{"topic_id":"companion_breed_health_dachshund_congenital_idiopathic_megaesophagus_dog","category":"companion-breed-health","context":"---\nlicense: permission_granted\ntopic_id: companion_breed_health_dachshund_congenital_idiopathic_megaesophagus_dog\ncategory: companion-breed-health\ntitle: \"Dachshund — Congenital idiopathic megaesophagus (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/dachshund_congenital_idiopathic_megaesophagus_1211.txt\ndate_parsed: 2026-08-02\ntokens_estimated: 99\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_dachshund_congenital_idiopathic_megaesophagus_dog/01_companion_breed_health_dachshund_congenital_idiopathic_megaesophagus_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: \"Dachshund — Congenital idiopathic megaesophagus (hereditary; OMIA-verified breed predisposition)\"\n  url: \"https://omia.org/OMIA000631/9615/\"\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# Dachshund — Congenital idiopathic megaesophagus (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: Dachshund (Dog)`\n- `Disorder: Congenital idiopathic megaesophagus`\n- `Summary: For detailed information on megaoesophagus in German Shepherd dogs due to variants in the MCHR2 gene see 'a href=../../../../../../OMIA002716/9615/OMIA:002716-9615/a : Megaoesophagus, MCHR2-related in Canis lupus familiaris'`\n- `Defect: yes`\n## Evidence (references)\nDerived from OMIA database dump (omia.xml, local); structured field, not verbatim prose.\n- 1957. Regurgitation in pups. II. Megaesophagus in a pup. Journal of the American Veterinary Medical Association — PubMed:PMID13416103 — OMIA Phene_Article / Article\n- 1990. Congenital idiopathic megaesophagus in a litter of Chinese Shar-Peis - Clinical, electrodiagnostic, and pathological findings.. Journal of the American Animal Hospital Association — OMIA Phene_Article / Article\n- 1993. Oesophageal compliance in naturally occurring canine  megaoesophagus.. Aust Vet J — PubMed:PMID8280024 | DOI:10.1111/j.1751-0813.1993.tb06079.x — OMIA Phene_Article / Article\n- 1994. Megaesophagus and hypomotility associated with esophageal  leiomyoma in a dog.. Journal of the American Animal Hospital Association — OMIA Phene_Article / Article\n- 1993. Megaoesophagus in the dog and cat.. Recueil de Medecine Veterinaire — OMIA Phene_Article / Article\n- 1994. Antibodies to nicotinic acetylcholine receptors in dogs with  megaoesophagus.. Aust Vet J — PubMed:PMID7945104 | DOI:10.1111/j.1751-0813.1994.tb03408.x — OMIA Phene_Article / Article\n- 1994. A clinical survey of megaesophagus in the dog.. Indian Veterinary Journal — OMIA Phene_Article / Article\n- 1995. Megaoesophagus and glucocorticoid-deficient  hypoadrenocorticism in a dog. Journal of Small Animal Practice — PubMed:PMID7783439 — OMIA Phene_Article / Article\n- 1996. Vagal esophagomotor nerve function and esophageal motor performance in dogs with congenital idiopathic megaesophagus. American Journal of Veterinary Research — PubMed:PMID8725822 — OMIA Phene_Article / Article\n- 1997. Canine and feline megaesophagus. Compendium on Continuing Education for the Practicing Veterinarian — OMIA Phene_Article / Article\n- 1997. Surgical and postoperative management of canine megaesophagus [German]. Kleintierpraxis — OMIA Phene_Article / Article\n- 1997. Megaesophagus in the dog - a bibliographic review and a new classification proposal [Review] [Spanish]. Archivos de Medicina Veterinaria — OMIA Phene_Article / Article\n- (21 additional references in OMIA)\n## Evidence (references)\nDerived from OMIA database dump (omia.xml, local); structured field, not verbatim prose.