Immunity: What can pig farmers do themselves?

Immunity in pig production is not a particularly easy subject. It all starts with producing knowing what they doing and making sure that they are not making things too easy for pathogens, writes pig management John Gadd. Immunity is firstly defined as ‘security against a particular disease’ and secondly, it is a huge and complicated subject. We all know both of these are truisms, but what is less understood among many pig producers is the considerable part their actions on their own farm ca