Dogo Argentino

The Dogo Argentino is a large white Argentine molosser, deliberately created in the 1920s as a pack-hunting and catch dog for big game — wild boar, peccary, and puma. It is not a livestock guardian dog. No primary source classifies it as a traditional flock-bonding guardian; its documented secondary roles are property and family guarding and companionship. Its white coat, powerful build, and rural Argentine background cause it to be confused with guardian breeds such as the Great Pyrenees, but its working history, temperament, and registry classification are categorically different. It is banned or severely restricted under breed-specific legislation in several countries, so check local law before acquiring one.

I History & origins Documented

The Dogo Argentino is a modern, standardized breed, deliberately developed in the 1920s by Dr. Antonio Nores Martínez in Córdoba, Argentina. It descends from the now-extinct Córdoba Fighting Dog (Viejo Perro de Pelea Cordobés), crossed with several purpose-selected breeds to build a capable big-game hunting dog. Breed histories credit stock such as the Great Pyrenees or the Pyrenean Mastiff with contributing its white coat and calmer temperament, though sources disagree on which. As a short-coated mastiff-type catch dog it sits within the broad molosser lineage of large-game catch dogs historically associated with the Alaunt type.³ It was formally recognised by the Federación Cinológica Argentina in 1964 and by the FCI in 1973 as Argentina's first and only internationally recognised breed, placed in Group 2 (Molossian / Mastiff type) with the utilisation designation of big-game hunting dog.²

II Physical & conformation

Recorded coat is Short, white. A full physical profile — coat structure and care, climate tolerance, skeletal conformation and sexual dimorphism — is not yet collected for this breed.

III Working role Documented

The breed's primary and documented function is big-game hunting and catch work — taking large, dangerous quarry such as wild boar, peccary, and puma as part of a hunting pack. Its secondary documented functions are guarding property and family and serving as a companion. In rural Argentina it is associated with farm and ranch guarding, but this role has not been studied separately from its hunting and companion roles, and — crucially — it does not bond to and live among a flock the way a livestock guardian dog does. The breed is also reported in police, military, search-and-rescue, and service-dog work, though these uses are not independently documented by study. Because of its strong prey drive and territorial nature, it needs extensive socialisation, training, and responsible handling.

IV Behavioral profile Qualitative

The Dogo Argentino has no formal behavioral study; the assessments below are qualitative, drawn from the FCI breed standard and breed descriptions rather than measured scores.² What is consistently documented is a strong prey drive and a territorial nature paired with an explicit absence of flock-bonding behavior — the breed lives and works as a hunter, not among stock. It is repeatedly described as unsuited to first-time owners. Traits without a documented assessment are shown as gaps rather than guessed.

V Health Peer-reviewed

Unlike its working behavior, one Dogo Argentino health issue is well documented by peer-reviewed research:

• Congenital sensorineural deafness (CSD) is the breed's best-documented health problem. In a BAER-tested population, about 25.77% of Dogo Argentinos were affected — roughly 20.35% in one ear and 5.43% in both.¹ The deafness is tied to the pigmentation genetics behind the white coat, and dogs lacking a coloured head patch show higher rates. Both the FCI and UKC standards treat deafness as a disqualifying fault, and BAER testing is considered essential for responsible breeding.
• Sun-related skin disease. As a white, lightly pigmented, short-haired dog it is at risk for actinic (sun-damage) dermatitis and sun-associated skin cancers such as squamous cell carcinoma.
• Large-breed risks. As with other large breeds, it can face hip and elbow dysplasia, bloat (gastric dilatation-volvulus, GDV), and cardiac disease — no Dogo-specific study was found for these.
• Thyroid disease. Autoimmune thyroid disease and hypothyroidism are reported concerns (breed-club and anecdotal); thyroid screening is recommended.

The reported lifespan range is about 9 to 15 years, drawn from breed-reference sources rather than any epidemiological study of the breed.

VII Related & compared breeds Documented

The Dogo is most often confused with — and partly descended from — large white molossers. Breed histories credit Pyrenean stock with its white coat, while its everyday confusion is with unrelated white livestock-guardian breeds.

IX Setting the record straight