Occasionally seen: PDA, deafness, cerebellar abiotrophy (Rough)
Minor concerns: Distichiasis, pyotraumatic dermatitis
Major concerns: CEA
Suggested tests: Eye, (cardiac), (hearing)
Life Span: 8 – 12 years
Avg Size of Female: Height: 22 – 24 inches, Weight: 60 – 65 pounds
Avg Size of Male: Height: 24 – 26 inches, Weight: 60 – 75 pounds
Note: Often sensitive to ivermectin. Merles should not be bred to merles because homozygous merle is lethal or detrimental to health.