Hipra Portugal

How do turbinate atrophy and the effect on cilia caused by B. bronchiseptica affect the incidence of S. suis and porcine respiratory disease complex?

Are we using the best samples and techniques to monitor PRRS absence in boar studs?

A case study on identifying and addressing entry-related biosecurity hazards on a sow farm.

PRRS creates frustrating challenges as it seems we have to keep learning the same lessons we already know, along with the occasional new chapter.

Too often a single sequence information is used to make important conclusions regarding virus source, especially for new PRRS outbreaks, guiding outbreak investigations, and future interventions.

In this article we will focus the discussion on the practical applications of the new monitoring systems.

By May 2023, 85% of all Danish pig herds have a serological PRRS status. Area eradication programs have been established in regions with a high density of PRRS seropositive herds. The Danish Agriculture & Food Council has taken a range of initiatives with the purpose of paving the road for a national reduction of PRRS, including an implementation strategy, digital tools, common guidelines for the classification, monitoring, and eradication of PRRSV, and project funding resources.

Here we will focus the discussion on the practical applications and on lessons learned from recent field studies on response strategies for PRRSV management in affected breeding herds.

The collection of tongues from stillborn piglets as a system to monitor the stability at farrowing serves to improve PRRS virus detection.

Consider these factors when deciding to eliminate or control PRRSv.

The goal is set in Danish pig production - By 2025, 75% of all finishers will be PRRS seronegative at slaughter. This will be achieved by a close corporation between veterinary authorities, the pig industry, slaughter companies, veterinarians and producers.

The Hungarian PRRS eradication program is based on a territorial approach as it is the only approach by which the infection or reinfection of PRRSV-free pig herds can be avoided with high probability.

With more herds breaking with highly virulent PRRS strains, what can we do to prevent and control infection? How does the 1-4-4 L1C strain differ?

This PRRSV strain is affecting the U.S. Understanding where these viruses come from can help us stop this cycle.

Do we know what percent of imported batches of pigs are viremic for PRRS and to which strains?

What samples should be taken for the new PRRS categories according to the American Association of Swine Veterinarians (AASV) guidelines?

We review what's new in the American Association of Swine Veterinarians (AASV) guidelines, which include new monitoring techniques and expanded and modified categories.

High virulence PRRS virus strains cause more accentuated clinical symptoms, higher mortality, higher viral load and dissemination in body tissues, as well as a higher inflammatory response.

In this article we summarize further discussions that we had with Dr. Nauwynck about his research findings on PRRS virus-host evolution.

The end goal of any control program should always be to stop the virus from circulating in the sows in order to create a flow of negative growing pigs.

Dr. Hans Nauwynck, a well-known professor at the University of Ghent, reviews with us the most important findings that he has made in PRRS virus research since it was first discovered 30 years ago.