\n- 1957. Regurgitation in pups. II. Megaesophagus in a pup. Journal of the American Veterinary Medical Association — PubMed:PMID13416103 — OMIA Phene_Article / Article\n- 1990. Congenital idiopathic megaesophagus in a litter of Chinese Shar-Peis - Clinical, electrodiagnostic, and pathological findings. Journal of the American Animal Hospital Association — OMIA Phene_Article / Article\n- 1993. Oesophageal compliance in naturally occurring canine  megaoesophagus. Aust Vet J — PubMed:PMID8280024 | DOI:10.1111/j.1751-0813.1993.tb06079.x — OMIA Phene_Article / Article\n- 1994. Megaesophagus and hypomotility associated with esophageal  leiomyoma in a dog. Journal of the American Animal Hospital Association — OMIA Phene_Article / Article\n- 1993. Megaoesophagus in the dog and cat. Recueil de Medecine Veterinaire — OMIA Phene_Article / Article\n- 1994. Antibodies to nicotinic acetylcholine receptors in dogs with  megaoesophagus. Aust Vet J — PubMed:PMID7945104 | DOI:10.1111/j.1751-0813.1994.tb03408.x — OMIA Phene_Article / Article\n- 1994. A clinical survey of megaesophagus in the dog. Indian Veterinary Journal — OMIA Phene_Article / Article\n- 1995. Megaoesophagus and glucocorticoid-deficient  hypoadrenocorticism in a dog. Journal of Small Animal Practice — PubMed:PMID7783439 — OMIA Phene_Article / Article\n- 1996. Vagal esophagomotor nerve function and esophageal motor performance in dogs with congenital idiopathic megaesophagus. American Journal of Veterinary Research — PubMed:PMID8725822 — OMIA Phene_Article / Article\n- 1997. Canine and feline megaesophagus. Compendium on Continuing Education for the Practicing Veterinarian — OMIA Phene_Article / Article\n- 1997. Surgical and postoperative management of canine megaesophagus [German]. Kleintierpraxis — OMIA Phene_Article / Article\n- 1997. Megaesophagus in the dog - a bibliographic review and a new classification proposal [Review] [Spanish]. Archivos de Medicina Veterinaria — OMIA Phene_Article / Article\n- (21 additional references in OMIA)\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- 1957. Regurgitation in pups. II. Megaesophagus in a pup. Journal of the American Veterinary Medical Association — PubMed:PMID13416103 — OMIA Phene_Article / Article\n- 1990. Congenital idiopathic megaesophagus in a litter of Chinese Shar-Peis - Clinical, electrodiagnostic, and pathological findings. Journal of the American Animal Hospital Association — OMIA Phene_Article / Article\n- 1993. Oesophageal compliance in naturally occurring canine  megaoesophagus. Aust Vet J — PubMed:PMID8280024 | DOI:10.1111/j.1751-0813.1993.tb06079.x — OMIA Phene_Article / Article\n- 1994. Megaesophagus and hypomotility associated with esophageal  leiomyoma in a dog. Journal of the American Animal Hospital Association — OMIA Phene_Article / Article\n- 1993. Megaoesophagus in the dog and cat. Recueil de Medecine Veterinaire — OMIA Phene_Article / Article\n- 1994. Antibodies to nicotinic acetylcholine receptors in dogs with  megaoesophagus. Aust Vet J — PubMed:PMID7945104 | DOI:10.1111/j.1751-0813.1994.tb03408.x — OMIA Phene_Article / Article\n- 1994. A clinical survey of megaesophagus in the dog. Indian Veterinary Journal — OMIA Phene_Article / Article\n- 1995. Megaoesophagus and glucocorticoid-deficient  hypoadrenocorticism in a dog. Journal of Small Animal Practice — PubMed:PMID7783439 — OMIA Phene_Article / Article\n- 1996. Vagal esophagomotor nerve function and esophageal motor performance in dogs with congenital idiopathic megaesophagus. American Journal of Veterinary Research — PubMed:PMID8725822 — OMIA Phene_Article / Article\n- 1997. Canine and feline megaesophagus. Compendium on Continuing Education for the Practicing Veterinarian — OMIA Phene_Article / Article\n- 1997. Surgical and postoperative management of canine megaesophagus [German]. Kleintierpraxis — OMIA Phene_Article / Article\n- 1997. Megaesophagus in the dog - a bibliographic review and a new classification proposal [Review] [Spanish]. Archivos de Medicina Veterinaria — OMIA Phene_Article / Article\n- (21 additional references in OMIA)\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- 1957. Regurgitation in pups. II. Megaesophagus in a pup. Journal of the American Veterinary Medical Association — PubMed:PMID13416103 — OMIA Phene_Article / Article\n- 1990. Congenital idiopathic megaesophagus in a litter of Chinese Shar-Peis - Clinical, electrodiagnostic, and pathological findings. Journal of the American Animal Hospital Association — OMIA Phene_Article / Article\n- 1993. Oesophageal compliance in naturally occurring canine  megaoesophagus. Aust Vet J — PubMed:PMID8280024 | DOI:10.1111/j.1751-0813.1993.tb06079.x — OMIA Phene_Article / Article\n- 1994. Megaesophagus and