Twisted Leg

calendar icon 22 March 2019
clock icon 2 minute read


A complex condition seen in chickens and turkeys. Morbidity is 1-20% and mortality is low. Factors involved may include genetics, nutrition, environment and high growth rate.


  • Lameness.
  • Distortion at hock.
  • Valgus/varus.
  • Various angulations of leg.
  • Gastrocnemius tendon may slip.

Post-mortem lesions

  • Linear twisting of growth of long bones.
  • Changed angulation of tibial condyles; intertarsal angulation up to 10% is physiological, greater than 20% is abnormal.


Symptoms, lesions. Differentiate from perosis, arthritis and synovitis.




Selection for good conformation in primary breeding. Adoption of optimal nutrition and growth patterns for the economic objectives of the production system.

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