Learn Animal Disease with Braimy -B.Sc. Agriculture
About Lesson
  • Also known as paratuberculosis
  • Capable of causing disease in all ruminant


a) Etiology:

  • Caused by Myobacterium avium

b) Transmission:

  • Manure of infected animal

c) Symptoms:

  • Emaciation
  • Unresponsive to antibiotics
  • Normal stool with occasional diarrhea
  • Low-grade fever
  • Intermandibular edema
  • Thickened small intestine

Johnes Disease (Paratuberculosis) in Cattle |

d) Diagnosis:

  • Culture of feaces and tissue
  • Microscopic examination of tissue
  • Blood test, ELISA test

e) Control:

  • Maintain sanitary environment.
  • Clean udders or dams before nursing
  • Move to “Clean pastures”.
  • Vaccination
  • Don’t graze sheep on contaminated pasture
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