Parasitology Oxyurids

Oxyuris equi (host, site of infections, distribution)
- pinworm
- Hosts: horses (hose specific)
- Site of infection: primarily in terminal large intestine, occasionally in large colon and cecum
- Distribution: worldwide, common
Oxyuris equi Life Cycle
- Direct: females migrate to cement eggs to perianal skin and hair--> eggs require 4-5 days for development--> transmission is through ingestion of infective eggs
- all age groups are susceptible
- most common in horses less than 18 months
- long prepatent period: 4-5 months
Oxyuris equi pathogenicity/ clinical signs
- 1. abdominal discomfort- sever infection with L3 and L4 state larvae
- 2. pruritus ani
- 3. Bare patches on buttocks and tail
Enterobius vermicularis
- Prepatent period of 2-6 weeks
- most common in children
Oxyurids public health significance
- They are not zoonotic parasites
- Dogs and cats do not get infected with pinworms

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amberevans321

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Parasitology Oxyurids

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Parasitology oxyurids

Updated

2016-02-01T11:39:32Z

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