Calculating Protein Percentages of Eggs and Peas

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Is this correct?
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In other words... base your calculations on ENERGY (caloric) value and not weight .... and we arrive at 33% ish protein in a single fresh eggs?! :eek: :lol: :pop

Approximately, yes (I posted this before - Calculating Protein Percentages of Eggs and Peas).

But if you do that you can't compare the percentages to those on a bag of chicken feed that provides numbers based upon weight (dry or as fed). The Mazuri numbers are NOT based on a calorie basis.
 
Ok, I would like to hit on something real quick.

Someone a few post backs, I forget who it was, but they said something about they wasn't worried about the amount of protein percentage but the quality of the amino acids.

That to a point is good thinking BUT, when the protein amount of a set ingredient/s brings the over all protein amount of the feed down to unsafe level then it doesn't matter how good the quality the amino acids are. Also it doesn't matter how good of quality you think a amino acid is in a set ingredient/s if the animal its being fed to can not obtain the amino acid or can only obtain a portion of it.

Just because a amino acid is in a feed ingredient/s doesn't meen that it can be used, or all of it can be used.

Example being, Soybean meal (48%) protein has .64% Methionine which 91% of Methionine is digestable by chickens so your bird is really getting .58% Methionine and not .64.
 

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