Nairobi Sheep Disease

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Nairobi Sheep Disease


  • Nairobi sheep disease is an infectious, noncontagious viral disease transmitted by the brown tick Rhipicephalus appendiculatus. This disease has been reported only in eastern and central Africa.


  • This disease is marked by high fever, runny nose, and bright green, watery diarrhea that may contain blood and mucous flecks when the animal is near death. The animals have poor appetite, weaken, and cannot rise. Pregnant does frequently abort. Goats usually recover.


  • It is transmitted from goat to goat by the bite of the brown tick.


  • Treatment is of little value and most goats eventually recover..


  • Goats should be dipped or sprayed at weekly intervals to control ticks.
  • A vaccine is being developed.


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