Page 2 of articles about streptococcus

Why is there no effective commercial vaccine against Streptococcus suis?

In this third article, we want to to talk about a common guest in the nurseries: Streptococcus suis, the causative agent of clinical pictures that can include meningitis, arthritis and sudden deaths.

At least 25% of the pigs from 2 to 3 weeks old were reported to be lame, some so severe that they lay in the arcs shaking and unable to stand.

An erythema multiforme (EM) was noticed in the majority (90%) of breeding stock, associated with respiratory problems and without mortality.

PRRSV favours the appearance of secondary infections like the one caused by S. suis  due to the impairment of the alveolar macrophages cleaning functions.

Pathogens that are transmitted mostly through direct, pig to pig, contact are generally contained with today’s biosecurity programs and pig flow strategies. However, pathogens using multiple routes of transmission seem to evade standard biosecurity programs.

The abattoir is a useful endpoint to collect data on herd health status and a valuable tool for monitoring the effect of disease control measures.

PRRSV by itself may induce mild-to-severe respiratory disease but rarely results in mortality.