Parasites

Parasites

Organs

Ages

Symptoms

Strongyles
(bloodworms)

Larvae-arteries,

liver and gut wall

Adults-large intestine

All ages... 
but young at high risk

- Stunted growth,
- loss of weight,
- poor appetite,
- rough hair coat,
- general weakness,
 - anemia,
- diarrhea,
- recurrent colics,
- death

Ascarids
(roundworms)

Larvae-liver & lungs

Adult-small intestine

Young
(under 2 years of age)

- Stunted growth,
- pot bellied,
- rough hair coat,
- digestive upsets,
- pneumonia,
- death

Bots

Eggs-on hair

Larvae-tongue & gums

Bots-stomach

All ages

- Excitement (by flies),
- digestive upsets

Pinworms

Larvae-large intestine

Adults-large intestine & rectum

Larvae affect all ages

Tail rubbing

Strongyloides (threadworms)

Larvae-lungs & small intestine

Adults –small intestine

Foals

- Diarrhea,
- dehydration,
- weight loss