Giant Schnauzer

Pinschers & molossoids
Large
Median 12.1 y
FCI group 2 · Pinscher and Schnauzer, Molossoid and Swiss Mountain Dogs · Derived from the adult weight midpoint (41 kg)
Median survival across 495 UK dogs (VetCompass, McMillan 2024) · half live 9–14 y
The Giant Schnauzer or Riesenschnauzer is a German breed of dog of Schnauzer type. It is larger than the other two Schnauzer breeds, the Standard Schnauzer and the Miniature Schnauzer.
Loyal
Alert
Trainable
Summary from Wikipedia (CC BY-SA) · reference ranges from the Kintail breed dataset

Adult weight

Reference
Male
35–47 kg
Female
35–47 kg
0
20
40
60
The breed standard (FCI 181)

Weight for age

Stock data
Male
Female
Expected range
02040602m3m4m6m9m12m18m
Expected range from the breed's own adult weight, kilograms. Growth reference: Hawthorne et al. 2004, WALTHAM (five giant-breed fits, n=35).

Heat cycles · females

Stock data
First heat
8–12 mo
typical
Interval
180 d
typical
Bleeding
~9 d
typical
Proestrus 9d
Estrus 9d
Diestrus 52d
Anestrus 110d
General figures for dogs, not for this breed — individual cycles vary widely.

Questions people ask

Adult males usually weigh 35–47 kg and females 35–47 kg. Most are close to their full size by around 13 months, though the last little bit of filling out takes longer. Growth reference: Hawthorne et al. 2004, WALTHAM (five giant-breed fits, n=35).
No Giant Schnauzer cycle figures are published here yet, so this is general guidance rather than a breed number: most females have a first season somewhere between six and fifteen months, and cycles then settle to roughly every 180 days. Smaller breeds tend to start earlier and larger ones later.
The median is 12.1 y. Median survival across 495 UK dogs (VetCompass, McMillan 2024) · half live 9–14 y. How the later years go comes down to weight, teeth, exercise and regular check-ups far more than to the breed.

Nearby breeds

Breeds in the same group — FCI group 2 · Pinscher and Schnauzer, Molossoid and Swiss Mountain Dogs.

Sources

Reference
Adult weight
The breed standard (FCI 181)
Height at the withers
Not from a published standard — a general reference figure
Size class
Derived from the adult weight midpoint (41 kg)
Breed group
FCI group 2 · Pinscher and Schnauzer, Molossoid and Swiss Mountain Dogs
Lifespan
Median survival across 495 UK dogs (VetCompass, McMillan 2024) · half live 9–14 y
Weight for age
Growth reference: Hawthorne et al. 2004, WALTHAM (five giant-breed fits, n=35)
Temperament
Kintail editorial — a description, not a sourced fact
FCI standard
FCI nomenclature, standard 181
Origin
Wikidata (CC0)
Uncited on this page: Height at the withers — no reviewed source yet, so it is a general reference figure rather than a published one.
Reference figures are static breed data and are shown for every breed. Community aggregates appear as owners log.
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