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Zoekresultaten - 99 results
Prevalence of herds with young sows seropositive to pseudorabies (Aujeszky's disease) in northern Belgium.
conducted in the five provinces of northern Belgium to estimate the provincial pseudorabies virus (PRV) herd seroprevalence. Seven hundred and twenty randomly selected herds were included in this survey. To ...
An experimental infection with classical swine fever virus in weaner pigs. I. Transmission of the virus, course of the disease, and antibody response.
isolated in the first CSF infected herd of the 1993-1994 Belgian epizootic, was examined in an isolation unit with three adjacent pens and 15 weaner pigs per pen. Virus was introduced through experimental ...
An experimental infection with a classical swine fever virus in weaner pigs. II. The use of serological data to estimate the day of virus introduction in natural outbreaks.
model was applied to seroprevalence data from three outbreaks of the 1993-1994 epizootic to test whether the model could predict correctly the day of virus introduction into the herd. It was concluded ...
Epidemiological characteristics of an outbreak of classical swine fever in an area of high pig density.
a policy of non-vaccination, intensive surveillance and eradication in an area of high pig density. The virus was found in 52 herds, where some 90,000 pigs were slaughtered. The clinical signs were vague and ...
Epidemiological evaluation of a monoclonal ELISA detecting antibodies against bovine leukaemia virus in serum pools.
suitable for the detection of BLV infected herds in eradication campaigns. Health Topics: Animal health Category: A1 FOS Classification: 4.03 Veterinary science ...
Diagnosis of bovine brucellosis by enzyme immunoassay of milk.
of these tests were compared with those of the milk ring test (MRT) by analyzing 3212 bulk milk samples from farms located in regions where brucellosis is prevalent. Among the 105 herds detected by ...
Experimental transmission of enzootic bovine leukosis to cattle, sheep and goats: infectious doses of blood and incubation period of the disease.
antibody titers to gpBLV antigens. Identification and removal of infectious animals would reduce or stop the spread of the infection in a herd, and could be used in the strategy to eradicate the disease. ...
Serological and biochemical follow-up in cattle naturally infected with Fasciola hepatica, and comparison with a climate model for predicting risks of fasciolosis.
flukicide treatment of cattle. The indicators of the infection considered alone were useless and it is concluded that herd diagnosis of fasciolosis may rely on the rise of specific antibody levels, possibly ...
(Non-)Sense of Milk Testing in Small Ruminant Lentivirus Control Programs in Goats. Comparative Analysis of Antibody Detection and Molecular Diagnosis in Blood and Milk.
a herd’s infection status. Serum remains however the sample of choice for control programs where it is important to identify positive animals with the highest sensitivity. Health Topics: Animal health Santé ...