Shelter pressure is easing: much of it was puppies of the non-sterilized.

Link. Vet care got more expensive and less available, unsterilized dogs had puppies. Many adopted with little dog experience. Shelter stress is abating now.

“Taking dogs on temporary outings or fostering them for a night or two can increase their odds of adoption by up to 1,400 percent … organizations are often able to provide financial or material assistance so households don’t have to surrender their pets.”