[QUOTE=Poseidon;1569766]Not diseases only, just a gene. The diseases that have been mentioned are all genetic diseases.[/QUOTEyes the same goes for australian shepherds 2 merles should not be bred because of the possibility of a lethal white...principle can cross all genetics...in horses or any other species one individual can be free of a gene altogether, be a carrier that can pass on to their offspring but not exhibit the trait themselves or have the trait themselves and pass it on to offspring]
Horsepower: the extraordinary capacity of a horse to elevate the human spirit!
My castle is my barn ;)