Merge Oral Cattle Drench 5, 10 & 20L


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Oxfendazole, Levamisole, Cobalt, Zinc and Selenium

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Oxfendazole, Levamisole, Cobalt and Selenium

Active Constituents

45.3 g/L Oxfendazole, 80 g/L Levamisole HCI, 2mg/mL Cobalt, Zinc 6mg and Selenium 5mg/5ml dose

Active+ Merge Oral is a low dose combination oral drench, white/clear combination and aids in the supplementation of selenium, zinc and cobalt.

Merge is given as a drench by mouth, It has a residual activity which gives almost complete protection against larvae ingested up to 24 hours after dosing

Developed in New Zealand for New Zealand.

Merge Oral Drench at recommended dose, this product is effective for the treatment and control of the following.

Gastrointestinal roundworms: 

ABOMASUM: Teladorsagia ostertagi ( Small Brown Stomach worm), Ostertagia leptospicularis  Trichostrongylus axei (Stomach Hair worm)

SMALL INTESTINE: Trichostrongylus longispicularis ( Black Scour worm), Cooperia ancophora punctata ( Small Intestinal worm), Nematodirus helvetianus (Thin-necked Intestinal Worm), Bunostomum  phlebotomum (Hookworm) Capillaria bovis

LARGE INTESTINE: Oesophagostomum radiatum (Large Bowel Worm)

LUNGWORM:  Dictyocaulus viviparus.

  • Shake well before use
  • May be used in young or pregnant animals at recommended dose rates
  • A representative sample of animals should be weighed before treatment
  • Do not underdose.  Correct drenching technique should be used. Check the accuracy of drench guns regularly.

DOSE RATE: 1ml per 10kg bodyweight

Bodyweight Dose Volume Doses per 10L
50kg 5ml 2000
100kg 10mL 1000
150kg 15mL 666
200kg 20mL 500
250kg 25mL 400
300kg 30mL 33
350kg 35mL 285
400kg 40mL 250
450kg 45mL 222
500kg 50mL 200


Note this drench is in a concentrated form.
Doses of 3 or more times those recommended can cause symptoms
of levamisole toxicity, so estimate live weights carefully.

Animals under stress due to advanced pregnancy, adverse weather conditions or poor nutrition, prolonged yarding or dehydration may be more susceptible to toxicity

Do not use at the same time as any other selenised fertilizer, prill or product without consulting a veterinarian

Fatal interactions may occur between levamisole and organophosphate dips.

Withholding Periods

MEAT: Cattle producing meat or offal for human consumption must not be sold for slaughter during or within 10 days of the last treatment.
MILK: Milk intended for sale for human consumption must be discarded during treatment and for not less than 144 hours ( 12 milkings) following the last treatment,

Registered pursuant to the ACVM Act I 997, No. A011494

Merge Oral Cattle Drench 5, 10 & 20L

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