A study on Campylobacter in Norwegian broiler flocks older than 50 days at slaughter has indicated age and outdoor access are important risk factors.
The research work in 2018 shows that 43.3 percent of flocks tested positive for Campylobacter jejuni when sampled at slaughter. Broilers more than 50 days of age at slaughter were last included in a surveillance program in 2006.
Campylobacter jejuni was the only species detected. Birds from a slaughterhouse with the oldest flocks had the highest prevalence of Campylobacter at 87.5 percent, or 21 of 24 flocks positive. They also had outdoor access.
Those from a slaughterhouse with the youngest flocks did not have outdoor access and had the lowest prevalence at 22.2 percent, or four of 18 flocks positive for Campylobacter.
FoodWorld 