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VetMed Resource

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

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A severe outbreak of Dictyocaulus viviparus infection which affected a herd of 220 Holstein/Friesian cattle which had been regularly vaccinated for parasitic bronchitis in autumn 1993 is described. A sustained release morantel tartrate bolus (Paratect Flex Bolus) had been used for anthelmintic...

Andrews, A. H.; Wolf, S. de
Veterinary Record, 1994, 134, 6, pp 152