There's a lot of different varieties of that, the stuff our feed store gets is usually second or third cutting, no seed heads, very nearly blue in color.
Well, in your case, if you wanted to keep getting the good-stuff hay, you could cut down on the complete feed or cut down on the amount of hay you’re feeding and just let them pick at the pasture the rest of the time. Either would probably work fine. I believe I saw a mention over on the Cushings Yahoo group that the lab that I use for my hay analysis has some composite tables online that have average analysis values for hays that have been submitted in a particular region for a particular year. These might be helpful for people for whom having a personal hay analysis done isn’t practical. I’ll have to go see if I can find them.
There's a lot of different varieties of that, the stuff our feed store gets is usually second or third cutting, no seed heads, very nearly blue in color.