If you are reading this you are not scared off by the title.
Nutrition 1st, Exercise 2nd, Recup 3rd, Supplements 4th.
Having been grown up on the above from a family of fitness, I bought several books on Dog Nutrition when I got my Baby Boy St B Rufus Elvis King, and I still hold true to many of these lessons today. Many of the forum readers here will know a lot of this but nothing wrong with reaffirming what you already know.
I have them in PDF and Happy to send via Fairview as the Forum owner or direct as know Fairview have a Fair amount of stuff on their hands at mo with new St's to this world.