Dogs are bred for food in some parts of the world. And elsewhere, dogs have been bred for their appearance at the expense of their health or functional traits,

Dogs are bred for food in some parts of the world. And elsewhere, dogs have been bred for their appearance at the expense of their health or functional traits, on the whims of people running competitions. See, for example: https://www.amazon.com/Dog-Wars-Border-Battled-American/dp/0983484503/ https://www.amazon.com/Dog-Wars-Border-Battled-American/dp/0...