Lecture 25: Roundworm diseases II Flashcards
what is the common name for Trichuris
Whipworms
Are trichuris heteroxenous or monoxenous
Monoxenous
Where/who do Trichuris/whipworms parasitize
Cecum and colon of mammals
What do trichuris adult worms ingest
Blood, tissue fluids, mucosa
What do heavy infections with trichuriasis cause
Diarrhea with mucous and blood, anorexia, weight loss, failure to gain wait, dehydrate, anemia
Can be fatal
What species does T. Vulpis infect
Dogs
What species does T. Suis infect
Swine
What is used to tx trichuris
Fenbendazole
Dog presents with severe diarrhea with mucus and blood, anemia, and weight loss. The following worms and eggs were found. What parasite is this
T. Vulpis
What trichuris is known to cause rectal prolapse in dogs
T. Vulpis
Are Trichinella species heteroxenous or monoxenous
Heteroxenous
T or F: individuals infected with trichinella serve as IH and DH
True
Where do larvae of Trichinella migrate to
Skeletal muscle
Trichinellosis is rarely diagnosed in animals but poses huge public health risk, why?
Consuming raw or undercooked pork or bear
Name the genus, taken from bear meat
Trichinella
How can you dx Trichinella infection
Muscle biopsy- larvae migrate to skeletal muscle
What is the treatment for trichinella
Mebendazole or albendazole
What are the 4 major groups of strongylid nematodes
- GI hair worms and trichostrongyloid
- Large bowl stronglyes and modular worms
- Hookworms
4 metastrongyloid lung, vascular and neural worms
What do GI hairowrms and trichostrongyloid lungworms infect
Mammals, birds
What do large bowel strongyles and nodular worms infect
Mammals, birds, reptiles
What do hookworms parasitize
Mammals
What do metastrongyloid lung, vascular and neural worms parasitize
Mammals
Which strongyloid nematode is heteroxenous (rest are monoxenous)
Metastrongyloid lung, vascular and neural worms
What domestic animals are most impact by GI hair worms and trichostrongyloid lung worms
Ruminants, swine, equine
Most trichostrongyloid infect __ or ___
Abomasum or stomach