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    Withdrawal period for Flukiver 50mg/ml Oral Suspension increases to 56 days

    mmBy Simon KingMarch 23, 2026No Comments1 Min Read
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    Matt Colston, Elanco’s ruminant technical consultant

    Sheep farmers are being advised that the withdrawal period for Flukiver Oral Suspension, containing the active ingredient closantel, has been extended from 42 days to 56 days.

    Matt Colston, Elanco’s ruminant technical consultant, said: “Any users of these products should be aware that this new withdrawal period comes into immediate effect. New stock with updated labelling reflecting the revised withdrawal periods will be available on shelves in the near future.

    “This is a regulatory update, and no changes have been made to the product formulation; it continues to offer the same benefits and should be used in the same way.”

    Mr Colston said selecting the right product at the right time remains key to effective parasite control and Flukiver 50 mg/ml Oral Suspension is a valuable option for sheep farmers managing:

    • Inhibited, immature and adult stages of Haemonchus contortus (barber’s pole worm);
    • Chronic and subacute liver fluke infections caused by adult and immature Fasciola hepatica in sheep and lambs; and
    • Oestrus ovis (sheep nasal bot fly)

    Flukiver 50 mg/ml Oral Suspension can be used in all age groups of sheep and lambs, including during pregnancy and in rams during the breeding season.

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    Simon King

    Editor - Over The Counter. Simon has more than 20 years’ experience in B2B publishing. When not slumped over his PC, Simon is a keen follower of sport, supporting Manchester United, and is at his absolute happiest watching most sport in glorious UHD, with something cold to drink by his side.

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