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Nilzan Bolus

Nilzan Bolus is a broad-spectrum anthelmintic bolus for the treatment and control of roundworm and tapeworm liver fluke infestations in cattle.

Each Bolus contains:

  • Levamisole Hydrochloride BP (Vet)                     1 g
  • Oxyclozanide BP (Vet)                                   1.4 g


  • Nilzan Bolus is a broad spectrum anthelmintic for the routine control of nematode infestations and chronic fascioliasis in cattle.
  • Oxyclozanide removes practically all flukes (Fasciola spp) present in the bile ducts.
  • Levamisole removes mature and developing immature stages of a wide range of nematodes and is highly effective against the following species: Hemonchus, Ostertagia, Trichostrongylus spps. (In the abomasum), Trichostrogylus, Cooperia, Nematodirus, Oestophagostomum, Charbertia and Bunostomum spps. (In the intestines), Dictyocaulus spp including inhibited larva of D.viviparus (In the lungs).

Dosage and administration

  • 1 Bolus per every 150 Kg body weight.
  • The Bolus may be broken into half to enable the dose to be administered in units of 75 Kgs bodyweight.
  • Nilzan Bolus is a scored for ease of halving.
  • Nilzan Bolus is administered orally by means of a balling gun or dispensed in water and given as a drench.

Store in a cool, dry place.

Withdrawal period

  • Meat: 14 days
  • Milk: 1 day

20 boli pack