E2 Parasite Genus/Species List Flashcards

(90 cards)

1
Q

Diphyllobothrium latum (2)

A
Category: Tapeworms
Host(s): Human, dog, bear (fish eaters) 
Organ system: Small intestine
Transmission: Copepod (water flea) & Pike fish 
Diagnosis: Egg in feces
Important facts: None
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2
Q

Spirometra mansonoides (3)

A

Category: Tapeworms
Host(s): Cats & dogs (carnivores)
Organ system:
Transmission: Copepod (water flea) & snake/frog
Diagnosis: Eggs in feces
Important facts: Causes sparganosis in humans
-infects brain and eye

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3
Q

Davainea proglottina (1)

A

Category: Tapeworms
Host(s): Poultry
Organ system: Small intestine (duodenum)
Transmission: Snail or slug
Diagnosis: Eggs in feces (small w/ 6 hooks)
Important facts: None

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4
Q

Anoplocephala sp. (3)

A
Category: Tapeworms
Host(s): Horse
Organ system: Small & large intestine
Transmission: Oribatid mites
Diagnosis: Egg w/ pyriform apparatus 
Important facts:
*No armed rostellum 
*Eggs have a pyriform apparatus w/ 6 hooks
*Similar to Moniezia sp. in cattle & sheep
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5
Q

Anoplocephala perfoliata (2)

A
Category: Tapeworms
Host(s): Horse
Organ system: Small AND large intestine 
Transmission: Oribatid mites
Diagnosis: Egg w/ pyriform apparatus 
Important facts:
*Most COMMON horse tapeworm in the USA 
*Most PATHOGENIC 
*No armed rostellum 
*Eggs have a pyriform apparatus w/ 6 hooks
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6
Q

Moniezia sp. (4)

A
Category: Tapeworms
Host(s): Cattle & sheep
Organ system: Small intestine
Transmission: Oribatid mites
Diagnosis: Egg w/ pyriform apparatus 
Important facts:
*Similar to Anoplocephala sp. in horses
*No armed rostellum 
*Eggs have a pyriform apparatus w/ NO hooks
*NOT pathogenic 
*Al-bendazole 
*20 ft long!
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7
Q

Moniezia benedenni (1)

A
Category: Tapeworms
Host(s): Cattle only!
Organ system: Small intestine 
Transmission: Oribatid mites
Diagnosis: Egg w/ pyriform apparatus 
Important facts:
*Similar to Anoplocephala sp. in horses
*No armed rostellum 
*Eggs have a pyriform apparatus w/ NO hooks
*NOT pathogenic 
*Al-bendazole 
*20 ft long!
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8
Q

Thysanosoma actinoides (2)

A
Category: Tapeworms
Host(s): Sheep (goats & wild ruminants)
Organ system: Small intestine, bile & pancreatic ducts 
Transmission: Unknown
Diagnosis: Eggs rarely seen!
Important facts:
*"Fringed Tapeworm"!
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9
Q

Taenia saginata (5)

A
Category: Tapeworms 
Host(s): Humans are definitive host!
Organ system: Small intestine 
Transmission: *Larvae in beef muscle = cysticercus 
Diagnosis: Larval cysts in beef
Important facts:
*"Beef measles"!
*Humans defecating in feed bunks
*Control by sanitation
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10
Q

Taenia solium (6)

A

Category: Tapeworms
Host(s): Humans are definitive host!
Organ system: Small intestine
Transmission: *Larvae in pork muscle = cysticercus cellulosae
Diagnosis:
Important facts:
*Neurocystocercosis in humans can come from people eating feces of infected people

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11
Q

Taeniid tapeworms (2)

A
Metacestodes 
Larval stages
1. Cysticercoid
2. Cysticercus
3. Coenurus
4. Hydatid cyst
NOT coracidium
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12
Q

Taenia hydatigena (1)

A
Category: Tapeworms
Host(s): Dog (carnivores) 
Organ system: N/A
Transmission: Pigs, sheep other ruminants 
Diagnosis: N/A
Important facts:
*Cysticercus in omentum & mesenteries
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13
Q

Taenia ovis (1)

A
Category: Tapeworms
Host(s): Dog (carnivores) 
Organ system: N/A
Transmission: Sheep
Diagnosis: N/A
Important facts:
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14
Q

Taenia krabbei (1)

A
Category: Tapeworms
Host(s): Wolf (other canids)
Organ system: N/A
Transmission: Deer (cervids)
Diagnosis: N/A
Important facts:
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15
Q

