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Please don't send traffic to Garden Betty, her feed recipes are terrible for your birds, and her feed calculator is populated with data which can't be validated - I have no idea where she sourced it from, but in the main, I've found it to overstate the nutritional quality of many ingredients.
Alfalfa pellets 1 part
Fish meal 1 part
Flax seed 1/2 part
Hard wheat 4 parts
Kelp 1/2 part
Lentils 2 parts
Oats 1 part
Peas 2 parts
This came out to 20.2% protein. My girls free range as well so I aim for a higher protein content since they dilute with greens and whatever else they forage.
Thanks for the warning on GB's calculator. Ussery's book said to use as many different grains, seeds, etc. that one can. That is basically what I've done. I used the calculator to check the protein content and that's about all. I've studied nutrition for my family for decades and used that knowledge as well. I'm glad the girls are getting a decent feed. Most of the feed on the market has soy in it or corn as first ingredient so I avoid them. The organic feeds that are soy free are too spendy for my budget. I do have a local organic feed facility (blessed beyond measure) but my girls really don't like their feed. If they have a choice between what I make and what I buy (also whole grains and fermented), they'll choose my mix.I've not corrected for "as fed" *basically, accounting for the water in the products, which tends to reduce the nutrition by 8-10% for recipes reliant on dried ingredients, but using Fetrell's Fish Meal and Thorvin's Kelp Meal (I couldn't find a nutrition label for Fertrell's), that's 22.75% protein, 7.29% fiber (that's high), 3.72% fat (good). Assuming a .9 correction for "as fed" to correct for moisture, that's 20.5%, 6,56%, 3.35%. Again, apart from fiber, that looks very good.
The Methionine level is 0.38 before correction (acceptable), Lysine levels are very good 1.28%, Threonine (.82%) and Tryptophan (.24) all look good. My calculator says the feed is low energy, but that's because I don't have good figures for the MKE of lentils in poultry, but its probably somewhere in the 12 - 12.5 MJ/Kg range, which is within recommendations.
So.... I have to ask. Did you make that recipe yourself, or find it somewhere??? Its much better than what I usually see offered as a homebrew effort - certainly better than GBetty's fiber AND FAT heavy offerings.
Soy works well because its has one of the best AA profiles in the plant world - its complete (a rarity), and near the right ratios. Your use of alfala, another legume, as substitute for soy is a key part of why the recipe works - though its much lower in protein, the ratios are similar. and of course the fish meal. The alfalfa meal IS where a lot of your higher fiber is coming from.Thanks for the warning on GB's calculator. Ussery's book said to use as many different grains, seeds, etc. that one can. That is basically what I've done. I used the calculator to check the protein content and that's about all. I've studied nutrition for my family for decades and used that knowledge as well. I'm glad the girls are getting a decent feed. Most of the feed on the market has soy in it or corn as first ingredient so I avoid them. The organic feeds that are soy free are too spendy for my budget. I do have a local organic feed facility (blessed beyond measure) but my girls really don't like their feed. If they have a choice between what I make and what I buy (also whole grains and fermented), they'll choose my mix.
Thank you for the info. I'd love to have your spreadsheet once it is finished so I can evaluate on a better nutritional level.