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62 Cards in this Set
- Front
- Back
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Parascaris equorum Found in the small intestine |
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Strongyles Most common large: S. Vulgaris (2nd smallest) S. edentaus (middle) S. Equinus (largest) Small: Cyathostomes (smallest) Size: Larger than Moneizia benedeni, smaller than Eimeria leukarti Found in the Large intestines ID by: Fecal Flotations` |
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Strongyloides westeri Oval shaped larvated eggs with a smooth thin wall Size: Larger than Dicrocoelium dendriticum, smaller than Balantidium coli cysts ID by: Fecal Flotations Found in the small intestines |
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Oxyuris equi AKA Pinworm Size: Larger than Eimeria leukarti, smaller than Parascaris equorum ID by: Tape mount or via fecal flotation Smooth thick shell, operculated and slightly flattened on one side |
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Dictyocaulus amfieldi Found in the bronchi of catter, sheep and goats Size (larvae): Larger than Strongyloides papillosus larva, smaller than Dictyocaulus larva ID by: Baerman Technique |
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Anoplocephala spp. Size: Larger than Strongyloides ransomi, smaller han Ascaris suum ID by: Fecal flotations (observe segments) Three layer egg shell with an innermost lining called the pyriform apparatus, which is pear shapped |
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Fasciola hepatica Fluke Infections in Ruminants- found in the bile duct Size: Larger than Balantidium coli trophozoite, smaller than Nematodirus sp. ID by: Zinc Sulfate Fecal Flotation |
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Trichinella spiralis (Larvated) AKA Trichina Worm Size: Larger than Thysanosoma actinoides, smaller than Dicrocoelium dendriticum ID by: Meat inspection or a trichinoscope Found encysted within muscle tissue Larvated eggs
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Strongyloides ransomi AKA Thread Worm Found in the small intestine of swine Size: Larger than Strongyloides westeri, smaller than Anoplocephala ID by: Fecal Flotation Larvated eggs
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Macrocanthorhynchus hirudinaceus AKA thorny-headed worm Found in the small intestine of swine Size: Larger than Strongyloides papillosus, smaller than Strongyloides ransomi ID by: Fecal flotation Shell has 3 layers, second shell is brown and pitted |
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Eimeria spp.
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Cystoisospora suis Coccidia ID by: fecal flotations and a direct smear |
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Cryptosporidium spp. ID by: Fecal flotation and direct smear Size: Smallest
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Soft Tick |
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Hard Tick |
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Ixodes scapularis AKA Deer Tick Vector for Lyme Disease |
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Dermacentor variabilis AKA American Dog Tick, or Wood Tick Hard Tick Removal recommended by veterinarian Vector for Rocky mountain spotted fever and tick paralysis |
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Rhipicephalus sanguineus AKA Brown Dog Tick Hard Tick Host for Babesia canis 3 Host tick |
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Sarcoptidae: burrowing mites Terminal anus Spines on back Adult-8 legs Larvae- 6 legs Anterior legs short with long unjointed pedicles |
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Psoroptidae: non-burrowing mites |
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Sarcoptes spp. |
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Notoedres spp. AKA Feline Scabies or Head Mange No dorsal spines Has dorsal anus |
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Cnemidocoptes spp. AKA Scaly Leg and Beak Mange No dorsal spines Legs have claw-like structures instead of suckers Parasite of avians |
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Psoroptes spp. |
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Chorioptes spp. AKA Leg Mange Very short, unjointed pedicles
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Otodectes sp. |
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Demodex spp. AKA Mange Cigar shaped ("cigar with legs") Adults have 8 legs Larvae have 6 legs |
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Demodex spp. Egg "Pregnant banana" |
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Eimeria leukarti Coccidia Size: Small Dark brown, piriform, thick-walled oocyst Transmitted through ingestin of sporulated oocysts (4 sporocysts) Micropyle at one end of the oocyst |
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Cooperia spp. Size: Larger than Heamonchus contortus, smaller than Ascaris suum ID by: Fecal flotation |
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Haemonchus contortus Size: Larger than Moneizia benedeni, smaller than Cooperia sp. ID by: Fecal flotation |
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Muellerius capillaris - Larvae |
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Protostrongylus spp. - Larvae |
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Dictyocaulus spp. - Larvae |
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Strongyloides papillosus Intestinal threadworm of ruminants Size:Larger than Balantidium coli cysts, smaller than Strongyloides ransomi ID by: fecal flotation Larvated ova |
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Nematodirus spp. Thread-necked worm of ruminants Found in the abomasum, small intestine, and large intestine Size: Larger than Balantidium coli trophozoites, smaller than Muelleris capillaria Larvae ID by: fecal flotation |
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Moniezia expansa Found in the small intestine of cattle, sheep and goats Size: Larger than Ascaris suum, smaller than Anoplocephala sp. ID by: fecal flotation |
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Moniezia benedeni Found in the small intestine of cattle, sheep, and goats Size: Larger than Trichuris ovis, smaller than Heamonchus controtus |
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Thysanosoma actinoides AKA fringed tapeworm Found in the bile duct, pancreatic duct and the small intestine of sheep, goats, and cattle Size: Larger than Tritrichomonas foetus oocysts, smaller than Taenia solium ID by: fecal flotation |
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Paramphistomum spp.- Rumen Flukes |
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Paramphistomum spp. AKA rumen fluke Found in the rumen of cattle, sheep, and goates Size: Larger than Fasciola hepatica, smaller than Balantidium coli trophozoites ID by: fecal sedimentation |
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Dicrocoelium dendriticum Adult |
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Dicrocoelium dendriticum AKA Lancelet fluke Found in the bile ducts of sheep, goats, cattle, pigs, dogs, horses and rabbits Size: Larger than Trichinella spiralis, smaller than Strongyloides westeri Operculated, flattened on one side and contain fully-formed mircadium |
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Tritrichomonas foetus Protozoa of the urogenital system of cattle Size: Larger than Cryptosproidium oocysts, smaller than Thysanosoma actinoides ID in fluid of the stomach of an aborted fetus, prepuce/vaginal washings Contains an undulating membrane |
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Parascaris equorum - Adult |
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Large Strongyles |
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Strongylus vulgaris |
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Strongylus edentatus |
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Strongylus equinus |
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Strongyloides westeri Adult |
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Oxyuris equi - Adult |
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Dictyocaulus arnfieldi Larva |
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Harbronema spp. - Adult Size: Larger than Strongyloides westeri, smaller than Eimeria bovis ID by: Fecal sedimentation |
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Fasciola hepatica - Adult |
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Cheyletiella spp. AKA Walking Dandruff Claws on mouthparts |
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Siphonapterans (Flea) |
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Argas persicus AKA Fowl Tick Found on chickens, Turkeys and wild birds |
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Cuterebra sp. AKA Rodent Bot Fly Larva Sometimes seen on cats and dogs |
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Gasterophilus intestinalis AKA Horse Bot Found in the stomach of horses over the winter |
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Gasterophilus nasalis AKA throat bot Found in the stomach of horses throught the winter |
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Eimeria zuernii Coccidiosis oocysts ID by: Fecal Smear |
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Dictyocaulus viviparus |
