Host genes affect intestinal colonisation of newly hatched chickens by Campylobacter jejuni.

Campylobacter jejuni is the leading cause of food-borne gastro-enteritis and infection can be followed by severe clinical complications, such as the autoimmune neuropathy Guillain-Barré syndrome. Poultry meat is considered to be a common source of infection, with most flocks infected from 2 to 3 weeks of age. We have examined the effect of host genetics on the colonisation levels of C.