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Vitamin B6 Deficiency

Pyridoxine Deficiency

Vitamin B6, also called pyridoxine, helps the duck's body make several neurotransmitter chemicals that carry signals from one nerve cell to another. It is required by several enzymes, including those involved in the breakdown of amino acids.

Ducklings fed a vitamin B6-deficient diet have little appetite poor growth, chondrodystrophy, and characteristic nervous behavior. Ducklings may show jerky, nervous movements of the legs, run aimlessly about, flapping their wings, or squating with their wings slightly spread out and their heads resting on the ground. Chronic borderline B6 deficiency produces perosis; usually one leg is severely crippled, and one or both of the middle toes may be bent inward at the first joint.

Dietary requirement
Ducks should receive a diet with at least 4.37 mg/kg of vitamin B6.

Symptoms

Facial swelling
Weakness
Little to no appetite
Stunted growth
Squating w/ wings spread out
Heads resting on the ground
Incoordination
Easily excitable
Perosis
Trembling
Aimlessly running
Drooping wings
Convulsions

Diagnosis

  • History
  • Clinical signs
  • Physical exam
  • Nutritional analysis of diet

Treatment

MethodMethod Summary
Vitamin B6Provide oral supplements of vitamin B6 or vitamin b6-rich food sources, such as

Prevention

References

Risk Factors

  • Feeding an unbalanced or limited diet to birds