Nematodes

What is Spirocerca Lupi commonly known as?

Esophageal worm

What is the definitive host (DH) for Spirocerca Lupi?

Dogs, wild canids, other wild animals

What is the intermediate host (IH) for Spirocerca Lupi?

Dung beetle

What are the paratenic hosts (PH) for Spirocerca Lupi?

Rodents, birds, reptiles

Where does Spirocerca Lupi typically reside in the host?

Wall of esophagus, stomach

What is the diagnostic stage of Spirocerca Lupi?

Eggs

What diagnostic tests are used for Spirocerca Lupi?

Fecal sedimentation, Gastroscopy

What are clinical signs of Spirocerca Lupi infection?

Dysphagia and regurgitation, esophageal rupture

How is Spirocerca Lupi transmitted?

Intermediate host ingests eggs in feces; definitive host ingests intermediate or paratenic hosts

What is Physaloptera commonly known as?

Stomach worm

What are the definitive hosts (DH) for Physaloptera?

Dogs, cats, wild animals

What are the intermediate hosts (IH) for Physaloptera?

Cockroach, beetle, and crickets

What are the paratenic hosts (PH) for Physaloptera?

Mice, frogs, reptiles

Where does Physaloptera typically reside in the host?

Stomach

What is the diagnostic stage of Physaloptera?

Egg

What diagnostic test is used for adults of Physaloptera?

Gastroscopy

What is another diagnostic method for Physaloptera?

Fecal sedimentation

What clinical signs are associated with Physaloptera infection?

Gastritis, vomiting, and anorexia

How is Physaloptera transmitted?

Definitive host ingests intermediate host or paratenic host

Toxocara canis

CANINE ROUNDWORM

Transmission: Transplacental & Transmammary

Diagnostic test: Centrifugal or simple floatation

Toxocara cati

FELINE ROUNDWORM

Transmission: ONLY transmammary

What zoonotic infections are associated with ascardis in dogs and cats

Visceral larva migrans (VLM)

Ocular larva migrans (OLM)

Baylisascariasis procyonis

RACCOON ROUNDWORM

ZOONOTIC!!!!

What is the scientific name for the canine whipworm?

Trichuris vulpis

What are the definitive hosts for Trichuris vulpis?

Dog, fox, coyote

Where does Trichuris vulpis primarily reside in its host?

Cecum and colon

How is Trichuris vulpis transmitted?

Dogs ingest eggs from the environment

What is the diagnostic stage of Trichuris vulpis?

Egg

What diagnostic method is used for Trichuris vulpis?

Centrifugal floatation

What are common clinical signs of Trichuris vulpis infection?

Diarrhea, weight loss, anemia, dehydration

What is the scientific name for the canine hookworm?

Ancylostoma caninum

What is the common name for Ancylostoma caninum?

Canine hookworm

How is Ancylostoma caninum transmitted?

Direct skin penetration, Transmammary, Transplacental

Is Ancylostoma caninum zoonotic?

Yes, it can cause cutaneous larva migrans

What are some clinical signs of Ancylostoma caninum infection?

Blood loss anemia, melena, poor haircoat, dehydration, erythema, pruritus, papules

Ancylostoma tubaeforme

FELINE HOOKWORM

Cockroaches contain infective larvae

What is Strongyloides stercoralis commonly known as?

Intestinal threadworm

What are the definitive hosts for Strongyloides stercoralis?

Dogs, cats, humans

How is Strongyloides stercoralis transmitted?

Skin penetration (L3 larvae)

What is a major route of transmission for Strongyloides stercoralis in dogs?

Transmammary

What is the diagnostic stage of Strongyloides stercoralis?

First-stage larvae

What diagnostic test is used for Strongyloides stercoralis?

Baermann test

Aelurostrongylus abstrusus

FELINE LUNGWORM

Diagnostic test: Baerman (feces)

Transtracheal wash

Clincal signs: constant cough, progresive dyspnea

Oslerus (Filaroides) osleri

tracheal and bronchial nodular worm

Eucoleus (Capillaria) aerophilus

FELINE AND CANINE BRONCHIAL CAPLLARID

DH: Foxes, dogs, and cats

Foxes are reservoir

Eucoleus boehmi

NASAL CAPILLARID OF THE DOG

Dioctophyma renale

GIANT KIDNEY WORM

Diagnostic test: Urine sediment

Pearsonema (capillaria) plica and feliscati

BLADDER WORM

IH: Earthworm

Dirofilaria immitis

HEARTWORM

Diagnostic test: Modified Knott's

ELISA

Rhabditis (Pelodera) strongyloides

FREE-LIVING SOIL NEMATODE

DH; Dogs, cows, sheep, horses, guinea pigs, people

Diagnostic test: Skin scrape; skin biopsy

Thelazia californiensis

eyeworm of dogs and cats

IH: filth flies

ZOONOTIC!!!!

Gongylonema pulchrum

esophageal worm of ruminants

DH: sheep, goats, cattle

IH: Dung beetle and cockroach

Trichostrongyles spp.

HOT COMPLEX

Strongyloides papillosus

intestinal threadworm of cattle

Nematodirus

Thread-necked worm

Trichuris ovis

Whipworm

Toxocara (Neoascaris) vitulorum

Roundworm

What is Elaeophora schneideri?

Arterial worms of sheep

What is the definitive host for Elaeophora schneideri?

Mule deer and black-tailed deer

What is the intermediate host for Elaeophora schneideri?

Horse flies

What diagnostic test is used for Elaeophora schneideri?

Skin biopsy

What condition does Elaeophora schneideri cause in sheep or goats?

"Sorehead"

Dioctycaulus

Lungworm

D. viviparus: cattle and camelids

D. filaria: sheep, goats, and camels

Diagnostic test: Baerman

Muellerius capillaris

hair lungworm

IH: Slugs or snails

Diagnostic test: Baerman

What is Stephanofilaria stilesi commonly known as?

Skin worm of cattle

What is the intermediate host of Stephanofilaria stilesi?

Female horn fly: Haematobia irritans

What is the diagnostic stage of Stephanofilaria stilesi?

Microfilaria

What diagnostic test is used for Stephanofilaria stilesi?

Deep skin scrape

Where does dermatitis occur in cattle infected with Stephanofilaria stilesi?

Along the ventral midline between the brisket and navel

Thelazia rhodesii and Thelazia gulosa

eyeworms of cattle, sheep and goats

IH: face fly: musca autumnalis

Setaria cervi

Abdominal worm of cattle

IH: mosquito

Ascaris suum

Swine roundworm