I wish I could but I don't measure out feed...never have. I use a standard feed scoop that you can buy anywhere and I just shovel the feeder full of an amount that I've seen my chicks clean up well before the next feeding time comes along. Of course, this varies as their needs change, so I just adjust as I go along.
That's the advice I give all newer chicken keepers...always be assessing the flock's needs and changing things up as you go along. Standard amounts and standard schedules for feeding are like standard education....it only works for a standard person..or chicken, in this case. Each bird is an individual and each flock has its own flow....I could no more tell you what amount to feed your birds than I could tell you what to wear outside in the merry month of March on any given day!
Pardon me whilst I pull out my soapbox...<pulls out one very sturdy and badly worn box>
I've noticed that quite a bit on this forum...lots of folks out there wanting to standardize chicken husbandry with X amount of this nutrient or that vitamin in a certain ratio in the feed and wanting this to be the "best" nutrition for flocks. (But scientists and the USDA says it is supposed to BE that way, don't they???
) Every flock is different, live in different situations, produce at different rates...and that's okay. It's okay to not know exactly what to give and when because, if your flock is normal, those variables are constantly changing.
The real adventure of raising chickens is that change and constant learning curve...there shouldn't really be anything too hard about it. If you can raise and feed kids, chickens are a snap! How do you know if kids are getting the right foods and care? Same way you can tell if a chicken is...are they bright-eyed, active, healthy and have good appetites? Yes? Then you're on the right path.
Raising chickens is supposed to be fun, so if any of you are out there reading books or this forum and feel yourself getting confused or anxious about all the information you are trying to absorb~just stop and think a minute....people in very primitive cultures have been keeping chickens since time began and doing it quite well or there wouldn't be a chicken left for us to obsess over. Get over it, take a deep breath and just enjoy the process.
There! That's my very small two pennies!