Created by Cassie Bowling
almost 6 years ago
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Question | Answer |
Strongyloides spp. Distribution Course in body Definitive Host Life Cycle Clinical Signs Diagnosis Treatment Zoonotic? | Threadworms Worldwide (tropical/subtropical) Small intestine to mucosa to lungs to connective tissue to small intestine (female only) Mammals Direct Cycle: Embryonated egg autoinfects or hatches to rhabditiform larva, larva passes in stool to either infect another animal or carry out the cycle in the environment. Clinical signs: diarrhea, respiratory signs, hemorrhage, foal-heat diarrhea, weight loss Diagnosis: Fecal float with fresh feces, Baermann in dogs Treatment: Ivermectin, benzimidazoles, levamisole, prompt removal of feces, routine deworming Zoonotic |
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Egg (binary/octet-stream)
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Strongyloides spp. (clear, smooth surface, smaller than HOTC/Strongyle eggs) |
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Egg (binary/octet-stream)
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Strongyloides spp. (small, long filariform esophagus) |
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Egg (binary/octet-stream)
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Macracanthorhynchus hirudinaceus (dark, larvated, embryonic envelopes, almond looking) |
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Egg (binary/octet-stream)
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M. hirudinaceus (white/pink, flatish, transverse wrinkles, spiny attachment organ) |
Macracanthorhynchus hirudinaceus Distribution Course in body Definitive Host Life Cycle Clinical Signs Diagnosis Treatment Zoonotic? M. ingens? | Thorny headed worm of swine Worldwide GI tract Pigs Indirect cycle: eggs in feces, ingested by beetle-acanthor-acanthella-cystacanth, ingest beetle, mature in small intestine. Clinical signs: diarrhea, emaciation, abdominal pain, peritonitis Diagnosis: Sediment, adults at necropsy Treatment: MCLs, precent rooting, remove feces Zoonotic M. ingens normally infects raccoons and bears, but can infect dogs |
Ancylostoma/Uncinaria spp. Distribution Course in body Definitive Host Life Cycle Clinical Signs Diagnosis Treatment Zoonotic? | Hookworms Worldwide Skin/mucosa to blood to lungs to small intestine, transmammary Carnivores Direct Cycle: Egg in feces, develop in soil until L3, ingested by host, migrate to intestines to mature or striated muscle to encyst Clinical Signs: Anemia, dark tarry stool, respiratory distress, dermatitis, larval leaks Diagnosis: Fecal float/antigen, ID adults Treatment: Pyrantel, fenbendazole/febantel, emodepside, heartworm prevention, feces removal, prevent predation Zoonotic |
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Egg (binary/octet-stream)
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Ancylostoma/Uncinaria spp. (clear, smooth surface, dark morula stage in fresh feces, ancylostoma is smaller than uncinaria spp.) |
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Egg (binary/octet-stream)
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Ancylostoma/Uncinaria spp. (Small, dorsal hook end. Ancylostoma have teeth, Uncinaria have cutting plates) |
Ancylostoma caninum host? | Dogs |
Ancylostoma tubaeforme host? | cats |
Ancylostoma braziliense host? | Dogs and cats |
Uncinaria stenocephala host? | Dogs and cats |
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