Delayed union, non-union and mal-union in 442 dogs.

Objectives: (1) To estimate the prevalence of delayed union, non-union and mal-union in canine fractures; (2) to describe fracture, demographic, and treatment characteristics for these outcomes; (3) to identify risk factors for delayed or non-union.

Study Design: Retrospective study.

Sample Population: Four hundred and forty two dogs (461 fractures).