Dergall is a concentrated product which needs diluting before use. For the effective control of red mites, northern fowl mite and scaly leg mite in chickens. Use then repeat in 5-7 days to destroy newly hatched mites.
Dergall works by mechanically immobilising red mite. The reduction of population is visible within 72 hours from the initial application. Dergall has the added advantage of killing scaly leg mite and Northern Fowl mites which can cause severe irritation and depression in chickens.
Dergall can be sprayed directly onto a bird’s legs without causing any harm.
For further information on use, see the information sheet. There are also detailed instructions inside the pack.