At the appropriate moment, the dog was released to do its work.
Timing starts from the moment the dog is released by the handler.
Once such an area is located, the dogs (usually bloodhounds or ridgebacks) are released.
The dog, named Duke, was treated by a veterinarian and released.
The dog was released and rushed towards the point where the sound of broken twigs came from.
The dog was released and Brunston immediately tossed the sandal onto the ground.
The big, vicious dogs would be released if they winded him, and the black surely knew that.
Once a wolf is spotted, the dogs are released from the sled, and give chase.
Once the handler is with the subject, the dog is released (and during training, rewarded).
The dog was treated at a veterinary hospital and released.