- Bedoelde u
- non infectieuses
Zoekresultaten - 1 result
Porcine Reproductive and Respiratory Syndrome virus (PRRSv): A Cross-Sectional Study on ELISA Seronegative, Multivaccinated Sows.
effectiveness appears in some cases to be suboptimal. Field reports have stated the presence of routinely PRRS v-vaccinated but ELISA seronegative sows: the ELISA non-responders. The real extent of this ...