{"topic_id":"companion_breed_health_labrador_retriever_hip_dysplasia_dog","category":"companion-breed-health","context":"---\nlicense: permission_granted\ntopic_id: companion_breed_health_labrador_retriever_hip_dysplasia_dog\ncategory: companion-breed-health\ntitle: \"Labrador Retriever — Hip Dysplasia (hereditary; OMIA-verified breed predisposition)\"\nlang: en\nsource: \"OMIA canine hip dysplasia entry + Today's Veterinary Nurse 'Nutrition for the Large-Breed Puppy' (2018), saved to source_file; C1 substring-verified. Pulled 2026-08-02.\"\nsource_file: pdf-raw/breed-health/hip_dysplasia_combined.txt\ndate_parsed: 2026-08-02\ntokens_estimated: 501\nverification:\n  method: substring_match\n  claims: 13\n  passed: 13\n  date: 2026-08-02\nrecovered: false\npath: companion-breed-health/companion_breed_health_labrador_retriever_hip_dysplasia_dog/01_companion_breed_health_labrador_retriever_hip_dysplasia_dog.md\nsource_document: \"OMIA — Online Mendelian Inheritance in Animals (University of Sydney)\"\ncitation:\n  authority: \"OMIA — Online Mendelian Inheritance in Animals (University of Sydney)\"\n  title: \"Labrador Retriever — Hip Dysplasia (hereditary; OMIA-verified breed predisposition)\"\n  url: \"https://omia.org/OMIA000473/9615/\"\n  retrieved: \"2026-08-02\"\n  ref: \"OMIA entry pages (omia.org), breed-specific hereditary-disorder records\"\n  doc_type: \"academic animal-genetics database (breed-specific disorder entries)\"\n  needs_review: false\n---\n\n# Labrador Retriever — Hip Dysplasia (hereditary; OMIA-verified breed predisposition)\n\nSource: first-hand OMIA — Online Mendelian Inheritance in Animals (University of Sydney) text, saved to `source_file`; every claim below is a C1 byte-substring of it.\n\n## Claims\n\n- `Laxity of the hip joint, resulting from a shallow acetabulum and/or a small, mis-shapen head of the femur. In severe cases, affected animals are lame.`\n- `Mode of inheritance: Multifactorial`\n- `Species-specific name: Canine hip dysplasia`\n- `REDUCING NUTRITIONASSOCIATED GROWTH COMPLICATIONS Nutrient imbalances and excesses during growth may lead to developmental orthopedic diseases and subsequent development of osteoarthritis in largeand giant-breed dogs (FIGURE 1).`\n- `ENERGY REQUIREMENTS Meal-restricted feeding has been shown to reduce the frequency of developmental orthopedic disease and early osteoarthritis in large- and giant-breed dogs compared to ad lib feeding2 by preventing the maximal rate of growth and therefore reducing mechanical stress to developing joint cartilage.`\n- `Associations among exercise duration, lameness severity, and hip joint range of motion in Labrador Retrievers with hip dysplasia.`\n- `Housing- and exercise-related risk factors associated with the development of hip dysplasia as determined by radiographic evaluation in a prospective cohort of Newfoundlands, Labrador Retrievers, Leonbergers, and Irish Wolfhounds in Norway.`\n- `Evaluation of risk factors for degenerative joint disease associated with hip dysplasia in German Shepherd Dogs, Golden Retrievers, Labrador Retrievers, and Rottweilers`\n- `Quantitative genetics of traits associated with hip dysplasia in a canine pedigree constructed by mating dysplastic Labrador Retrievers with unaffected Greyhounds`\n- `Genome wide analysis indicates genes for basement membrane and cartilage matrix proteins as candidates for hip dysplasia in labrador retrievers.`\n- `Genome wide association study in Swedish Labrador retrievers identifies genetic loci associated with hip dysplasia and body weight.`\n- `Estimation of genetic population variables for six radiographic criteria of hip dysplasia in a colony of Labrador Retrievers`\n- `Retrospective analysis for genetic improvement of hip joints of cohort labrador retrievers in the United States: 1970-2007.`\n","sources":["companion-breed-health — Labrador Retriever — Hip Dysplasia (hereditary; OMIA-verified breed predisposition) (retrieved 2026-08-02)"],"source":{"authority":"companion-breed-health","title":"Labrador Retriever — Hip Dysplasia (hereditary; OMIA-verified breed predisposition)","url":"https://omia.org/OMIA000473/9615/","retrieved":"2026-08-02","ref":"","doc_type":"official PDF","source_document":"OMIA — Online Mendelian Inheritance in Animals (University of Sydney)","verification_file":"pdf-raw/breed-health/hip_dysplasia_combined.txt"},"source_document":"OMIA — Online Mendelian Inheritance in Animals (University of Sydney)","source_file":"pdf-raw/breed-health/hip_dysplasia_combined.txt","trust":{"authority_tier":"ungraded","fidelity":"verbatim","license":"permission_granted","display_grade":"pending"},"tokens_estimated":566,"generated_at":null,"tip":"Use /api/v1/topics to discover more topics. /api/v1/nutrient for precise single-point queries. /api/v1/cross_compare for 2-3 standard comparisons."}