Worma Drench Farnham 1L (I.A.H.)


This wormer weapon is the answer to those horses that are difficult to drench or paste. Flexible in use, FARNAM® WORMA DRENCH™ is a low cost ‘pour-in’ to feed worming system that can also be administered as a drench or via syringing into the mouth.

SKU: WO61 Category:

Product Details


White emulsion, relatively odourless and tasteless, being quite palatable when mixed in feeds.

Active Constituents


 Properties FARNAM® WORMA DRENCH™ is effective against the following internal parasites:

  • Horses: Mature and immature redworm, bloodworm, large stongyles, kills tissue stages of s.edentatus, large roundworm, pinworm, susceptible small strongyles and cyathostomes, mature stomach worms, migrating stages of s. vulgaris (55-88% activity) with corresponding reduction in arterial lesions.
  • Cattle: Dairy and beef – small brown stomach worm (ostertagia ostertagi) including inhibited fourth larval or hypobiotic stage, barber’s pole worm, small intestinal worm, stomach hairworm, thin necked intestinal worm, hookworm, nodule worm, lungworm, and tapeworm.



Dosage and Administration

 Administer orally with accurate drenching equipment, disposable syringe, stomach tube, or by mixing thoroughly with feed.  Base dose on the heaviest animal in the herd.   Calculate bodyweight using scales or weighband.
Horses : 500kg = 50ml, Ponies : 200kg = 20ml, Foals : 100kg = 10ml, Cattle : 500kg = 25ml, Calves : 100kg = 5ml
250ml Pack Contains:
  • 5 Adult Horse Doses
  • 25 Foal Doses
  • 10 Adult Cattle Doses
  • 50 Calf Doses

1L Pack Contain:

  • 20 Adult Horse Doses
  • 100 Foal Doses
  • 40 Adult Cattle Doses
  • 200 Calf Doses

5L Pack Contains:

  • 100 Adult Horse Doses
  • 500 Foal Doses
  • 200 Adult Cattle Doses
  • 1000 Calf Doses
Safe to use in pregnant, sick or debilitated animals, but always take care.

Meat Withholding Period

HORSES 28 days and CATTLE 8 days.

NOTE:  WORMA DRENCH™ may be used in milking cows without risk of residues.

Poisons Schedule


Regulatory Status