ISOLATION OF TRANSMISSIBLE GASTROENTERITIS VIRUS, PSEUDORABIES VIRUS, AND PORCINE ENTEROVIRUS FROM PHARYNGEAL SWABS TAKEN FROM MARKET-WEIGHT SWINE

  • 1 January 1981
    • journal article
    • research article
    • Vol. 42  (11) , 1987-1989
Abstract
Pharyngeal swab samples were collected at a central Iowa [USA] abattoir from 6010 market-weight slaughter hogs from Sept. 1, 1979-Aug. 31, 1980. The swab samples were examined for cytopathic viruses by inoculation of monolayer cultures of a continuous line of swine testicular cells. Of the 6010 swag samples tested, transmissible gastroenteritis virus was isolated from 91 (1.51%), pseudorabies virus was isolated from 431 (7.17%) and porcine enterovirus was isolated from 21 (0.35%). Although all 3 viruses were identified throughout the year, transmissible gastroenteritis and pseudorabies viruses were found more frequently during the winter and early spring. Porcine enterovirus was detected more frequently during the spring and summer.

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