Canine Hip Dysplasia Evaluation and Management

Canine hip dysplasia (CHD) is a developmental disorder characterised by laxity and incongruity of the hip joint, leading to progressive osteoarthritis, pain and impaired mobility. The condition is polygenic and influenced by environmental factors such as growth rate and exercise. Evaluation typically centres on radiographic assessment, including standardised ventrodorsal or hip-extended views, quantification of joint congruity (Norberg angle) and distraction indices. Phenotypic screening schemes have been established across many countries, yielding large datasets that inform breeding decisions and enable estimated breeding values (EBVs) to improve joint conformation over generations. Management strategies encompass a combination of conservative measures—weight control, physiotherapy and non-steroidal anti-inflammatory drugs—and surgical interventions tailored to age and severity, such as juvenile pubic symphysiodesis, triple pelvic osteotomy and total hip replacement. Recent advances in quantitative imaging, genetics and biomechanical modelling have enhanced early detection, risk stratification and development of targeted therapies. A holistic approach that integrates genetic screening, standardised radiographic protocols and multidisciplinary clinical management is crucial to mitigate disease progression and improve quality of life in affected dogs.

Research from Nature Portfolio

Recent studies have employed genome-wide association methodologies in diverse breeds to identify genetic loci contributing to hip dysplasia susceptibility. In one large-scale analysis of Labrador Retrievers, a genome-wide association study pinpointed significant single-nucleotide polymorphisms on chromosomes 24, 10 and 31, implicating candidate genes linked to cartilage homeostasis and adipogenesis. These findings refine the genetic architecture of CHD and open avenues for molecular screening tools. Ongoing research is expanding these approaches to explore gene–environment interactions and validate functional effects of identified loci, laying the groundwork for personalised risk prediction and potential gene-editing applications.

Canine Hip Dysplasia Evaluation and Management publication trend

The graph below shows the total number of articles in canine hip dysplasia evaluation and management across all publications each year (not limited to Nature Index journals).

Technical terms

Genome-wide association study (GWAS): A method for scanning the genome to identify genetic variants linked to complex traits by comparing affected and unaffected populations.

Femoral neck thickness index (FNTi): A quantitative metric derived from radiographs to assess the relative thickness of the femoral neck, serving as an indicator of dysplasia.

Norberg angle: An angular measurement on ventrodorsal hip radiographs that evaluates acetabular coverage of the femoral head to gauge joint congruity.

Subluxation: Partial displacement of the femoral head from the acetabulum, representing early-stage laxity in hip dysplasia.

References

1. Genome wide association study in Swedish Labrador retrievers identifies genetic loci associated with hip dysplasia and body weight. Scientific Reports (2024).
2. Deep learning-based automated assessment of canine hip dysplasia. Multimedia Tools and Applications (2024).
3. Novel protective and risk loci in hip dysplasia in German Shepherds. PLOS Genetics (2019).
4. Swedish Experiences From 60 Years of Screening and Breeding Programs for Hip Dysplasia—Research, Success, and Challenges. Frontiers in Veterinary Science (2020).
5. Genetic improvement of hip-extended scores in 3 breeds of guide dogs using estimated breeding values: Notable progress but more improvement is needed. PLOS ONE (2019).