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