Population
64 cases of white chick syndrome in broiler breeders producing affected progeny from seven hatcheries in…
Design
Case_series
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Supports CAstV Bii testing in Ontario flocks with hatchability drops; leaves open causal confirmation and mitigation trials.
White chick syndrome in Ontario broiler breeders is associated with chicken astrovirus Group B, Subgroup Bii, causing significant drops in egg production and hatchability.
Long et al. (2018) studied this question.
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