Okay, prepare for BoxerWorld's newest barfer! I'll be asking tons of questions, you know

I've been reading the BARF forums for ages, there's just so much to process! Buddy will get his first barf meal for supper tonight. It will be chicken necks. Don't let me screw up, so in case there's anything I missed reading, feel free to tell me

From what I've read, Buddy being six months old, he should get 5-6% of his weight daily, right? He eats 2 meals, so that means @ 3% per meal, right? And I only feed him chicken for about a week, then add in veggies and other stuff, right? Not all at once? I haven't opened the pack of chicken necks yet, so I don't even know what they look like, but I just give him the whole thing? I know you guys are used to doing this, but I can't help but worry he'll choke. Reassure me

What do you who grind bones use to grind them? I may go that route, I haven't decided yet, I'll see how he does tonight. Oh, I should add one tablespoon pumpkin also for the runs? I think I read that somewhere. Sorry for all the questions, I've just read so much it's starting to blur together! I don't want to mess up, and today's the day! So I'm just covering all my bases! Thanks in advance for all the help! And you can all consider yourselves as having one more convert, because it's because of all the good stuff you guys have posted about barf that I decided to do this