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Stranger Fear

Fearful or wary responses when approached directly by strange or unfamiliar people.

Affected Genes: CD36

Variant(canFam6):
chr18:19980308

General Information: Dogs can fear strangers for several reasons, including lack of socialization, genetics, trauma, and breed temperament. Puppies not exposed to diverse people and environments during their critical socialization period (3-16 weeks) may develop a fear of strangers as they mature, often directed at specific types of individuals like men, women, children, or adults. Genetically, a timid dog can pass on skittish tendencies to its offspring, and dogs generally fearful of strangers may have a genetic predisposition. Trauma can also lead to stranger danger, as dogs might associate people with negative experiences like abuse, pain, or fear; for instance, a dog might fear a new person if they are seen right after a loud door slam. Additionally, certain breeds may naturally exhibit discomfort around strangers due to their inherent temperament.

How to Read Your Dog's Results for this Trait:

Likely More Fearful: Likely fearful or wary responses when approached directly by strange or unfamiliar people

Possibly More Fearful: Possibly fearful or wary responses when approached directly by strange or unfamiliar people

Likely Less Fearful: Unlikely to exhibit fearful or wary responses when approached directly by strange or unfamiliar people

References:
Zapata I, Lilly ML, Herron ME, Serpell JA, Alvarez CE. Genetic testing of dogs predicts problem behaviors in clinical and nonclinical samples. BMC Genomics. 2022 23(1):102.