{"topic_id":"companion_breed_health_briard_omia1344_dog","category":"companion-breed-health","context":"---\nlicense: permission_granted\ntopic_id: companion_breed_health_briard_omia1344_dog\ncategory: companion-breed-health\ntitle: \"Briard — Day blindness (hereditary; OMIA-verified breed predisposition)\"\nlang: en\nsource: \"OMIA (Online Mendelian Inheritance in Animals, University of Sydney) breed-specific hereditary-disorder record, saved verbatim to source_file; C1 substring-verified. Pulled 2026-08-02 from local OMIA database dump.\"\nsource_file: pdf-raw/breed-health/briard_omia1344_1344.txt\ndate_parsed: 2026-08-02\ntokens_estimated: 1656\nverification:\n  method: substring_match\n  claims: 4\n  passed: 4\n  date: 2026-08-02\nrecovered: false\npath: companion-breed-health/companion_breed_health_briard_omia1344_dog/01_companion_breed_health_briard_omia1344_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: \"Briard — Day blindness (hereditary; OMIA-verified breed predisposition)\"\n  url: \"https://omia.org/OMIA000726/9615/\"\n  retrieved: \"2026-08-02\"\n  ref: \"OMIA breed-specific hereditary-disorder records (omia.org), derived from local OMIA database dump; dataset: https://doi.org/10.25910/2AMR-PV70\"\n  doc_type: \"academic animal-genetics database (breed-specific disorder entries)\"\n  needs_review: false\n---\n\n# Briard — Day blindness (hereditary; OMIA-verified breed predisposition)\n\nSource: first-hand OMIA (University of Sydney) breed-specific hereditary-disorder record, saved verbatim to `source_file`; every claim below is a C1 byte-substring of it.\n\n## Claims\n\n- `Breed: Briard (Dog)`\n- `Disorder: `\n- `Summary: References relating to hemeralopia in Alsakan Malamutes have been moved to 'OMIA 001365-9615 : Achromatopsia-3, CNGB3-related in Canis lupus familiaris' [20/10/2022]`\n- `Defect: yes`\n## Evidence (references)\nDerived from OMIA database dump (omia.xml, local); structured field, not verbatim prose.\n- 1992. Changes in the DC electroretinogram in Briard dogs with hereditary congenital night blindness and partial day blindness.. Exp Eye Res — PubMed:PMID1559557 | DOI:10.1016/s0014-4835(05)80218-0 — OMIA Phene_Article / Article\n- 1992. Ultrastructural changes of the retina and the retinal pigment epithelium in Briard dogs with hereditary congenital night blindness and partial day blindness.. Exp Eye Res — PubMed:PMID1486939 | DOI:10.1016/0014-4835(92)90007-f — OMIA Phene_Article / Article\n- 1994. Rod dysplasia and early retinal degeneration in a Briard Shepherd Pup: Clinical, histological, and ultrastructural study: A case report and literature review. Revue de Medecine Veterinaire — OMIA Phene_Article / Article\n- 1995. Rod dysplasia and early retinal degeneration in a young  Briard Sheepdog. Veterinary Quarterly — OMIA Phene_Article / Article\n## Evidence (references)\nDerived from OMIA database dump (omia.xml, local); structured field, not verbatim prose.\n- 1992. Changes in the DC electroretinogram in Briard dogs with hereditary congenital night blindness and partial day blindness. Exp Eye Res — PubMed:PMID1559557 | DOI:10.1016/s0014-4835(05)80218-0 — OMIA Phene_Article / Article\n- 1992. Ultrastructural changes of the retina and the retinal pigment epithelium in Briard dogs with hereditary congenital night blindness and partial day blindness. Exp Eye Res — PubMed:PMID1486939 | DOI:10.1016/0014-4835(92)90007-f — OMIA Phene_Article / Article\n- 1994. Rod dysplasia and early retinal degeneration in a Briard Shepherd Pup: Clinical, histological, and ultrastructural study: A case report and literature review. Revue de Medecine Veterinaire — OMIA Phene_Article / Article\n- 1995. Rod dysplasia and early retinal degeneration in a young  Briard Sheepdog. Veterinary Quarterly — OMIA Phene_Article / Article\n## Evidence (references)\nDerived from OMIA database dump (omia.xml, local); structured field, not verbatim prose. First-hand values below are verbatim substrings of the topic's pdf-raw/omia/<phene_id>.txt source file.