The Breeder’s Guide provides lots of information that is more for the Australians but it also gives definitions of some of the abbreviations and some of the indexes. Jerry says he finds it helpful. I have not looked at it much, but know that between pages 19 and 35 there are some things that I think will help.
I have been told that some people are having trouble with getting it to go. So I guess I will suggest that you go to the Australian website. www.sheepgenetics.org.au/. Then choose Resources on the left side of your screen. You will then be looking at a page that has the Breeders Guide so you can click on it there and you should be able to open it. There is also a Breeders Quality Assurance Manual there which has some useful info but you now have to contact their office to get it.