For our 33% increase in feed costs, plus the hassle of mixing it, and the hope that the chickens don't pick out favorites and leave other stuff behind {like red millet - disfavored by most birds, dirt cheap, and a significant component in both the mixed bird seed and many 5 grain "Scratch" mixes}, maybe this provides superior nutrition???
NOT ON THEIR LIVES.
CP? (16 x4) + (2 x8) + (1x 38) + (2 x16) + (2 x 9) = 168 / 11parts = 15.27% Crude Protein. Congratulations, even with the very expensive cat food, you have still produced a final product with less Crude Protein than the thing you were trying to improve upon (at increased cost, no less).
CA? (Math. Do I need to keep showing my work???) = 1.55% Ca average. Yep, if you want decent egg shells out of your production layers, you need to supplement w/ a calcium source like Oyster shell. You've cut it by more than half. [This is why I didn't count the cost of oyster shell w/ the Flock Raiser/All Flock, because the recipe above is almost equally deficient]
P? (Needed in a ratio of about 2:1 for almost every biological process except shell production. Too much P negatively affects calcium uptake and creates nervous system problems, among others. Too little? Huge negative to bone growth & maintenance, also nervous system problems. You want a number around 0.35 - 0.5%. Due to some oddity of nature, Chickens almost can't use Phytate P [plant based], unlike mammals [us, the cat, the rabbit]). So, best case (more math, trust me???) = 0.36%. If you are lucky, you just scraped into the minimum recommend. Reality is that most of the recipe gets P solely from Phytate sources, exceptions being the Chicken feed and the Cat Food. It is a mathematical certainty this has sub par P levels]
Vitamins? Trace Minerals? No clue. There's no way to calculate. Almost certainly not what your birds need.
Amino Acid Balance? Can't be calculated. But since your crude protein dropped (CP being the number you get when you add all the amino acid contents up into a single figure), you are already at a disadvantage. Red Millet (in the bird seed and the scratch grain mix) is terrible for Lysine, not good for Threonine, and has essentially no Tryptophan. Cracked corn (see where I'm going with this?) is across the board uniformly deficient in the first four critical amino acids. The other seeds & grains? W/o knowing inclusion rates, no way to calculate the end result. And you have no AA profile at all for the cat food, which provides almost 25% of the total protein in the recipe.
and Lastly... [yup, next post]
NOT ON THEIR LIVES.
CP? (16 x4) + (2 x8) + (1x 38) + (2 x16) + (2 x 9) = 168 / 11parts = 15.27% Crude Protein. Congratulations, even with the very expensive cat food, you have still produced a final product with less Crude Protein than the thing you were trying to improve upon (at increased cost, no less).
CA? (Math. Do I need to keep showing my work???) = 1.55% Ca average. Yep, if you want decent egg shells out of your production layers, you need to supplement w/ a calcium source like Oyster shell. You've cut it by more than half. [This is why I didn't count the cost of oyster shell w/ the Flock Raiser/All Flock, because the recipe above is almost equally deficient]
P? (Needed in a ratio of about 2:1 for almost every biological process except shell production. Too much P negatively affects calcium uptake and creates nervous system problems, among others. Too little? Huge negative to bone growth & maintenance, also nervous system problems. You want a number around 0.35 - 0.5%. Due to some oddity of nature, Chickens almost can't use Phytate P [plant based], unlike mammals [us, the cat, the rabbit]). So, best case (more math, trust me???) = 0.36%. If you are lucky, you just scraped into the minimum recommend. Reality is that most of the recipe gets P solely from Phytate sources, exceptions being the Chicken feed and the Cat Food. It is a mathematical certainty this has sub par P levels]
Vitamins? Trace Minerals? No clue. There's no way to calculate. Almost certainly not what your birds need.
Amino Acid Balance? Can't be calculated. But since your crude protein dropped (CP being the number you get when you add all the amino acid contents up into a single figure), you are already at a disadvantage. Red Millet (in the bird seed and the scratch grain mix) is terrible for Lysine, not good for Threonine, and has essentially no Tryptophan. Cracked corn (see where I'm going with this?) is across the board uniformly deficient in the first four critical amino acids. The other seeds & grains? W/o knowing inclusion rates, no way to calculate the end result. And you have no AA profile at all for the cat food, which provides almost 25% of the total protein in the recipe.
and Lastly... [yup, next post]
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I like to feed the best commercial feed I can afford and forget these odd homemade feeds! Where I live I can buy Kalmback flock raiser for just under 20.00! Hard to beat that IMHO! 
