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  • Title: Respiratory syncytial virus infection in transported calves.
    Author: Gillette KG, Smith PC.
    Journal: Am J Vet Res; 1985 Dec; 46(12):2596-600. PubMed ID: 2417510.
    Abstract:
    Nasal swab samples were collected from calves on individual farms in Tennessee and sequentially at an auction barn and at a feedlot to detect respiratory syncytial virus (RSV). In 1976, RSV was isolated from 5 of 225 calves at the auction barn and from 13 of 92 calves examined at the feedlot. Of the 13 isolations, 11 were from calves with acute respiratory tract disease. Most (14/18) calves infected with RSV were also shedding parainfluenza-3 virus in their nasal secretions. Attempts to isolate RSV in the 1977 study were unsuccessful, but there was serologic evidence of RSV infection. Most calves had serum antibody to RSV when examined initially at the farm or at the auction barn. Approximately 46% (46/99) of calves in the 1976 study and 71% (40/56) of calves in the 1977 study had a greater than or equal to 4-fold increase in serum antibody titer to RSV from auction barn to feedlot sample collection.
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