Created by Suresh330
Last edited February 25, 2026


Sheep and goats are both small ruminants with cosmopolitan distributions due to their being kept historically and in modern times as grazers both individually and in herds in return for their production of milk, wool, and meat.[1] As such, the diseases of these animals are of great economic importance to humans.

Prion diseases[edit | edit source]

Viral diseases[edit | edit source]

Diseases caused by viruses include:

Bacterial diseases[edit | edit source]

Diseases caused by bacteria include:

Fungal diseases[edit | edit source]

A sheep showing clinical symptoms of facial eczema.

Diseases caused by funguses include

Parasitic diseases[edit | edit source]

Parasites causing disease in sheep and goats include diseases caused by protozoa, helminths, tapeworms and roundworms.

Protozoa[edit | edit source]

Helminths[edit | edit source]

Flatworms[edit | edit source]

Tapeworms[edit | edit source]

E. granulosus life cycle

Roundworms[edit | edit source]

Arachnids and insects[edit | edit source]

Ticks[edit | edit source]

Mites (mange)[edit | edit source]

Lice[edit | edit source]

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Flies[edit | edit source]

References[edit | edit source]

  1. Pugh, D. G. (2002). Sheep and Goat Medicine. Philadelphia: Saunders. ISBN 0-7216-9052-1.
  2. Kirvar, E; Ilhan, T; Katzer, F; Wilkie, G; Hooshmand-Rad, P; Brown, D (29 June 1998). "Detection of Theileria lestoquardi (hirci) in ticks, sheep, and goats using the polymerase chain reaction". Annals of the New York Academy of Sciences. 849: 52–62. doi:10.1111/j.1749-6632.1998.tb11033.x. PMID 9668449.
  3. "Mange in Sheep and Goats". The Merck Veterinary Manual. Retrieved 2019-06-17.
  4. 4.0 4.1 "Lice in Sheep and Goats". The Merck Veterinary Manual. Retrieved 2019-06-17.