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  • Title: Distribution of antibodies to rotavirus in serum and lacteal secretions of naturally infected swine and their suckling pigs.
    Author: Hess RG, Bachmann PA.
    Journal: Am J Vet Res; 1981 Jul; 42(7):1149-52. PubMed ID: 6267967.
    Abstract:
    Rotavirus antibodies were demonstrated in lacteal secretions and sera of 20 parturient sows and in sera of their newborn by an enzyme-linked immunosorbent assay blocking technique, using bovine rotavirus cell culture antigen and monospecific antibody to bovine rotavirus. Antibodies to rotavirus occur in the 3 immunoglobulin (Ig) classes IgM, IgA, and IgG in lacteal secretions. High and long-persisting antibody activity was mainly associated with the IgA class. The IgM and IgG decreased to undetectable concentrations in most sows during the 14-day investigation period. Serum antibodies of newborn pigs nursing their dams also decreased rapidly during this time. The heterologous enzyme-linked immunosorbent assay blocking technique was a reliable and rapid procedure for the demonstration of rotavirus antibodies.
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