Sykes Drench 340gm

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The original purgative based drench for the treatment of impaction, bloat, acute indigestion, constipation, retained afterbirth, impaction colic and sand colic, containing some mineral replacements.


  • Magnesium Sulphate
  • Ammonium Sulphate
  • Calcium Hydroxide
  • Cobalt Sulphate
  • Copper Sulphate
  • Ferric Oxide
  • Aloes

Sykes Drench is administered using a drenching bottle (or any long neck bottle). Add the contents of the packet of the recommended quantity to 550 mL of WARM water, in a jug of at least 1 litre capacity. Stir for 1 minute until the ingredients dissolve. Pour the smoothly suspended liquid into the drenching bottle.  Sykes Drench should also be administered with the use of elbow-length PVC gloves.


Impaction, bloat or acute indigestion- 1 packet

Constipation- 1 packet soon after calving

Retained afterbirth- ½ packet twice daily

Sheep and Goats

Impaction, bloat or acute indigestion- 1 packet

Retained afterbirth- ½ packet twice daily


Impaction Colic- Give a high enema with warm soapy water then drench with 1 packet of Sykes Drench

Sand Colic- Give 559mL molasses diluted with warm water. Follow in 24 hours with 1 packet of Sykes Drench


Constipation at farrowing- Give 40g of Sykes Drench (diluted in 550mL of warm water in a jug of at least 1-litre capacity)

NOTE: Use all products within 24 hours of mixing

Step by step instructions on how to drench a cow

  • Stand on the right-hand side of the cow
  • Place your left arm over the front of the cows head
  • With the tips of your fingers held firmly against the roof of the mouth raise the cow’s head slightly
  • Ensure the muzzle is no higher than eye level*
  • Place the nozzle of the drenching bottle on the side of the mouth
  • Slowly pour in the drench, giving the cow time to breathe and swallow

Important facts

  • If the muzzle is held too high it hinders swallowing and makes the job more difficult as well as risking pneumonia from the drench going down the windpipe
  • If coughing occurs during administration, stop and lower the head until the coughing stops
  • Never drench a cow if she is down with Milk Fever





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