N&H TOP LINE: Eggshell color linked to disease resistance in hens

Breeding for natural antibodies could be a strategy to improve general disease resistance. ALSO: Broiler lameness and equine colitis.

Housing systems in the poultry industry may increase the spread of diseases by housing large flocks of chickens on sand, which requires a robust laying hen. Selection for a recently discovered immune characteristic is a potential strategy to improve general disease resistance in laying hens and, thus, to breed for a more robust chicken, according to researchers at Wageningen University in the Netherlands.

In addition, selection for this immune characteristic has minimal negative co

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