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VetMed Resource

Veterinary information to support practice, based on evidence and continuing education

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Calves ages 3 to 4 months repeatedly infected with 1,000 to 4,000 Dictyocaulus filaria larvae in the spring did not develop clinical infections, their faeces were negative and no larvae were found in the lungs at autopsy. A male calf aged 1.5 years infected with 50,000 larvae developed clinical...

Taranik, K. T.
Veterinariya, Moscow, 1975, pp 77