Lungworm Disease in Cattle
Summary written by Jacqui Matthews BVMS,PhD, DipEVPC, MRCVS
Taken from Moredun Foundation Newsheet Volume 3 No 5 (Nov 1999)
- Lungworm (Dictyocaulus viviparus) is a parasitic nematode (roundworm) that nifects grazing cattle of all ages
- Disease is usually seen mid-late summer
- All animals remain susceptible to this parasite unnless immunized through natural pasture challenge or vaccination.
- Outbreaks of this disease have increased over the last decade, largely through to a reduction in vaccine usage.
- Clinical disease can be severe in all animals and, in adult cattle, can lead to substantial production losses.
- Diagnosis is made on the basis of clinical signs and history. Where necessary, this can be suipplemented by laboratory methods.
- Clinical lungworm disease is treated using modern anthelmintics
- Lungworm can be controlled using anthelmintics or vaccination.
- Vaccination is by far the best way of controlling lungworm disease in cattle
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