ISOLATION OF SAN MIGUEL SEA LION VIRUS FROM SAMPLES OF AN ANIMAL FOOD PRODUCT PRODUCED FROM NORTHERN FUR SEAL (CALLORHINUS-URSINUS) CARCASSES

  • 1 January 1978
    • journal article
    • research article
    • Vol. 39  (1) , 137-139
Abstract
A virus was isolated from California sea lions (Zalophus californianus californianus) and northern fur seals (C. ursinus) in 1972. It was later named San Miguel sea lion virus (SMSV). State and federal livestock disease control agencies became concerned, because SMSV was indistinguishable from vesicular exanthema of swine virus and to cause (in laboratory trials) clinical signs in swine similar to those produced by vesicular exanthema of swine virus. Ground carcasses of northern fur seals, salvaged after harvesting pelts, are fed to mink on ranches in the USA. Domestic swine are kept on some of these same ranches. Samples withheld from lots of this seal carcass mink food contained SMSV (serotype 5) in titers of 106.1 and 106.8 tissue culture infective doses.

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