Collies (Rough and Smooth) – Disease Predisposition
COLLIES (ROUGH AND SMOOTH)
- Cutaneous histiocytosis
- Superficial bacterial folliculitis
- Muzzle folliculitis/furunculosis
- Malassezia dermatitis
- Protothecosis
- Food hypersensitivity
- Pemphigus erythematosus
- Discoid lupus erythematosus
- Idiopathic ulcerative dermatosis in Shetland Sheepdogs and Collies
- Vitiligo
- Waardenburg-Klein syndrome
- Idiopathic sterile granuloma andpyogranuloma
- Drug reactions – Ivermectin and milbemycin – High doses can cause tremors, ataxia, coma and death
- Gastric neoplasia (Rough Collies)
- Lymphocytic-plasmacytic colitis (Rough Collies)
- Pancreatic acinar atrophy (causing exocrine pancreatic insufficiency)
- Canine cyclic neutropaenia
- Immune-mediated haemolytic anaemia
- Systemic lupus erythematosus
- Aspergillosis
- Carpal ligament weakening
- Carpal soft tissue injuries
- Congenital elbow luxation
- Calcaneoquartal subluxation due to plantar tarsal ligament rupture
- Sweat gland tumour
- Benign fibrous histiocytoma
- Haemangiopericytoma
- Keratoacanthoma
- Nasal cavity tumours
- Colorectal neoplasia
- Congenital bilateral vestibular disease
- Congenital deafness
- Cerebellar degeneration (seen in Rough Collies in Australia)
- Neuroaxonal dystrophy
- Micropalpebral fissure
- Entropion (usually lower lids, may be associated with micropalpebral fissure)
- Distichiasis (Rough Collies)
- Medial canthal pocket syndrome – Breed predisposition resulting from head shape
- Nodular Episclerokeratitis
- Microcornea
- Congenital, sub-epithelial, geographic corneal dystrophy
- Corneal dystrophy (Rough Collies)
- Cataract
- Collie eye anomaly - High incidence in this breed throughout the world (50–90% has been reported)
- Multifocal retinal dysplasia
- Generalised progressive retinal atrophy (GPRA)
- Central progressive retinal atrophy (CPRA) or retinal pigment epithelial dystrophy (RPED) – becoming less prevalent after the introduction of control schemes
- Optic nerve hypoplasia
- Optic nerve colobomas (the result of merle to merle breeding)
- Ectopic ureters
- Urethral sphincter mechanism incompetence (causing urinary incontinence)
- Penile hypoplasia
- Aspergillosis