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39 Cards in this Set

  • Front
  • Back
Syngamus trachea
Gapeworm
Capillaria spp.
Cropworm
Ascaridia spp.
Roundworms
Davainia spp. and Raillietina spp.
Tapeworms
Heterakis gallinarum
Cecal worm
Dermanyssus gallinae
Red mite
Ornithonyssus sylviarum
Northern fowl mite
Knemidocoptes mutans
Scaly leg mite
Cimex lectularius
Bed bug
Gapeworm infests where?
Intermediate host
infests lungs.
intermediate host is earthworms, snails, insects, slugs
Females always in copulo?
Gapeworm
Gapeworm - species of bird?
Many birds.
Larvae may migrate in lugs and cause hemorrhage and edema.
Gapeworm
Gapeworm eggs description
thick walled bioperculate
AKA Threadworm
Cropworm
A trichurid nematode
Cropworm - Capillaria spp.
Causes ingluvitis and marked thickening of the crop - (leathery appearance)
Cropworm - Capillaria spp.
Roundworms AKA?
Large roundworm of birds
Roundworms most serious what age group?
1-3 month olds
Find a worm in a hen's egg. What species is it?
Roundworm
Pinpoint foci in turkey liver. What process causes this? What organism?
Visceral Larval Migrans. Roundworms.
Larvae may cause hemorrage and enteritis.
Roundworms
Most of these worms are nonpathogenic.
Tapeworms
Tapeworm intermediate hosts?
Slugs, snails and insects
Carrier of Histomonas meleagridis?
Cecal worm - Heterakis gallinarum
Ascarid nematode?
Roundworms and Cecal worms
What kind of damage do cecal worms do?
Most do none. Heavy infestations can cause thickening of cecal mucosa with petechial hemorrhages.
AKA Roost mite or Chicken mite?
Red mite - Dermanyssus gallinae
Generally found in chickens pigeons, canaries
Red mite - Dermanyssus gallinae
Adults may live 5-6 months without a blood meal.
Red mite - Dermanyssus gallinae
Red mite found where?
On/in skin or in hiding places near nest/roost.
May cause puritis in humans
Red mite - Dermanyssus gallinae
Skin infection around vent
Northern fowl mite - Ornithonyssus
sylviarum
May transmit fowl pox
Northern fowl mite - Ornithonyssus
sylviarum
T or F
The Northern fowl mite does not cause blood loss.
False
May cause dermatits in humans
Northern Fowl Mite - Ornithonyssus
sylviarum
A sarcoptid parasite
Scaly leg mite - Knemidocoptes
mutans
Host spectrum of bed bugs?
Rodents, humans, birds
All stages suck blood.
Bed bug - Cimex lectularius