Giant Schnauzer: inherited diseases and health
The inherited conditions below have been documented in this breed in published research. That does not mean your dog has them or will get them – but it helps to know the names when you talk to a breeder or a vet.
Giant Schnauzer and chocolate: how much is dangerous?
Typical adult weight: 35–47 kg. Grams of chocolate at which signs can start (20 mg/kg) and at which severe signs are reported (40 mg/kg):
| Dog weight | Milk | Dark 70–85% | Baking / unsweetened |
|---|---|---|---|
| 35 kg | 350 g signs 700 g severe | 88 g signs 175 g severe | 50 g signs 100 g severe |
| 47 kg | 470 g signs 940 g severe | 118 g signs 235 g severe | 67 g signs 134 g severe |
Based on published doses: signs from about 20 mg/kg, severe signs from 40 mg/kg (US FDA, Cortinovis & Caloni 2016, Swedish Poison Information Centre). An estimate, not a diagnosis.
Inherited conditions documented in the breed
Conditions documented: 9
A gene variant is known for 8 of the conditions below, so a DNA test may exist. Ask your vet or the breed club.
| Condition | Body system | Inheritance | Gene variant known |
|---|---|---|---|
| Cardiomyopathy, dilated, RBM20-related[1] | Cardiovascular system | Autosomal recessive | Yes |
| Factor VII deficiency[1] | Haematopoietic system | Autosomal recessive | Yes |
| Hypothyroidism[2] | – | – | – |
| Hypothyroidism, congenital[1] | Endocrine / exocrine gland (incl mammary gland) | Autosomal recessive | Yes |
| Intestinal cobalamin malabsorption, AMN-related[1] | Haematopoietic system | Autosomal recessive | Yes |
| Narcolepsy[1] | Behaviour / neurological | Autosomal recessive | Yes |
| Retinal atrophy, progressive, NECAP1-related[1] | Vision / eye | Autosomal recessive | Yes |
| Squamous cell carcinoma of the digit[1] | Neoplasm | Multifactorial | Yes |
| Urolithiasis[1] | Renal / urinary system | Autosomal recessive | Yes |
What this list means
- “Documented in the breed” means at least one published case or study – it says nothing about how common the condition is.
- Many of these conditions are rare. A responsible breeder can tell you which health tests the parents have had.
- Where the gene variant is known, a DNA test may exist – ask your vet or the breed club.
- If your pet shows signs of illness, contact your vet. This page cannot tell you whether your pet is ill.
About the breed
- Origin
- Germany
- Height
- 60–70 cm
- Weight
- 35–47 kg
- FCI number
- 181
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Sources
How this page was made: the list is taken directly from the sources below; nothing on it was written by AI. Names of conditions may be machine-translated. It is information, not a diagnosis. How we write our pages