These breeds were chosen because of the high percentages of breeding animals for which test scores were available and demonstrated a high degree of HD. (abneycatahoulas.com)
Therefore, where genetic variation is depleted in a population, migration of breeding animals from a different population is the only practical means of regeneration to enable selection. (cgejournal.biomedcentral.com)
So pretty much a local breeder who breeds an animal in the county can still sell them, in certain circumstances. (wtsp.com)