Orchard Vets
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Lungworm in cattle – Huskvac

5th February 2018

After the heavy rain in recent months, lungworm may be a significant risk on many pastures in the next grazing season as infective larvae are washed out of faecal pats onto vegetation. Don’t forget that unlike many gut worms, lungworm can remain infective on pastures for much longer periods of time and as such it is very difficult to make use of “clean grazing”.

Vaccination is a great start in preventing clinical disease, but don’t forget that vaccinated animals will have to have  exposure to lungworm larvae to boost their immunity so don’t over-treat for worms at pasture.