Transcript External & Internal Parasites

External & Internal
Parasites
Jake Everhart
May 16, 2001
Symptoms of Parasitic
Infestation
Parasites to the
stomach and
intestines cause:
Anemia
Scouring
Depression
Death
Description of Parasitic
Infestation
Roundworms:
Found in the
digestive system
Most important
parasites from an
economic standpoint
Mostly in stomach
and intestines
Stomach Worm
Several species of stomach worm
Twisted stomach worms and brown
stomach worms are the most important.
Found in all classes of livestock
Most common in cattle, sheep and
horses.
Penetrates the stomach lining
Causes severe damage
Calf Scours
Diarrhea
Two main forms
Hypersecretion
Malabsorption
Result of Diarrhea
Dehydration
Dryed out mouth
Strongyles
Several species
Attack all species
Greater affect on young
Blood sucking parasites that attach to
the lining of the intestines
Ascarids
Parasites of cattle, sheep, horses and
hogs
Affects young mostly
The larvae burrow into the wall of the
intestines and migrate through the liver,
heart, and finally the lungs
Description of external
parasites
Mites and mange
Mites are a live
parasite
Mange is a live
fungus