Mites of Poultry

Question 1

Dermanyssus Gallinae

Answer 1

Chickens, turkeys, pigeons, canaries, wild birds
Whip-like chelicerae, D-shaped, triangular shaped anal plate, posterior anus

Question 2

Ornithonyssus sylviarum

Answer 2

Northern fowl mite
Chickens, turkeys, pigeons, canaries, wild birds
Short chelicerae, tear drop anal plate, anterior anus

Question 3

Knemidokoptes mutans

Answer 3

Scaly leg mites on birds
Rounded-bodied (sarcoptiform shape), short legs not extending behind the body

Question 4

Knemidokoptes gallinae

Answer 4

Depluming mite
Chickens, pheasants, pigeons, geese

Question 5

Sternostoma tracheacolum

Answer 5

Canaries, finches, wide range of birds
Small dark spots, small dark mites in respiratory tract

Question 6

Dermanyssus lesions and diagnosis

Answer 6

Cracks and cervices in day, feeds @ night (blood sucking)
Don’t stay on bird
Pale mucous membranes, Anemia

Question 7

Ornithonyssus lesions and diagnosis

Answer 7

Similar lesions to dermanyssus, blood suckers, mites on bird, blisters on carcus
Anemia and soiled feathers

Question 8

Knemidokoptes lesions and diagnosis

Answer 8

Thick scales on legs, sometimes on beak/ nares
Skin scrape

Question 9

Sternostoma lesions and diagnosis

Answer 9

Chronic respiratory problems, head shaking, sneezing
Transillumination (trachea, bright light shined on parted feathers)