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Table 1 Six-point (0–5) gait scoring system

From: Experimentally induced lameness in turkeys inoculated with a newly emergent turkey reovirus

Score Description
0 N ▪ Flex and extend legs smoothly and easily
▪ No reluctance in movement
▪ Walk actively with upright breast
▪ Legs are parallel
▪ Stand with no shaking in legs or labored breathing
1 N ▪ Flex and extend legs smoothly and easily
▪ Little reluctance in movement
▪ Walk actively with upright breast
▪ Legs are parallel
▪ Legs shake during standing
▪ No anatomical changes in legs (swelling, valgus or varus)
2 N ▪ Flex and extend legs smoothly and easily
▪ Little reluctance in movement
▪ Walk actively with upright breast
▪ Legs are parallel with mild swelling or had mild valgus or varus
▪ Legs shake during standing
3 L ▪ Staggered movement and dropped keelbone
▪ Unilateral significant hock joint swelling, varus or valgus
▪ Marked bilateral defect, but can walk and stand for more than 30 seconds
4 L ▪ Staggered movement and dropped keel bone Marked bilateral hock joint swelling, varus or valgus
▪ Cannot walk and stand for more than 30 seconds
5 L ▪ Completely recumbent
▪ Stand and walk for seconds if it is pushed to walk
▪ Bird then prefers to walk on hocks “creeping”
▪ Bird may not be able to stand and creeps when initiated to move
  1. Nnon-lame.
  2. Llame.