Taenia pisiformis (2)

A
Category: Tapeworms
Host(s): Dog (carnivores) 
Organ system: N/A
Transmission: Rabbits
Diagnosis: N/A 
Important facts:
*Risk for dogs that chase and eat rabbits
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16
Q

Echinococcus granulosus (12)

A
Category: Tapeworms
Host(s): Dog
Organ system: Small intestine 
Transmission: Sheep and horses
Diagnosis: Taeniid eggs in feces
Important facts:
*Can cause disease in people! 
*Larval stage can cause pressure necrosis 
*Armed rostellum 
*Unilocular hydatid cysts
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17
Q

Echinococcus multilocularis (2)

A
Category: Tapeworms
Host(s): Fox
Organ system: N/A
Transmission: Small rodents  
Diagnosis: N/A
Important facts:
*Multilocular hydatid cysts 
*Can cause disease in people! 
*Most lethal parasitic disease in people
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18
Q

Dipylidium caninum (4)

A
Category: Tapeworms
Host(s): Dog & cat (plus wild relatives) 
Organ system: Small intestine 
Transmission: Fleas and biting louse
Diagnosis: Segments, rare in feces 
Important facts:
*Control =
(1) Remove adult worms
(2) Remove fleas 
*Crawling rice grains
*Treatment
= (1) Praziquantel
& (2) Imidacloprid
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19
Q

Mesocestoides sp. (1)

A
Category: Tapeworms
Host(s): Dog & cat (plus wild relatives) 
Organ system: Small intestine 
Transmission: 
(1) Oribatid mite 
(2) Amphibians, reptiles & rodents 
Diagnosis: Segment with parauterine organ 
Important facts:
*TWO intermediate hosts!
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20
Q

Nematodes (3)

A
  • Diecious = separate sexes
  • Possess a simple nervous system
  • Has an inert cuticle
  • Have a mouth and anus = two openings
  • Life cycle
    (1) Large numbers of eggs
    (2) Molting from one stage to another
    (3) Host eats larvae from herbage
    (4) L3 is the INFECTIVE stage
    (5) L4 is inside the host
    (6) L5 = juvenile adult
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21
Q

Ascarids (2)

A

*3 well-developed lips
*Successful because:
(1) Eggs can survive LONG in the environment
(2) Large numbers of eggs are produced
Do NOT live long in the host
*Eggs will NOT be present in feces!
*May involve tracheal migration

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22
Q

Ascaris lumbricoides (1)

A
Category: Roundworms
Host(s): Human
Organ system: N/A 
Transmission: N/A 
Diagnosis: N/A 
Important facts: N/A
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23
Q

Ascaris suum (4)

A
Category: Roundworms
Host(s): Swine
Organ system: Small intestine, stomach, bile duct & liver 
Transmission: 
(1) Direct = pigs eats shed eggs 
(2) Paratenic hosts: earthworms and rodents 
Diagnosis: Cough (thumps), egg in feces 
Important facts:
*Mammillated egg surface 
*Lesions = milk spots on liver
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24
Q

Parascaris equorum (3)

