The dogs, held in cages at a breeding and research facility, were bound for labs. About 4,000 were saved and, almost a year later, many are thriving with their families.

Read More Animal Abuse, Rights and Welfare, Envigo RMS LLC, United States, beagles, Breeding of Animals, Alexandria (Va), Tests (Medical), Animal Rescue Team for the Humane Society, Humane Society of the United States, Dogs, Research, Yarmouth (Me), Pets