poultry Red mite
What is poultry red mite?
Poultry red mite(Dermanyssus gallinae, red mite, poultry mite) is ectoparasite of chicken and poultry. Size is usually less than 1mm. It sucks blood during the night time.
Color of red mite is red or black after suckling blood. Normally it is white or grey color. Female sucks blood for laying eggs. Red mite recognize changes of hen's body temperature, CO2 concentration and vibration.
Poultry red mite
Character of red mite
Red mite congregate and make cluster. It usually habitat in dust, feather and cleft of cage. Red mite is nocturnal and only suck blood at night.
Red mite can survive more than 8 months without sucking blood. Red mite can survive for various temperature condition.
Red mite can be transfer by chicken, equipment and human. Mouse and wild bird also transfer red mite to farms.
Cluster of mite between egg belt
Life cycle of red mite
Poultry red mite has short life cycle upon temperature condition.
Female adult can lay eggs on 5~45℃ condition.
Best condition is 25∼30℃ on 70% humidity.
Red mite suck blood to get energy for replication.
Production loss with red mite
Red mite is biological mechanical vector and transfer many poultry disease.
Also red mite suck blood and give stress to chicken.
Hens get anemia and immune suppression by red mite infestation.
120 farms(14 million hen) were surveyed in 2016 by poultry veterinary association.
94.2% of farms were positive for red mite. 20% out of surveyed farms were experienced with fowl typhoid.
19% had E.Coli infection.
Annual economic loss due to infestation were estimated 1.3 USD per hen.
- Anemia, Death, Stress
- Immune suppression
- Disease transfer(Salmonella, fowl fox etc)
- Egg quality drop
- Egg production drop
- Harm for work
2nd grade egg
Anemia and stress to death
01/ Chemical Control
Poultry red mite has 4 pair of legs, and it is classified as arachnid. Acaricide is better than insecticide to control the eggs of mite. Usual insecticide also work for adult but should repeat treatment within 7~10 days for control untreated egg and nymph.
Resistance for organophosphate and permethrin, carbaryl, fipronil are already reported for Korean isolate(Kim, 2007).