indeed; if you slog through you'll find one on the impact of milk on bacteria is nearly a century old. But many of the links go to open access papers published in the last two decades. And the work cited in post 1 is from 2022.
you might want to update your reading on some of the links in a thread I started
https://www.backyardchickens.com/threads/new-research-debunks-trad-views-on-nutrition.1567953/
chopping up small is a very good idea.
I don't know how many chicks you have coming, but their appetites (and poos!) are tiny to begin, and if you make up a lot and it's wet you risk a lot of waste if it goes moldy.
Given where you are already, I would have multiple small low-edged dishes/jar...
I'm not sure that's a good idea @Lavender Mum ; chicks need really small particles.
I gave home made chick feed for the first time last summer, and based what I gave on old poultry handbooks, from the pre-commercial feed era when all adult birds ate whole grains.
This is what I gave mine -...