It is very important to analyze new PRRSV sequences against a broad reference set representing the farm, the system and the region, as well as the sequences of available commercial vaccines (this will make it possible to differentiate between field and vaccine strains).
The average piglet birth weight from the 3 groups of vaccinated sows was statistically higher than that from the unvaccinated sows.
Three factors must be taken into account when defining the viability of the elimination of M. hyopneumoniae on each farm: negative replacements, cost and return on investment, and risk of re-infection.
The diseases shared by livestock and wildlife involve many players: mainly farmers, but also hunters and different public administrations.
No single strategy will confer total protection. A well-orchestrated combination of various methods adjusted to a single production unit or system will be needed.
This article describes the main diseases that wild boars can transmit to the domestic pig, their prevalences and transmission routes. It also discusses the increase of the wild boar population in Europe.
Mucosal surfaces, constantly exposed to foreign antigens, have developed the ability to protect the host from potentially harmful organisms by means of innate and acquired immune responses.
After over 20 years of research effort, the question of how to balance efforts in Salmonella control among the preharvest, harvest, and post-harvest sectors remains alive, but ‘silver bullets’ for on-farm control of Salmonella in pigs have proven elusive.