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A service dog was evaluated because of a sudden refusal to enter certain public venues while working; a history of attempts to escape followed by barking, panting, trembling, and pacing when left at home; and a history of attempts to escape, panting, and hiding during thunderstorms or at the sound of distant gunshots.
The patient was a healthy 44.5-kg (97.9-lb) neutered male Golden Retriever service dog approximately 5 years of age.
The dog had been obtained from a breeder at 9 weeks of age with the intent that it would be trained as a