Musculoskeletal Disorders

Question 1

• Bone malformation, believed to be genetic in origin; more common in males
• Cartilage abnormality present at the end of long bones in the leg
• Generally non-fatal
• Affected birds with sluggish or uneve gait
• Tibiotarsus commonly affected, especially in broilers

Answer 1

Dyschondroplasia

Question 2

NO remedy
Calcium supplementation may help

Answer 2

Dyschondroplasia

Question 3

Genetic in origin

Defects in the long ones
• tibiotarsus / tarsometatarsus
• 0.5% to 2% of the flock
• shows at ±3 weeks old

Severity may be influenced by management and nutrition

Control: There is no remedy, management of the flooring/litter may help

Answer 3

Valgus (Twisted Leg)
Varus (bow-legged)