Who tells you that?
The one thing I can say about this is that I wouldn't want somebody who has bred Dalmatians for 30 year sto tell me what to do about do breeding (unless, maybe, it was LUA dals).
You can read about one of the problems in dalmatian breeding over on:
http://darlingyouaredoingitwrong.blogspot.com/
(click on Quiz in the left hand column, it is also over on one of the yahoogroups, either Political Dog Law, or Pet-treaty, I forget which.
How hard would it be to add LUA (healthy) Dalmatians into a breeding program?