Giving too much other snacks and treats dilutes the actual nutrition they need from the Chicken feed..My Chickens all Fall only have ever gotten two pumpkin..
For me pumpkins are treated like any other treat, the total amount of treats given to the birds is 10% ± of the birds total diet.
Pumpkins are right around 15% protein so they will deplete the birds over all protein intake but they are a good source of β-carotene.
Well… I’ll offer my opinion based on my observations, not from any fact obtained from creditable sources, just me,
take it for all it’s worth.
That said, chickens are prey animals. As such, they are opportunists, grab and go, grab as much as they can before going. Digest later when safe.
Thus we have
“treats”. Offerings that they will grab and go… grab as much as they can because it may not be available in 5 minutes.
Treats can fill them up, thus disrupting their balanced nutritional diet. A mouse is a chicken treat. A piece of bread also. Treats are not something available all the time. Treats are an interesting alternative food source to chickens that they need to eat NOW or it may be gone forever…
I agree,
keep treats to 10% or less than their regular balanced diet to insure proper health.
The first offering of pumpkin, what a treat! … till full … then… not so much a treat as it is still there an hour later. In my run, 2 or 3 months later. There are 7 25 – 30 pound pumpkins in my run in assorted states of disarray this morning. Pumpkins are just another free choice offering, nothing special or interesting, eatable food free choice. No different than free-range foraging, look for something more interesting, eat a bit here and there, then fill up on free choice nutritional feed, oyster shells, or grit, also always available.
For my flock, free pumpkins are not a treat. My feeding more than they could possibly eat works well for me, and seems to work just fine for them. Leftovers just compost naturally in the deep litter.
For all it's worth, hope this helps.