\n- 1992. Changes in the DC electroretinogram in Briard dogs with hereditary congenital night blindness and partial day blindness. Exp Eye Res — PubMed:PMID1559557 | DOI:10.1016/s0014-4835(05)80218-0 — OMIA Phene_Article / Article\n- 1992. Ultrastructural changes of the retina and the retinal pigment epithelium in Briard dogs with hereditary congenital night blindness and partial day blindness. Exp Eye Res — PubMed:PMID1486939 | DOI:10.1016/0014-4835(92)90007-f — OMIA Phene_Article / Article\n- 1994. Rod dysplasia and early retinal degeneration in a Briard Shepherd Pup: Clinical, histological, and ultrastructural study: A case report and literature review. Revue de Medecine Veterinaire — OMIA Phene_Article / Article\n- 1995. Rod dysplasia and early retinal degeneration in a young  Briard Sheepdog. Veterinary Quarterly — OMIA Phene_Article / Article\nverification_derived:\n  method: derived_from_dataset\n  source: \"OMIA database dump (omia.xml, local); fields Gene/Variant/Article/OMIM\"\n  note: \"Structured fields (gene, variant rsID/protein change, PubMed/DOI references, OMIM cross-link) extracted from OMIA dump and presented with first-hand values; not verbatim prose.\"\n## Evidence (references)\nDerived from OMIA database dump (omia.xml, local); structured field, not verbatim prose. First-hand values below are verbatim substrings of the topic's pdf-raw/omia/<phene_id>.txt source file.\n- 1992. Changes in the DC electroretinogram in Briard dogs with hereditary congenital night blindness and partial day blindness. Exp Eye Res — PubMed:PMID1559557 | DOI:10.1016/s0014-4835(05)80218-0 — OMIA Phene_Article / Article\n- 1992. Ultrastructural changes of the retina and the retinal pigment epithelium in Briard dogs with hereditary congenital night blindness and partial day blindness. Exp Eye Res — PubMed:PMID1486939 | DOI:10.1016/0014-4835(92)90007-f — OMIA Phene_Article / Article\n- 1994. Rod dysplasia and early retinal degeneration in a Briard Shepherd Pup: Clinical, histological, and ultrastructural study: A case report and literature review. Revue de Medecine Veterinaire — OMIA Phene_Article / Article\n- 1995. Rod dysplasia and early retinal degeneration in a young  Briard Sheepdog. Veterinary Quarterly — OMIA Phene_Article / Article\nverification_derived:\n  method: derived_from_dataset\n  source: \"OMIA database dump (omia.xml, local); fields Gene/Variant/Article/OMIM\"\n  note: \"Structured fields (gene, variant rsID/protein change, PubMed/DOI references, OMIM cross-link) extracted from OMIA dump and presented with first-hand values; not verbatim prose.\"\n## Evidence (references)\nDerived from OMIA database dump (omia.xml, local); structured field, not verbatim prose. First-hand values below are verbatim substrings of the topic's pdf-raw/omia/<phene_id>.txt source file.\n- 1992. Changes in the DC electroretinogram in Briard dogs with hereditary congenital night blindness and partial day blindness. Exp Eye Res — PubMed:PMID1559557 | DOI:10.1016/s0014-4835(05)80218-0 — OMIA Phene_Article / Article\n- 1992. Ultrastructural changes of the retina and the retinal pigment epithelium in Briard dogs with hereditary congenital night blindness and partial day blindness. Exp Eye Res — PubMed:PMID1486939 | DOI:10.1016/0014-4835(92)90007-f — OMIA Phene_Article / Article\n- 1994. Rod dysplasia and early retinal degeneration in a Briard Shepherd Pup: Clinical, histological, and ultrastructural study: A case report and literature review. Revue de Medecine Veterinaire — OMIA Phene_Article / Article\n- 1995. Rod dysplasia and early retinal degeneration in a young  Briard Sheepdog. Veterinary Quarterly — OMIA Phene_Article / Article\nverification_derived:\n  method: derived_from_dataset\n  source: \"OMIA database dump (omia.xml, local); fields Gene/Variant/Article/OMIM\"\n  note: \"Structured fields (gene, variant rsID/protein change, PubMed/DOI references, OMIM cross-link) extracted from OMIA dump and presented with first-hand values; not verbatim prose.\"\n","sources":["companion-breed-health — Briard — Day blindness (hereditary; OMIA-verified breed predisposition) (retrieved 2026-08-02)"],"source":{"authority":"companion-breed-health","title":"Briard — Day blindness (hereditary; OMIA-verified breed predisposition)","url":"https://pubmed.ncbi.nlm.nih.gov/1559557/","retrieved":"2026-08-02","ref":"PMID 1559557","doc_type":"official PDF","source_document":"OMIA — Online Mendelian Inheritance in Animals (University of Sydney)","verification_file":"pdf-raw/breed-health/briard_omia1344_1344.txt"},"source_document":"OMIA — Online Mendelian Inheritance in Animals (University of Sydney)","source_file":"pdf-raw/breed-health/briard_omia1344_1344.txt","trust":{"authority_tier":"ungraded","fidelity":"verbatim","license":"permission_granted","display_grade":"pending"},"tokens_estimated":1656,"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."}