Recovering Academic on Nostr: I think a good leaping-off point might be to look at Table 1 in this article, which ...

I think a good leaping-off point might be to look at Table 1 in this article, which was adapted from an earlier article. You could also look around for other papers to cross-reference and perhaps challenge these stipulations, particularly more recent papers.
https://www.researchgate.net/publication/336926989_Canola_meal_as_an_alternative_dietary_protein_source_in_quail_Coturnix_coturnix_diets_-A_review

I would then use https://tools.myfooddata.com/ and investigate each individual plant you are considering—you might find several of them, or at least a decent proxy.

Clam shells sound like a great solution for calcium! :)