I was researching tonight and came across a old thread in google. It was from another forum. A member there was mentioning not to feed (or very seldom feed) Spinach, for it binds with calcium and stops it being absorbed. Another member said it was ok, just not for breeding hens as the iron it contains prevents calcium intake. Is this true .
My Birds My Foods & Supplements Always treat your pets as family members. We sent thee not, but as a Mercy for all creatures (Quran 21:107) There is no creature on [or within] the earth or bird that flies with its wings except [that they are] communities like you. We have not neglected in the Register a thing (Quran 6:38)