Current Social Media Chicken Feed Craze - posted testing results

Threonine levels aren't disclosed on feed labels typically. Anything 0.5 or higher is fine - basically a little less than the 0.6 Lys recommend as layer minimum. You aren't hurt by going higher, particularly if your hens are frequent layers of XL eggs.

Good Thre sources? all your meat meals (of course). Brewers yeast, all your legume/oil seed meals (of course) because they are all concentrated proteins [except alfalfa - its not bad, but not nearly as high as the others) - then flax seed, your beans (fava, field peas/cow peas) lentil, hemp. split peas. By the time you get to chickpeas and peanuts, you are right there with the alfalfa meal - above target, but not lots above target. h, Fenugreek seed is 0.8 (Chickpeas, Peanuts, Alfalfa meal all around 0.75) - another reason its a good choice in sprouting trays.

My favorite cheap chicken protein source has about 4x that target, so any corn/soy based chicken feed mix with even 20% (high quality) soy meal or 25% (lower quality) soy meal should be at or over the target minimum. Its one of the reasons it doesn't get printed on feed bags - with the typical mix, its hard to miss.
Horse people pushed for it to be added to horse feeds since the three methonine,threonine and lysine as well as adequate protein are vitally important for quality hooves. Purina,nutrena,manna pro and lonestar all include all three..i am sure others do as well,i just dont feed their feeds.. Since all 3 are required in correct amounts for hooves would seemobvious needed for shell production as well as a correct calcium/phosphorus ratio and adequate protein
 
My issue isn't the egg shell. It's the membrane around the yolk. I have had past issues with all or nearly all yolks breaking when I cracked the eggs. No matter how gently I did it.

Fine for cooking (unless you need to separate the yolks and whites), fine for scrambled eggs. Not fine for DH's over easy eggs.
 
Horse people pushed for it to be added to horse feeds since the three methonine,threonine and lysine as well as adequate protein are vitally important for quality hooves. Purina,nutrena,manna pro and lonestar all include all three..i am sure others do as well,i just dont feed their feeds.. Since all 3 are required in correct amounts for hooves would seemobvious needed for shell production as well as a correct calcium/phosphorus ratio and adequate protein
I can't complain (but sometimes I still do) [comment for those who remember the Joe Walsh song...]

Its a lot better for us here in the US with our Feed tags than our friends across the pond, but yes, I'd find the big four of poultry - Met, Lys, Thre, Tryp on every bag to be "useful".

And @Sally PB don't you use sprouting trays sometimes? Do a sheet pan of Methi/Fenugreek. Maybe your birds will eat it. If not, you can cook with it.
 
Horse people pushed for it to be added to horse feeds since the three methonine,threonine and lysine as well as adequate protein are vitally important for quality hooves. Purina,nutrena,manna pro and lonestar all include all three..i am sure others do as well,i just dont feed their feeds.. Since all 3 are required in correct amounts for hooves would seemobvious needed for shell production as well as a correct calcium/phosphorus ratio and adequate protein
I don't understand the logic here.

Horse hooves are mostly made of protein, so I see why specific amino acids would matter for them.

But eggshells are mostly made of calcium, so I don't see why those amino acids would matter for the SHELL of the egg. (I could see amino acids making a difference for the membranes inside the shell and around the yolk, and for feather quality, because those all use protein.)
 
Things end up in feed, in water, in soil etc. IN Michigan in the 1970s,the fire retardent chemical ended up in cattle feed.PBB( polybromentated biophenol spelling may be off) got into the food and milk supply..and it cant be removed,they culled thousands of dairy cows and steers..

How many people are living on land contaminated from old mining, contaminated wells..just in the u.s. pilcher,ok,gilman,co, love canal ny, new idria,ca, times beach ,mo, salton sea,

Even near me the old bosco oil fields from the early days of wildcatting you have to have your wells recularly tested due to contaminants leaching into ground water.. an organic grower cant control the fact that a neighbor sprays a 1/2 mile away and it blows your way..

Dioxins and PCBs are so dispersed into our soil and food sources that over 90% of people have them in their body..so do our animals..
 
I don't understand the logic here.

Horse hooves are mostly made of protein, so I see why specific amino acids would matter for them.

But eggshells are mostly made of calcium, so I don't see why those amino acids would matter for the SHELL of the egg. (I could see amino acids making a difference for the membranes inside the shell and around the yolk, and for feather quality, because those all use protein.)
I think they ere refering to the Calc/Phos amounts and ratio re: shell - though the transition was a bit less clear than desired.
.
 
Things end up in feed, in water, in soil etc. IN Michigan in the 1970s,the fire retardent chemical ended up in cattle feed.PBB( polybromentated biophenol spelling may be off) got into the food and milk supply... and it cant be removed, they culled thousands of dairy cows and steers..
Yup, I remember that summer. Within a few months/year, they suspected that everyone in Michigan had some PBBs in their body.

I can't "keep everything out," so I do the best I can with what I have where I am.
 

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