The present invention concerns veterinary compositions for the treatment and/or prevention of nosema disease (Nosemosis apium) in honey bees comprising 2-hydroxy-benzoic acid (salicylic acid) or 2-(acetyloxy)benzoic acid (acetyl-salicylic acid) or their salt(s) as an active ingredient. In one embodiment, a composition contains sugar-industry molasses (concentrated watery extract of Beta vulgaris cv altissima) as a carrier and, if desired, any other auxiliary and carrier substances.
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