a positive reaction using a serum neutralization test. The immune reaction reported in goats could result from Caprine herpesvirus-2. These results indicate that sheep are reservoirs for OvHV-2 in the field in Japan, and they might transmit the virus to susceptible cattle and wild fauna.

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