Results are now clear, carrier or affected - the A,B,C ratings were only for the marker test. Here is a link to the Optigen page that shows breeding strategies and outcomes statistically. http://www.optigen.com/opt9_test_prcdprabs.html
Another example of why people remain anonymous! A simple question gets a "you really need to know how this works" type response vs just answering the question in a civil tone! Honestly, we are supposed to be lovers of Labs and have hopefully had some of their gentle spirits rubbing off on you? Some of you might as well be pit bull breeders because of your tones?