New way for poultry producers to tackle red mite

Poultry producers are facing a particularly high risk of red mite infestation this spring, with warm weather and the need to house birds causing outbreaks across the country. 

“The worry of avian influenza is at the forefront of everyone’s mind right now – but with free-range birds having to be housed as a result, the reality is that red mite populations are exploding,” said Alison Colville-Hyde, field services manager at St David’s Poultry Team. “Red mite can be debilitating to hens and irritating to egg collectors, as well as causing economic loss through egg downgrades and increasing the risk of disease transfer.”

The forced housing of birds due to avian influenza, combined with the warm weather, favours the red mite’s life cycle, said Colville-Hyde. “Fortunately, we now have a new product with which to treat red mite in one quick, easy, and safe way.”

“When mixed with water and sprayed onto the inside of the poultry house, Dergall, a new red mite treatment creates a unique three-dimensional molecular structure which is air permeable,” said Colville-Hyde. “This structure immobilises the mites and blocks their spiracles, through which they breathe. This action results in destruction of the mite eggs, nymphs and adult red mites.”

Used at 1%, one litre of Dergall dilutes into 100 litres of solution to spray – and can even be safely sprayed directly onto the birds. “One treatment is usually sufficient to knock back the mite population to practically zero,” she said. “If you need to treat again subsequent treatments at half the concentration can be made.”

Red mites feed on birds at night, under the cover of darkness, by sucking their blood. Once they have fed the mites crawl back out of sight into hard-to-reach places of the poultry house, often never seen until the infestation is out of control. 

A red mite

A red mite

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