Internal Parasites - Parasitology

Question	Answer
General signs of Worm Infestation	Diarrhoea Weight loss Colic Lack of Appetite
Classification of Common Equine Internal Parasites	Nematodes - Pinworms Cestodes - Tapeworms Arthropods - Bot flies
Large Strongyles	Redworm Dark red Larvae migrate through blood vessels
LifeCycle of Large Strongyles	Adults attach to wall of Large Intestine lay eggs which pass to faeces when ingested causes inflammation in BV
Ascarids Life Cycle	Cause Impaction colic and damage liver and lungs Founds in Small intestines in Foals up to 3yo Passed out onto pasture Developed in lungs and coughed up and swallowed
Life cycle of Bots (Gastrophilius)	Remove eggs with bot knife During summer Found on horses legs and shoulders Attach to stomach lining
Pinworms	Tail rubbing spend life in Intestinal Lumen White roundworm
Threadworm	Infective Larvae pass to foal in mare's milk Contact vet Infects foal liver and lungs
Lungworms	Slender white Infects donkeys who tolerate them Horse's cough, increased repiratory rate and nasal discharge

Resource summary

	Created by Karen Daly about 7 years ago