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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.