Assessment of respiratory herd health in weaner pigs by measuring cellular composition of bronchoalveolar lavage fluid.


Cell differentiation of bronchoalveolar lavage fluid (BALF) was compared among 11 herds having a history of recurrent respiratory disease in weaner pigs and nine herds lacking such a history. In every herd, 20 pigs aged 8-10 weeks were lavaged. The two groups differed significantly on median percentage of macrophages, neutrophils and lymphocytes, but not on… (More)


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