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Liver fluke risk lower than last year

7 November 2014

The relatively dry autumn this year has meant that the liver fluke risk is lower than it was for last year.

Therefore in low risk areas, such as much of England and Wales, fluke treatments for cattle need not be based on products with triclabendazole as the active ingredient. Instead treatments can be based on products containing closantel or nitroxynil, which only kill older immature fluke. These products can either be given at housing and then repeated if required, or delayed until 6-8 weeks after housing.

Similarly, products that only kill adult fluke such as clorsulon, oxyclozanide and albendazole could be used around housing time and then again three months later if necessary. Using products other than triclabendazole will help reduce any selection for resistance that could occur in herds that rely on this product routinely.

* Note: This information was correct as when this document went to press and current data sheets must always be checked before treatment.

COWS stresses that no flukicide has persistent action and allowing cattle onto fluke-infected pasture after treatment immediately re-exposes them to the risk of infection.

As with all anthelmintic treatments, it is imperative that animals are dosed according to their liveweight. Read the information leaflet in the pack and follow dosing instructions carefully.