California is moving to shut down the puppy mill pipeline and strengthen protections for pet owners under a new package of animal welfare laws signed Thursday by Governor Gavin Newsom . The measures—three of which directly target puppy mills—aim to curb deceptive online sales, increase transparency, and make it harder for unethical breeders to profit from mistreated animals. The new laws target the core business practices that allow puppy mills to operate under the radar—fake online listings,