Table 1.

Behaviors recorded in the chickens with MSU-induced gouty arthritis.

Behaviors	Description
Sitting a	Ventral side contact with the ground
Flinching a	Raising one leg and stand on the other leg alone
Limping a	Abnormal limb using and walking posture with weight distributed uneven on feet
Standing on both legs	Both feet touch the ground at the same time
Walking	Normal limb using and walking posture with weight distributed even on both feet
Scratching	Claws scratch the ground
Grooming	Preening feathers by beak
Pecking at food	Touching food by beak
Pecking environment	Touching cage or the outside of the cage by beak
Drinking	Touching water by beak
Phonating	Making any sound

^aSpontaneous pain behaviors.