A
Category: Roundworms
Host(s): Horse
Organ system: Small intestine 
Transmission: Eggs in environment 
Diagnosis: Eggs in feces 
Important facts:
*Foals become sick when they ingest eggs from the environment 
*"Summer colds" in foals
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25
Ascaridia galli (2)
``` Category: Roundworms Host(s): Poultry (ducks, geese, chickens, turkeys) Organ system: Transmission: Eggs in environment Diagnosis: Important facts: *May see worm in fresh chicken egg! ```
26
Heterakis gallinarum (3)
Category: Roundworms Host(s): Poultry Organ system: Cecum Transmission: (1) Direct: eggs in environment (2) Paratenic host: earthworm Diagnosis: Smooth shelled egg or histomoniasis problem Important facts: *Most common nematode in poultry *Vector for Histomonas sp. (protozoa) = enters egg *Male has a pre-anal sucker NOT a post-anal sucker
27
Toxocara canis (10)
``` Category: Roundworms Host(s): Dog (plus wild canids) Organ system: Small intestine Transmission: (1) Prenatal to fetus (2) Lactogenic to pups (3) Paratenic hosts: prey animals (4) Direct: ingestion of adult worms Diagnosis: Eggs in feces or worms in vomit (a) Finely pitted brown shell = golf ball (b) Tiny space between the egg and shell Important facts: *COMMON *Tracheal migration *Somatic migration *Newborn puppies = pulmonary hemorrhage *Heartworm preventatives are effective *Treat pups @ 2, 4, 6 & 8 weeks *VLM in humans ```
28
Toxocara cati (2)
``` Category: Roundworms Host(s): Cat (plus wild felids) Organ system: Small intestine Transmission: (1) Direct (2) Lactogenic to kittens (3) Paratenic hosts: prey animals Diagnosis: Eggs in feces similar to T. canis Important facts: *COMMON *NO prenatal transmission like T. canis *VLM in humans ```
29
Toxascaris leonina (2)
``` Category: Roundworms Host(s): Dog & cat (plus wild relatives) Organ system: Small intestine Transmission: (1) Direct (2) Paratenic host: prey animals (3) NOT transmitted to young Diagnosis: Important facts: *How to differentiate from T. canis (1) Smooth shell (2) Large space between ova and shell *NO VLM in humans! ```
30
Baylisascaris procyonis (2)
``` Category: Roundworms Host(s): Racoon & dog! Organ system: Small intestine Transmission: (1) Direct (2) Paratenic host: mice, rabbots, squirrels Diagnosis: Eggs in feces Important facts: *Neurotrophic visceral larva migrans (VLN) in humans ```
31
Strongyloides sp. (2)
``` Category: Pinworms (Threadworms) Host(s): Many Organ system: Intestines Transmission: (1) Direct lifecycle Homogonic (2) Indirect lifecycle = Heterogonic (3) Lactogenic Diagnosis: N/A Important facts: *Has a free living generation *Parasitic form is parthenogenic = eggs may be genetically 1X, 2X, or 3X ```
32
``` Pelodera strongyloides = Rhabditis strongyloides (3) ```
Category: Pinworms (Threadworms) Host(s): Dog, horse, cattle, swine, rodents Organ system: Skin and hair follicles Transmission: (1) Lactogenic infection of baby pigs (2) Wet bedding Diagnosis: Larvae from skin scraping Important facts: *Usually a free living worm = Heterogonic cycle! *Know BOTH names! Prof has referred to both
33
Strongyloides ransomi (2)
``` Category: Pinworms (Threadworms) Host(s): Swine (esp. young animals) Organ system: Small intestine (Larvae = somatic) Transmission: (1) Direct (2) Indirect (3) Latogenic Diagnosis: Larvated egg in feces Important facts: *Most PATHOGENIC in young pigs *Only in PIGS ```
34
Strongyloides westeri (1)
``` Category: Pinworms (Threadworms) Host(s): Equine (esp. foals) Organ system: Small intestine (Larvae = somatic) Transmission: (1) Lactogenic Diagnosis: Diarrhea, eggs in feces Important facts: *Short prepatent period = eggs seen in feces of young foals ```
35
Strongylus vulgaris (5)
``` Category: Pinworms (Threadworms) = Large strongyle Host(s): Horse Organ system: Cecum & anterior mesenteric artery Transmission: Ingestion of larvae Diagnosis: Eggs in feces Important facts: *May cause colic during migration *Migrates into anterior mesenteric artery *Most PATHOGENIC large strongyle *DRUG = (1) Benzimidazoles (a) Fenbendazole (b) Oxibendazole (2) Macrolide lactones (a) Moxidectin ```
36
Strongylus edentatus (1)
``` Category: Pinworms (Threadworms) = Large strongyle Host(s): Equine Organ system: Colon Transmission: N/A Diagnosis: N/A Important facts: N/A ```
