CUSTOM MADE VACCINES CUSTOM VACCINES Salmonella Salmonella enterica is known for serotype variation; poultry flocks are often exposed to 3-5 serotypes or more, out of a group of 20-30 familiar strains. Serotypes such as Heidelberg, Kentucky, Enteritidis, Hadar, Senftenberg and Oranienberg offer very little hope for shared immunity by using …
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