hypomotility associated with esophageal  leiomyoma in a dog. Journal of the American Animal Hospital Association — OMIA Phene_Article / Article\n- 1993. Megaoesophagus in the dog and cat. Recueil de Medecine Veterinaire — OMIA Phene_Article / Article\n- 1994. Antibodies to nicotinic acetylcholine receptors in dogs with  megaoesophagus. Aust Vet J — PubMed:PMID7945104 | DOI:10.1111/j.1751-0813.1994.tb03408.x — OMIA Phene_Article / Article\n- 1994. A clinical survey of megaesophagus in the dog. Indian Veterinary Journal — OMIA Phene_Article / Article\n- 1995. Megaoesophagus and glucocorticoid-deficient  hypoadrenocorticism in a dog. Journal of Small Animal Practice — PubMed:PMID7783439 — OMIA Phene_Article / Article\n- 1996. Vagal esophagomotor nerve function and esophageal motor performance in dogs with congenital idiopathic megaesophagus. American Journal of Veterinary Research — PubMed:PMID8725822 — OMIA Phene_Article / Article\n- 1997. Canine and feline megaesophagus. Compendium on Continuing Education for the Practicing Veterinarian — OMIA Phene_Article / Article\n- 1997. Surgical and postoperative management of canine megaesophagus [German]. Kleintierpraxis — OMIA Phene_Article / Article\n- 1997. Megaesophagus in the dog - a bibliographic review and a new classification proposal [Review] [Spanish]. Archivos de Medicina Veterinaria — OMIA Phene_Article / Article\n- (21 additional references in OMIA)\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- 1957. Regurgitation in pups. II. Megaesophagus in a pup. Journal of the American Veterinary Medical Association — PubMed:PMID13416103 — OMIA Phene_Article / Article\n- 1990. Congenital idiopathic megaesophagus in a litter of Chinese Shar-Peis - Clinical, electrodiagnostic, and pathological findings. Journal of the American Animal Hospital Association — OMIA Phene_Article / Article\n- 1993. Oesophageal compliance in naturally occurring canine  megaoesophagus. Aust Vet J — PubMed:PMID8280024 | DOI:10.1111/j.1751-0813.1993.tb06079.x — OMIA Phene_Article / Article\n- 1994. Megaesophagus and hypomotility associated with esophageal  leiomyoma in a dog. Journal of the American Animal Hospital Association — OMIA Phene_Article / Article\n- 1993. Megaoesophagus in the dog and cat. Recueil de Medecine Veterinaire — OMIA Phene_Article / Article\n- 1994. Antibodies to nicotinic acetylcholine receptors in dogs with  megaoesophagus. Aust Vet J — PubMed:PMID7945104 | DOI:10.1111/j.1751-0813.1994.tb03408.x — OMIA Phene_Article / Article\n- 1994. A clinical survey of megaesophagus in the dog. Indian Veterinary Journal — OMIA Phene_Article / Article\n- 1995. Megaoesophagus and glucocorticoid-deficient  hypoadrenocorticism in a dog. Journal of Small Animal Practice — PubMed:PMID7783439 — OMIA Phene_Article / Article\n- 1996. Vagal esophagomotor nerve function and esophageal motor performance in dogs with congenital idiopathic megaesophagus. American Journal of Veterinary Research — PubMed:PMID8725822 — OMIA Phene_Article / Article\n- 1997. Canine and feline megaesophagus. Compendium on Continuing Education for the Practicing Veterinarian — OMIA Phene_Article / Article\n- 1997. Surgical and postoperative management of canine megaesophagus [German]. Kleintierpraxis — OMIA Phene_Article / Article\n- 1997. Megaesophagus in the dog - a bibliographic review and a new classification proposal [Review] [Spanish]. Archivos de Medicina Veterinaria — OMIA Phene_Article / Article\n- (21 additional references in OMIA)\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 — Dachshund — Congenital idiopathic megaesophagus (hereditary; OMIA-verified breed predisposition)"],"source":{"authority":"companion-breed-health","title":"Dachshund — Congenital idiopathic megaesophagus (hereditary; OMIA-verified breed predisposition)","url":"https://pubmed.ncbi.nlm.nih.gov/13416103/","retrieved":"","ref":"PMID 13416103","doc_type":"official source","source_document":"","verification_file":""},"source_document":"","source_file":"","trust":{"authority_tier":"ungraded","fidelity":"verbatim","license":null,"display_grade":"pending"},"tokens_estimated":2302,"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."}