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Verminous Pneumonia in Adult Dairy Cows in Southern Ontario due to Dictyocaulus viviparus

, : Verminous Pneumonia in Adult Dairy Cows in Southern Ontario due to Dictyocaulus viviparus. Canadian Veterinary Journal 27(6): 233-236

An outbreak of subacute respiratory disease due to D. viviparus occurred in the autumn of 1983 in a herd of mature Holstein dairy cows that had been closed for 10 years and had not previously experienced clinical D. viviparus infection. A cow that died had parasitic bronchitis and pneumonia, and 20 of the others were excreting larvae. After levamisole therapy the herd became negative for patent infection.

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Accession: 001507267

PMID: 17422666

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