chickens

Just wondering about this. My chickens are free range and every so often I let them into my compost, which is where my wine making leftovers currently go. I also have 5 apple trees and they go to town on the fallen apples; some of which I know to be fermenting (drunken birds 😂). So I was...

I'm thinking of enclosing a section of my vineyard to be the chicken coop and letting them wander around to eat insects. I've read about some wineries letting chickens out into the vineyard, but I'm wondering if they'll eat my grapevines when they're still really young?