Results 161 to 170 of about 9,051 (214)

Efficacy of porcine parvovirus vaccines

Veterinary Record, 1986
Three inactivated porcine parvovirus vaccines were tested for efficacy in 66 susceptible gilts. The gilts were challenged with virulent virus on the 40th day of gestation. All the vaccines provided excellent protection against fetal mortality despite insignificant serological responses to one of them.
K R, Edwards   +8 more
openaire   +2 more sources

Interepizootic survival of porcine parvovirus

Journal of the American Veterinary Medical Association, 1986
SUMMARY Porcine parvovirus (ppv) was transmitted by direct contact between experimentally infected and susceptible pigs at 1 and 2 weeks, but not at 4, 8, 16, or 25 weeks, after experimental infection. In contrast, ppv was found to remain infectious for at least 14 weeks in uncleaned rooms previously vacated by experimentally infected pigs.
W L, Mengeling, P S, Paul
openaire   +2 more sources

Farm studies of porcine parvovirus infection

Journal of the American Veterinary Medical Association, 1983
SUMMARY Epizootics of reproductive failure associated with porcine parvovirus infection were investigated on 38 farms. Mummification was common to all epizootics. The mean number of mummified fetuses per affected litter was 3.1. Mean number of pigs born alive for gilts and sows farrowing litters with mummified fetuses was 5.0, but for sows without ...
R S, Cutler   +3 more
openaire   +2 more sources

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