Ileitis vaccine: 
An alternative to antibiotics?

The ongoing trend to reduce antibiotics in pig production has led to the intensification of alternative strategies. Ileitis vaccination has taken flight over the last few years and more interest is to be expected. Ileitis, caused by the intracellular bacterium Lawsonia intracellularis, is globally the most common enteric disease in pigs and causes significant economic losses due to reduced weight gain, impaired feed conversion and variable growth of pigs. Nevertheless, in many regions of the wo