37
Strongylus equinus (1)
``` Category: Pinworms (Threadworms) = Large strongyle Host(s): Equine Organ system: Ceacum Transmission: N/A Diagnosis: N/A Important facts: N/A ```
38
``` Small Strongyles (3) (Cyathostomes) ```
``` Category: Pinworms (Threadworms) Host(s): Equine Organ system: N/A Transmission: N/A Diagnosis: N/A Important facts: *Little RED worms *Cysts in large bowl cause most disease *Ineffective dewormers = Pyrantel = Fenbendazole ```
39
Strongylus cyathostomum (1)
``` Category: Pinworms (Threadworms) = Small strongyle Host(s): Equine Organ system: N/A Transmission: N/A Diagnosis: N/A Important facts: N/A ```
40
Haemonchus contortus (5)
``` Category: Pinworms (Threadworms) = Ruminant strongyles = Trichostrongylus Host(s): Sheep Organ system: Abomasum Transmission: Diagnosis: Important facts: *"Barber pole worm" "Stomach worm" *Most IMPORTANT parasite of sheep *Voracious blood sucker *When to deworm (1) Fecal egg counts (2) FAMACHA (measurement of anemia) ```
41
Haemonchus placei (1)
Category: Pinworms (Threadworms) = Ruminant strongyles = Trichostrongylus Host(s): Sheep Organ system: Abomasum Diagnosis: N/A Important facts: *Less pathogenic than Haemonchus contortus
42
Ostertagia sp. (3)
``` Hypobiosis = larvae enter the gastric glands and stop developing until favorable weather (1) Arrested development (2) Rest in gastric gland (3) Destroy gland when escaping ```
43
Ostertagia ostertagi (4)
``` Category: Pinworms (Threadworms) = Ruminant strongyles = Trichostrongylus Host(s): Cattle Organ system: Abomasum Transmission: N/A Diagnosis: Strongyle type eggs in feces, bottle jaw Important facts: *"Brown stomach worm" *Grows 10X size in gastric gland ```
44
Trichostrongylus axei (5)
``` Category: Pinworms (Threadworms) = Ruminant strongyles = Trichostrongylus Host(s): Cattle, sheep and horses Organ system: Stomach or abomasum Transmission: N/A Diagnosis: N/A Important facts: *SMALLEST of the stomach worms *Does NOT migrate *One of the few parasites that is of mixed grazing concern ```
45
Cooperia sp. (2)
Category: Trichostrongylus = Ruminants * Pathogenic = cause lack of gain * Causes inflammatory response in colon * Very prolific = fecund (lots of offspring) * Infects ruminants
46
Nematodirus sp. (2)
Category: Trichostrongylus = Ruminants * Larvae remain in eggs until infective * Requires COLD temps to become infective! * Infects ruminants
47
Oesophagostomum sp. (2)
Category: Trichostrongylus = Ruminants * May interfere with intestinal absorption in the colon * Larvae live in nodules in the colon * Infects ruminants
48
Hyostrongylus rubidus (1)
``` Category: Pinworms (Threadworms) Host(s): Swine Organ system: Stomach Transmission: N/A Diagnosis: N/A Important facts: *"Red stomach worm" ```
49
Stephanurus dentatus (3)
``` Category: Pinworms (Threadworms) Host(s): Swine Organ system: Kidneys, ureters, perirenal tissue & liver (larvae) Transmission: N/A Diagnosis: N/A Important facts: *"Swine kidney worm" *Live in pairs in the ureter *Migrate extensively in the liver *May be controlled by a gilts only breeding program ```
50
Syngamus trachea (2)
``` Category: Host(s): Birds (chickens, turkeys, pheasants) Organ system: Intestines & lung Transmission: N/A Diagnosis: N/A Important facts: *"Gape worm or Y worm" *Adults remain in permanent copulation *Eggs have opercula at both ends * Adults obstruct the trachea ```
51
Hookworms (5)
* Suck a plug of gut into their buccal capsule * Hookworm larvae may cause infection after penetration of the skin * Eggs will NOT be present in the feces of a 1 week old puppy!
52
Ancylostoma caninum (1)
Category: Hookworm (carnivore strongyle) Host(s): Dog (plus wild relatives), rare in cats Organ system: Small intestine Transmission: (1) Oral infection (2) Skin penetration Diagnosis: N/A Important facts: *Skin lesions in dogs that live outside on soil
53
Ancylostoma braziliense (2)
``` Category: Hookworm (carnivore strongyle) Host(s): Dog & CAT Organ system: N/A Transmission: N/A Diagnosis: N/A Important facts: *Major cause of cutaneous larval migrans in humans *Most common in cats ```
54
Uncinaria stenocephala (1)
