Lecture 28: Roundworm Disease IV Flashcards
Spirurids: physaloptera spp parasitize what species and where
Stomach of mammals, birds, reptiles and amphibians
What are the intermediate hosts for physaloptera spp
Various insects
What are the paratenic hosts for physaloptera
Insect eating vertebrates
What symptoms does physaloptera infection cause in dogs and cats
Chronic vomiting, anorexia, dark feces, anemia and weight loss
How do you dx physaloptera
Fecal sedimentation
What tx is used for physaloptera
Cats and dogs: pryantel pamoate or ivermectin
Dogs: Fenbendazole
Thelazia spp infect where and who
Eye worms of mammals and birds, infect conjunctival sac, lacrimal glands and ducts
What are the intermediate host/vectors for thelazia spp
Flies that feed on ocular secretions (face flies)
What species does Habronema muscae infect and where
Horse stomach
What is the intermediate hot for H. Muscae
Housefly (M. Domestica) and stable flies (stomoxy spp)
Horse presents with granulomatous cutaneous and ophthalmic lesions. What is the likely parasite
H. Muscae
How to dx H. Muscae
Fecal sedimentation
What is tx for H. Muscae
Cutaneous.ocular: ivermectin, corticosteroids
Gastric: ivermectin or moxidectin
What species and where does Spirocera Lupi infect
Esophagus of dogs
What symptoms are experienced with spirocerosis
Dysphasia, vomiting, weight loss, coughing, dyspnea
What are some complications from S. Lupi infection
Aortic aneurysm or rupture, fatal hemorrhage, esophageal sarcoma
What are some Tx of S. Lupi
Doramectin, ivermectin
What species do onchocera spp/filaroid worms infect
Ungulates, carnivores
What is the intermediate host for onchocera spp.
Black flies and midges
What species does O. Cervicalis infect and where
Horses
Adults in nuchal ligament
What parasite can cause summer manage aka onchocera dermatitis in horses
O. Cervicalis
What species is infected by O.lupi and where
Dogs eye
What causes canine ocular onchocerosis
O. Lupi
Dog presents with the following: periocular swelling, protrusion of nictating membrane. The following image of his eye was taken. What parasite caused this
O. Lupi
What is D. Immitis
Canine heart worm