Prevalence of owner-reported behaviours in dogs separated from the litter at two different ages

Short Synopsis: Puppies separated from their litter at 30-40 (4-5 weeks) days were far more likely than puppies separated from their litter at 60 (8.5 weeks) days to exhibit behaviors including destructiveness, excessive barking, fearfulness on walks, reactivity to noises, toy possessiveness, food possessiveness, and attention-seeking.

Correlations were stronger with puppies that were younger, and especially if they came from a pet store.

Authors:L. Pierantoni, M. Albertini, F. Pirrone

Publication: Veterinary Record

Publication Date: October 2011

Applies To: Pet stores, breeders

Sample Size: 70 dogs

Limitations/Drawbacks: Correlation/observation only, based on owner report


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