Campylobacter hepaticus is the causative agent of Spotty Liver Disease (SLD) in free range laying hens.
Campylobacter is a gram-negative bacterium that was isolated from cases of spotty liver disease in laying hens in the UK in 20215. In 2016, it was isolated from laying hens in Australia where it was formally named Campylobacter hepaticus. It has also been isolated from laying hens in America.
C. hepaticus has only been cultured aseptically from the liver and bile of SLD infected chickens
