is this an “old wives tale” (for lack of a better term atm) that turned out to be true? i swear my parents used this as a reason to get a mutt for me as a kid in the 90s..
today’s pure breed dogs are sometimes sad to see..
today’s pure breed dogs are sometimes sad to see..
Empirically one can go a long way, into understanding that inbreeding is bad, that diversity is good. I wouldn't be surprised to see Greek, or Sumerian texts on breeding...