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Dergall is a unique product which immobilises red mites by mechanical means rather than systemically. Dergall is non-toxic therefore safe for birds, eggs, humans and the environment. Presentation is in a 1 litre bottle of concentrated emulsion, mixed to a 1% solution before using; 1 litre makes 100 litres of spray on solution. This product has a knock-down effect along with continued action on surfaces for 2-3 days. We advise to spray it at the end of the day to maximise the efficacy of the product, so red mites come into contact with it as soon as they are active after lights are out.
Dergall is activated when mixed with water creating a microscopic network on surfaces which traps and suffocates the red mites.
Available in 1-litre concentrate which reconstitutes 100 litres of ready to spray solution.Exclusive to St David’s Poultry Supplies
Register to receive updates from our team, including our vets.