Not that I want to get into a serious debate with anyone over breeding sibs, or daughter to father, or son to mother.....I dont personally think that WITH REASON inbreeding is bad, a few generations......there would be verry few or no doubel recessives without imbreeding....now that being said I beleive that this imbreeding has to have limits, I am not going to get into what those limits should be.... With me personally I beleive 3 generations.....but thats me