Bouvier des Flandres

Sheepdogs & cattledogs

Large

Median 11.3 y

FCI group 1 · Sheepdogs and Cattledogs (except Swiss Cattledogs) · Derived from the adult weight midpoint (34.3 kg)

Median survival across 230 UK dogs (VetCompass, McMillan 2024) · half live 8–13 y

The Bouvier des Flandres is a herding dog breed originating in Flanders, Belgium. They were originally used for general farm work including cattle droving, sheep herding, and cart pulling, and nowadays as guard dogs and police dogs, as well as being kept as pets.

Affectionate

Courageous

Strong

Summary from Wikipedia (CC BY-SA) · reference ranges from the Kintail breed dataset

Adult weight

Reference

Male

35–40 kg

Female

27–35 kg

The breed standard (FCI 191)

Weight for age

Stock data

Male

Female

Expected range

Expected range from the breed's own adult weight, kilograms. Growth reference: Salt et al. 2017, WALTHAM (30–40 kg band).

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 35–40 kg and females 27–35 kg. Most are close to their full size by around 16 months, though the last little bit of filling out takes longer. Growth reference: Salt et al. 2017, WALTHAM (30–40 kg band).

No Bouvier des Flandres 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 11.3 y. Median survival across 230 UK dogs (VetCompass, McMillan 2024) · half live 8–13 y. How the later years go comes down to weight, teeth, exercise and regular check-ups far more than to the breed.