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16 Cards in this Set
- Front
- Back
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Toxocara Canis
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Location:Sm. intestine
Prepatent period: 3-5 weeks Diagnostic stage: dark brown, thick-walled egg, w/a pitted eggshell: sng. celled. Test: Fecal floatation Method of infection: Ingestion of inf. egg, Paratenic host, Transplacentally, transmammary, ingestion of larvae in bitch's feces Clinical Signs: Poor growth, emaciation, intestinal blockkage, vomiting, diarrhea, death Control: remove feces from environment |
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Ancylostoma Caninum
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Location: Small Intestine
Prepatent period: 2-3 weeks Diagnostic stage: clear, smooth, thin-walled hookworm egg Test: Fecal flotation Method of infection: skin penetration, ingestion of infective larvae, Transmammary, Paratenic host, Larval'leak', Transplacentally Clinical signs: Anemia, weakness, melena Control: |
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Uncinaria Stenocephala
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Location: Small Intestines
Prepatent period: 2 weeks Diagnostic stage: Hookworm egg Test: Fecal flotation Method of infection: Ingestion of infective larvae, Skin penetration (not likely) Clinical signs: Usually no obvious clinical signs, In heavy infection in dogs, hypoproteinemia, dehydration, weeakness Control: Remove feces from environment |
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Trichuris Vulpis
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Location: Lg. intestine
Prepatent period: 3 months Diagnostic stage: Smooth, amber, thick-walled, barrel-shaped egg w/bipolar plugs: sng.-celled Test: Fecal flotation Method of infection: Ingestion of infective egg Clinical signs: In heavy infection, severe watery diarrhea, hematochezia (frank blood in feces) leading to rapid dehydration and death Control: Remove from environment |
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Eucoleus Bohmi
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Location: Nasal sinuses
Prepatent period: Unknown Diagnostic stage: Smooth, yellow-brown,thick-walled egg w/striated shell, and asymmetric bipolar plugs: sng.-celled Test:Fecal flotation Method of infection:Ingestion of infective egg Clinical signs:Upper respiratory signs, sneezing and nasl discharge Control: Remove from environment |
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Filaroides spp.
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Location: Lungs
Prepatent period: 5-10 weeks Diagnostic stage: L1 w/S shaped tail lacking a dorsal spine: esophagus 3rd of length of body Test: Fecal flotation, Baermann Method of infection: Paratenic host, ingestion of infective egg Clinical signs: Chronic coughing Control: |
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Crenosoma spp.
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Location: Lungs
Prepatent period: 19-21 days Diagnostic stage: L1 w/a straight, pointed tail: esophagus 3rd of length of body Test: Baermann Method of infection: Ingestion of infected snails Clinical signs: coughing Control: |
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Spirocerca Lupi
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Location: Esophagus
Prepatent period:5-6 months Diagnostic stage: Clear, smooth, thick-walled, paperclip-shaped, larvated egg Test: Flotation Method of infection: Ingetion of intermediate host (dung beetle), ingetion of paratenic host Clinical signs: vomit, dysphagia, weight loss, sudden death, Most infections not diagnosed until necropsy Control: In endemic areas, dogs should be prevented from eating dung, beetles, frogs, mice, & lizards and should not be fed raw chicken scraps |
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Dirofilaria immitis
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Location: Heart
Prepatent period: 6-8 months Diagnostic stage: Microfilaria (L1) lacks an esophagus Test: Modified Knott's millipore filtration, ELISA, antigen test Method of infection: Trsmission from infective mosquitoe bites, transplacental infection of microfilariae only Clinical signs: Lethargy, exercise intolerance, signs referable to rt.-sided cardiac enlargement Control:Use of preventatives, reduce exposure to mosquitoes and endemic areas |
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Dipetalonema reconditum
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Location: Subcutaneous
Prepatent period:9 weeks Diagnostic stage:Microfilaria Test:Modified Knott's tissue millipore filtration Method of infection:Transmission from infective flea bites, Ingestion of flea Clinical signs:Considered to be none pathogenic, microfilariae may cause problems in kidney tubules Control:Control flea population |
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Dioctophyma renale
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Location:Kidney
Prepatent period:5 months Diagnostic stage:Dark brown, thick-walled, barrel-shaped egg w/a pitted shell and an operculum at each pole: sng.-celled zygote Test:Sedementatioof urine Method of infection: Ingestion of intermediate host (annelid worm), ingestion of paratenic host (i.e.,fish and green frogs) Clinical signs:May be none, Vague abdominal pain after kidney rupture, Adult worms often found in abdominal cavity at surgery Control:Surgical removal nephrectomy if in the kidney |
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Dracunculus insignis
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Location:Subcutaneous tissue
Prepatent period:309-410 days Diagnostic stage:Comma-shaped larva w/an esophagus and a straight tail Test:Direct smear of fluid in blister Method of infection:Ingestion of paraenic host Clinical signs:Pea-sized blister on legs, elbows, and axillary area, break open, Adult worms coiled in SQ tissue Control:Surgical removal |
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Toxocara cati
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Location:Small intestines
Prepatent period:8 weeks Diagnostic stage:Dark-brown, thick-walled, pitted egg; sng-celled zygote Test:fecal flotation Method of infection:Ingestion of infective eggs, Transmammary, Ingestion paratenic host Clinical signs: Control: |
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Ancylostoma
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Location:Small intestine
Prepatent period:3 weeks Diagnostic stage:Hookworm egg Test:Fecal flotation Method of infection:Skin penetration, Ingestion of infective larvae, Transmammary infection Clinical signs:Anemia, emaciation,weakness, melena, death Control: |
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Aelurostrongylus abstrusus
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Location:Bronchioles alveoli
Prepatent period:4-6 weeks Diagnostic stage:L1 w/S-shaped tail and a dorsal spine, esophagus 1/4 the length of body Test:Baermann Method of infection:Ingestion of infected snail, ingestion of paratenic host Clinical signs:Usually asymptomatic, may see chronic coughing Control: |
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platynosomum fastosum
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Location:Liver
Prepatent period:8-12 weeks Diagnostic stage:Dark amber, oval,operculated egg containing a miracidium Test:Sedimentation of feces Method of infection:Ingestion of intermediate host (snail), Ingestio of paratenic host Clinical signs:Severe infections characterized by anorexia, persistent vomiting, diarrhea, jaundice, death Control: |
