European PRRSpective 2023 session 2 Controlling farm breakdowns
Porcine parvovirus (PPV) is widespread in swineherds globally and causes reproductive failure manifested by the SMEDI-syndrome. DTU VET receives annually between 50-100 samples from aborted fetuses from Danish herds. During recent years, the average prevalence of positive submissions has increased from 4 % to 17 %. The aim of the study is to investigate the genetic and antigenic diversity of Danish PPV isolates. Furthermore, the cross reactivity of antibodies raised to commercial available PPV vaccines was tested.
PRRSV can cause significant impact on reproductive performance in endemically infected herds. This study aimed to investigate sow performance before and after implementation of a sow herd vaccination against PRRSV on a farm in Serbia.
Cough is a common symptom of finishers. Nowadays, real-time technology is available for pig cough recognition as part of a precision livestock farming system1,2. However, once cough is recognized in the field, there is a need for a better understanding of its concurrent impact on growth performance. Therefore, the objective of this study was to compare and quantify the impact in daily growth (ADGW) of disease-coughing outbreaks occurring in a finishing batch of pigs under commercial conditions.
Current swine production systems are achieving remarkably high numbers in piglets/wean/sow per year. This high performance of the sow during the lactation period is potentially due to genetic, feed, health, and management improvements. However, despite these important efforts, post-farrowing vaccination in sows is routinely applied to protect the breeding stock against Parvovirus sp. and erysipelas1.Therefore, there is a need to study the impact that this strategy may have on sow and piglet’s production performance parameters when applied during their lactation period2,3. As a result, the objectives of this study were to evaluate the potential impact that vaccination during the lactation period may have in sows and their offspring’s performance.