In part because this. Nobody wants to deal with this people if avoidable https://en.wikipedia.org/wiki/Brown_Dog_affair https://en.wikipedia.org/wiki/Brown_Dog

In part because this. Nobody wants to deal with this people if avoidable https://en.wikipedia.org/wiki/Brown_Dog_affair https://en.wikipedia.org/wiki/Brown_Dog_affair If you keep a dog in a lab you became a target for cruelty animal groups that will see your demise as an opportunity to spread their stance. And in part because dogs made difficult to keep the clean space that is expected in this places.