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Meant to respond to this earlier, got sidetracked. In chickens , the only major ratio we need to pay attention to is Calcium : Phosphorus. Most common biological processes (almost everything except making the shell of a chicken egg) use 2 Ca for each 1 P. and chickens find the P bound in...

Sorry for all the spelling errors. Also playing a game on my cell phone, a game in another window of my computer, and eating dinner. Hopefully, the above makes sense. and tying it all back to @TooCheep excellent question above, I, like many, am not particularly interested in a perfect protein...

that brings me back to this study/paper here, source of the AA profile I found in a later study. I need this, because the numbers linked int he prior chart show relative protortions, but not units. I need to know how they are being measured. First thing I found, as suspected, is that the crude...

OK, so... I mentally skipped a lot of steps. Apologies for that. I'm of the "meet the minimums" and if you have too much, so much the better, sort of camp. Mostly. With typical feed ingredients, its almost impossible to have "too much" (as in, unhealthy amounts) of Methionine or Lysine...

^^^^^ This is largely correct. The ability to measure Met directly is relatively new compared to measuring other AAs, most old studies (and some newer) will instead reference SAAs - Sulphur containing Amino Acids. It still requires specialized equipment, and commands a price premium, albeit...

S Polyrhiza, btw is the "large" or "giant" duckweed in many aquarioms. The tiny duckweed is usually Lemina minor. FYI.

Research gate has this study finding its nutrition to be highly variable This study (for pigs) looked at the amino acid profiles of various varieties of duckweed. Be careful when you see words like "complete Protein" thrown about, its often by people who don't know what they are talking about...

Thank you!

Not to thread hijack, but I'd appreciate seeing your set up. Aquaponics is our next F around and find out...

I really should look at more research outside the U.S.. homemade kefir is a very good alternative. TY @Penpal for thinking of it

If you would rather offer concentrated milk, I recommend plain yogurt. You could also use dry milk powder, but milk and yogurt are easier to repurpose than dry milk powder.

So, Milk... If you want to try it, just set a bowl out. Continue to provide your feed. Continue to provide fresh clean water. Offer milk in a seperate dish. If they drink it, its mostly water, but has some crude protein, calcium, phos, some vitamins. All good things. If they don't? You...

My opinion, and its not strongly held, but my opinion is that unless you know more than I do, you shouldn't use Salatin's feeds without also using his methods. That's a conservative opinion because I haven't looked real closely into his recipe to see what he's counting on his tractors for. In...

Yes, J Rhodes is a good place to start. Every component has a purpose. The peas are high crude protein, balanced heavily towards lysine. Soy is high crude protein, heavily balanced towards methionine. The two most critical amino acids? Yup, Lysine and Methionine. Sourcing ingredients for J...

I will add that I learned enough building mine that I will, eventually, completely rebuild it from the ground up - it has too many errors and unwritten assumptions for me to loan it out to anyone that doesn't know at least the little that I do about feeding chickens - and those that know more...

No. I've seen a handful of spreadsheets out there - most only look at crude protein. That does not a balanced diet make. A few look at the top four critical amino acids, maybe fat, calcium, phos, but don't go further than that. The data sources on many are highly suspect. If you are truly...