Selecting a dog breed for health rather than appearance is one of the most impactful welfare decisions a prospective owner can make.
Breed selection is a welfare decision made before a dog even exists. Choosing a breed based primarily on appearance, particularly one associated with severe inherited health problems, means choosing to bring into existence an animal that will suffer throughout its life. This is not an argument against breed preference but against selecting breeds where structural or genetic problems cause predictable, avoidable suffering. Prospective owners who research health testing requirements, choose breeders who test and select for health, and consider functional conformation over show-type extremes make choices with profoundly positive welfare consequences for the individual dog and for the breed gene pool over time.