Porcine reproductive and respiratory syndrome virus (PRRSV) infection is the leading cause of economic casualty in swine industry worldwide1,2. The virus can cause reproductive failure, respiratory disease, and growth retardation in pigs. Vaccination with modified live vaccines (MLV) is still the principal means used to control PRRSV infection. This report presents observations made with a new genotype 1 based MLV against PRRS (UNISTRAIN®) in Germany. The main aim was the evaluation of reproductive parameters after a change in the vaccine.
Improvement of reproduction parameters in a German sow herds after vaccination with UNISTRAIN
Publications
Swine
Appeared in
IPVS Congress, 2014
After the change of vaccine the reproduction data of the farm improved. No side effects occurred and the production was successfully stabilized.
Nevertheless the transmission of PRRSV from sows to piglets couldn`t be found the nursery remained PRRSV positive and showed clinical signs of PRDC. A full clinical stabilisation would require a piglet vaccination.
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