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Broiler breed could have an effect on immune response to Salmonella exposure, a study at the University of Arkansas suggests.

The work compared the response to a Salmonella Typhimurium challenge of a breed that reaches market weight around 42 days of age to a slower-growing breed that reaches the same weight parameter around 63 days of age, explained Shawna Weimer, PhD, director of the Center for Food Animal Wellbeing.

“Many research groups have looked at those environmental and management factors, both within certain systems and across certain systems, for decades…but the factors that contribute to the prevalence of Salmonella inside of the bird are less well-known and less defined,” Weimer told Poultry Health Today.

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