Not only are pets largely considered members of the family, but they’re also the subject of a niche economy. This year, Americans are projected to spend more than $72 billion on pet-related expenditures. Increasingly, young American couples opt for fur babies over real babies due to the reduced financial commitment offered by dogs and cats. Beyond the market for chew toys and gourmet food, dogs also play an unfortunate role in a far more sinister industry: consumer product testing. Despite America’s broadly positive attitude toward pets, they’re still used as…