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If you are producing PRRSV negative piglets at weaning from PRRS vaccinated sow herd but they are transferred to a PRRS positive finishing site (with PRRS related respiratory symptoms) at... read more test →
In the post-weaning period we observe PRRS seroconversion with a mortality of up to 35%. The piglets present symptoms consistent with circovirosis, although the histological and serological results only indicate... read more test →
Length of the quarantine: When we want to introduce negative replacements to a PRRS positive farm, the quarantine, or acclimation rather, must be long. "Long" meaning a period of not... read more test →
PRRSv is infamous for inducing severe reproductive problems when introduced into naïve / susceptible herds. The main problems are seen in late-term gestating sows (after day 90 of gestation) when... read more test →
With the strains of PRRSV currently circulating in South-East Asia, what mortality level is to be expected in an unvaccinated herd? Has the highly pathogenic PRRS virus epidemic burned out?... read more test →
The iatrogenic transmission by contaminated needles can indeed be a source of PRRS virus and other diseases transmission – this has been proved in several controlled experimental studies. In the... read more test →