``` Category: Hookworm (carnivore strongyle) Host(s): Dog (plus wild relatives), rare in cats Organ system: N/A Transmission: N/A Diagnosis: N/A Important facts: *"Northern hookworm" *Survives freezing ```
55
Dictyocaulus viviparus (3)
``` Category: Lungworms (strongyle type) Host(s): Cattle, buffalo, camel and wild ruminants Organ system: N/A Transmission: N/A Diagnosis: N/A Important facts: *Larvae may be seen in feces ```
56
Dictyocaulus filariae (1)
``` Category: Lungworms (strongyle type) Host(s): Sheep, goats, rare in wild ruminants Organ system: N/A Transmission: N/A Diagnosis: N/A Important facts: N/A ```
57
Dictyocaulus arnfieldi (2)
``` Category: Lungworms (strongyle type) Host(s): Donkey (natural host) & other equines Organ system: N/A Transmission: N/A Diagnosis: N/A Important facts: *Eggs NEVER seen in feces ```
58
Metastrongylus apri (2)
``` Category: Lungworms (strongyle type) Host(s): Swine & wild relatives Organ system: N/A Transmission: Intermediate host = earthworm Diagnosis: N/A Important facts: *INTERMEDIATE host! = earthworms *No earthworms = no infected pigs ```
59
Crenosoma vulpis (2)
``` Category: Lungworms (strongyle type) Host(s): Dog & wild canids Organ system: N/A Transmission: Intermediate host = snails & slugs Diagnosis: N/A Important facts: *"Fox lungworm" ```
60
Muellerius capillaris (2)
``` Category: Lungworms (strongyle type) Host(s): Sheep, goats and chamois (goat antelope) Organ system: N/A Transmission: Intermediate host = land snail Diagnosis: N/A Important facts: *"Hair lungworm" *Larvae can be seen in feces ```
61
Parelaphostrongylus tenuis (3)
``` Category: Non-lungworm (strongyle type) Host(s): White-tailed deer Organ system: Meninges Transmission: Intermediate host = land snail & slug Diagnosis: N/A Important facts: *"Meningeal worm of deer" *Can cause severe disease in llamas and alpacas or moose = aberrant hosts ```
62
Aelurostrongylus abstrusus (1)
``` Category: Lungworms (strongyle type) Host(s): Cat Organ system: N/A Transmission: N/A Diagnosis: Baermann examination of feces (larvae) Important facts: *"Cat lung worm" ```
63
Filaroides sp. (1)
* Parasites of the respiratory system * NO intermediate host * Lymph --> blood --> heart --> lungs * Larvae are passed in feces
64
Habronema sp. (3)
* Spirurid * Horse stomach worm * Larvae cause "summer sores" or bursati * Vector & intermediate host = Muscid flies * Similar to Draschia sp.
65
Draschia megastoma (4)
``` Category: Spiruird Host(s): Horse Organ system: Stomach Transmission: Diagnosis: Important facts: *Similar to Habronema sp. *Also causes "summer sores" via Muscid flies ```
66
Thelazia sp. (3)
*"Eye worm" *Fly as intermediate host *Adults may be found on the surface of the eye *OK to remove adults mechanically *Infect many species *Transmitted via Muscid flies (like Habronema sp. & Draschia sp.)
67
Spirocerca lupi (2)
``` Category: Spiruird Host(s): Dogs and wild canids & felids Organ system: Esophagus & stomach Transmission: Intermediate host = Dung beetle Diagnosis: N/A Important facts: *"Esophageal worm" *NOT in MN *Eggs passed in feces *Similar to Gongylonema pulchrum ```
68
Gongylonema pulchrum (2)
``` Category: Spiruird Host(s): Swine (sheep, goats & cattle) Organ system: Transmission: Intermediate host = Dung beetle Diagnosis: Important facts: *"Oesophageal worm" or "Gullet worm" *Similar to Spirocerca lupi ```
69
Ascarops strongylina (3)
``` Category: Spiruird & Physalopteran worm Host(s): Swine & wild relatives Organ system: Stomach Transmission: Diagnosis: Important facts: *"Large stomach worm" or "Thick stomach worm" *Similar to Physocephalus sexalatus ```
70
Physocephalus sexalatus (2)
``` Category: Spiruird & Physalopteran worm Host(s): Swine & wild relatives Organ system: Stomach Transmission: Diagnosis: Important facts: *Similar to Ascarops strongylina ```
71
Spirurida (1)
* NOT generally considered major pathogens | * Have an arthropod intermediate host
72
Physaloptera sp. (3)
* Spirurid * Stomach & intestinal worm * Uses intermediate hosts * Common in MN * NO effective treatment! * Prevent pets from eating intermediate hosts!
73
Oxyspirura mansoni (2)
``` Category: Spiruird Host(s): Poultry (chickens & turkeys) Organ system: Eye Transmission: Intermediate host = cockroach! Diagnosis: N/A Important facts: *"Poultry eye worm" ```
74
Tetrameres sp. (2)
