Old English Sheepdog – Disease Predisposition

OLD ENGLISH SHEEPDOG

OLD ENGLISH SHEEPDOG

Cardiovascular conditions

Dilated cardiomyopathy
  • Believed to be familial or genetic
Persistent atrial standstill
Tricuspid dysplasia
  • Congenital

Dermatological conditions

Pododemodicosis
Primary lymphoedema
Melanotrichia
Vitiligo
  • Presumed to be hereditary

Drug reactions

Ivermectin and milbemycin
  • High doses can cause tremors, ataxia, coma and death

Endocrine conditions

Hypothyroidism

Haematological/immunological conditions

Immune-mediated haemolytic anaemia
  • Common disease
Immune-mediated thrombocytopenia
  • Common
  • Inheritance likely
Haemophilia B
  • Also known as Christmas disease

Musculoskeletal conditions

Congenital elbow luxation
Sacrocaudal dysgenesis
  • Congenital
Hip dysplasia
  • Ninth worst mean-scoring breed in the BVA/KC Hip Dysplasia Scheme as of October 2001

Neoplastic conditions

Sweat gland tumour
Pilomatrixoma
  • Possible breed predisposition
Keratoacanthoma
  • This breed is predisposed to the generalised form of the disease
Nasal cavity tumours
  • Reported to be at increased risk for nasal carcinoma
  • Dogs in urban areas may be at increased risk

Neurological conditions

Congenital deafness
Primary brain tumours
  • Higher incidence noted in this breed by some authors
Sacrocaudal dysgenesis
  • Congenital

Ocular conditions

Microcornea
  • Congenital
Cataract
Congenital hereditary cataract
  • Inheritance suspected
Generalised progressive retinal atrophy (GPRA)
Micropapilla
  • Congenital condition
Optic nerve hypoplasia
  • Congenital condition
Multiple ocular defects
  • Congenital

Renal and urinary conditions

Urethral sphincter mechanism incompetence (causing urinary incontinence)
  • Possible breed predisposition in female dogs
Silica urolithiasis
  • Higher incidence reported in this breed in some surveys

Reproductive conditions

Cryptorchidism
  • Believed to be a breed at increased risk of the condition

Respiratory conditions

Primary ciliary dyskinesia

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