1. Journal of Veterinary Behavior: Clinical Applications and Research
Behavioral and psychological outcomes for dogs sold as puppies through pet stores and/or born in commercial breeding establishments: Current knowledge and putative causes 
Franklin D. McMillan 
Journal of Veterinary Behavior: Clinical Applications and Research 
Volume 19, Pages (May 2017)
DOI: /j.jveb
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2. Figure 1
Relative frequency of behavior problems in dogs from less-responsible breeders compared with dogs from responsible breeders for 3 breeds of dogs.
Journal of Veterinary Behavior: Clinical Applications and Research  , 14-26DOI: ( /j.jveb )
Copyright © 2017 The Author(s) Terms and Conditions

3. Figure 2
Chronology of developmental periods, living environment, and stressors in the United States. The age at which the puppies leave the breeding facility is often considerably earlier in other countries (and may also be earlier in the United States if there is not strict adherence to applicable law).
Journal of Veterinary Behavior: Clinical Applications and Research  , 14-26DOI: ( /j.jveb )
Copyright © 2017 The Author(s) Terms and Conditions