Category: Spiruird Host(s): Birds (chickens, turkeys, ducks, geese, psittacines & raptors) Organ system: Proventriculus Transmission: Intermediate host = arthropod Diagnosis: N/A Important facts: *"Globular worm"
75
Cheilospirura (Acuaria) hamulosa (2)
``` Category: Spiruird Host(s): Birds (chickens, turkeys, pheasants, psittacines, waterfowl, and raptors) Organ system: Gizzard Transmission: N/A Diagnosis: N/A Important facts: *"Gizzard worm" ```
76
Dispharynx nasuta (1)
Category: Spiruird Host(s): Poultry (chickens, turkeys and pheasants) Organ system: Proventriculus, gizzard & esophagus Transmission: N/A Diagnosis: N/A Important facts: N/A
77
Dirofilaria immitis (10)
Category: Filariid Host(s): Dogs & cats (plus wild relatives), sea lions and otters, ferrets, racoons, horses, humans? Organ system: Adults = Right heart Microfilariae = Blood, other organs & tissues Transmission: Intermediate host = mosquito Diagnosis: Important facts: *"Canine Dirofilariasis" or "Canine Heartworm" *PPP = 6 months *Infective L3 larvae only develop in the mosquito! *Cats can develop disease due to aberrant migration of worms esp. CNS or ocular tissue = organ most affected is the lungs! *Monthly preventatives work by killing larvae *DRUG that kills adults = Melarsomine hydrochloride
78
Filariids (2)
``` *Females produce fully developed larvae = microfilaria *Arthropod intermediate host *Microfilariae in circulation or skin *Worms live in body cavity, CT, lymph or blood ```
79
Acanthocheilonema (Dipetalonema) reconditum (2)
Category: Filariid Host(s): Dog & wild canids Organ system: Subcutaneous tissue and body cavities Transmission: Intermediate hosts = fleas! Diagnosis: N/A Important facts: *Microfilaria look very similar to Dirofilaria immitis (Heartworm) and may confound diagnosis
80
Setaria sp. (1)
``` Category: Filariid *Peritoneal worms *Intermediate host = mosquito *Hosts = cattle & horses NOT dogs ```
81
Onchocerca sp. (3)
Category: Filariid * Adults = connective tissue * Microfilaria = skin, lymphatics & CT * Species causes "River blindness" in humans
82
Dracunculus insignis (1)
Category: Filariid Host(s): Raccoon, mink, dog, fox, muskrat, skunk, weasel & otter Organ system: Subcutaneous tissue esp. leg Transmission: Intermediate host = Copepod (small crustacean) Paratenic host = Frog Diagnosis: N/A Important facts: *Present in MN
83
Trichuris sp. (1)
Category: Whipworms | *Eggs are identified by having BIPOLAR PLUGS
84
Trichuris vulpis (1)
Category: Whipworms Host(s): Dogs and wild canids Organ system: Caecum and large intestine Transmission: Direct life cycle = NO intermediate host Diagnosis: clinical signs (1) Soft feces with bright red blood (2) Weight Loss, diarrhea, tenesmus (straining to defecate) Important facts: N/A
85
Trichuris felis (1)
``` Category: Whipworms Host(s): Cat Organ system: N/A Transmission: N/A Diagnosis: N/A Important facts: *Very rare in cats in the continental US ```
86
Eucoleus (Capillaria) aerophilus (1)
Category: Whipworms Host(s): Dog & cat (plus other wild animals) Organ system: Lungs Transmission: Direct life cycle = NO intermediate host Diagnosis: N/A Important facts: N/A
87
Pearsonema (Capillaria) plica (1)
Category: Whipworms Host(s): Dogs Organ system: Urinary bladder and kidney pelvis Transmission: Ingestion of earthworm with L1 is required! Diagnosis: Egg in urine sediment Important facts: *"Bladder worm of Canids"
88
Capillaria sp. (avian) (1)
* Can be quite pathogenic = important | * May use an earthworm as a paratenic host
89
Dioctophyme renale (2)
Category: Roundworm Host(s): Dog, mink, wolf & fox Organ system: RIGHT kidney Transmission: Intermediate host = Oligochaeta (aquatic worm) Paratenic host = Fish esp. bullheads or pike Diagnosis: Eggs in urine Important facts: *Bright red color *Worm could also be found free in the abdominal cavity
90
Trichinella spiralis (3)
Category: Roundworm Host(s): Swine, Humans, other mammals Organ system: Adults = small intestine Larvae = encysted in muscle tissue Transmission: Must eat infected muscle Diagnosis: N/A Important facts: *NOT very pathogenic in swine BUT deadly in humans! *Bear meat poses the greatest risk to humans *Horses are not usually affected because they are herbivores and would need to eat infected meat