Deosect 5% w/v Concentrate for Cutaneous Spray Solution

Deosect must be diluted and mixed with water to make a solution just before
use. A knapsack, hand sprayer or sponge may be used to apply the solution.
The solution should be used within 24 hours. Avoid spraying directly into
animal’s eyes.
One litre of Deosect should be diluted with 50 litres of water. Alternatively, the
following table may be used.
DeosectWater10ml500ml20ml1 litre100ml5 litre200ml10 litre
A medium fine spray is advisable to avoid fogging of the diluted Deosect.
Careful attention must be paid to total animal coverage, especially the face,
legs, back and hindquarters. The following amounts should be used.
Adult horses-500 ml of diluted solution per animalPonies-125 ml of diluted solution per animal
Fly control:
The application of the solution should commence at the onset of the fly season
and be repeated monthly for general fly control and every two weeks for severe
head and face fly control.

Revised: December 2025
MA split from NI Expiry following AN: 02982/2025
Lice control:
Apply when lice are observed and repeat as necessary at a minimum interval of
14 days.