A PRRSv-positive farm has a serious neonatal diarrhoea problem in piglets born from primiparous. Diarrhoea appears in the third day of life, although in some cases it is visible from... read more test →
What protection percentage do PPRS vaccines provide? Modified live PRRS vaccines protect in a variable percentage. It is difficult to specify the percentage, as it will vary depending on the... read more test →
In order to control clinical disease due to PRRSV infection -either with or without the combination of vaccines against PRRSV- it is essential to reduce virus introduction and circulation inside... read more test →
First of all, I think the most convenient thing is to try to determine which were the causes that lead to infection being reactivated on the farm, because the situation... read more test →
The first objective has to be to work with a stable farm. To do so, own production gilts have to become positive to the disease but they have to enter... read more test →
In a farrow to finish farm, weaned piglets are depressed with high mortality. 4 and 8 week-old piglets have high PRRS titers and other bacterial agents as H. parasuis seem... read more test →
According to experimental data and also some field tests most pigs would have cleared the infection after 8 weeks, however, it cannot be 100 % excluded that very few pigs... read more test →
A 900-Finishing unit with a deep bedding system is filled with 45-50 days old multi-source pigs. The animals have respiratory symptoms. Six serum samples were taken at animals at different... read more test →
Stabilization of a farm is not easy when we talk about PRRS virus. It is often said that a farm is stable when no reproductive clinical signs are observed, but... read more test →
Late weaning will not affect transmission from sows to piglets. Those sows which are viremic will deliver viremic piglets right from birth. The problem with late weaning is that increases... read more test →
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