Sorry - I meant to add...
Yes - Wild birds will transmit all sorts of diseases to your flock - worms and mites being the most likely. If you free range there not much you can do about it except get into the routine of worming them on regular basis and spraying them and their coop with flea/mite killer. Your chickens will scratch up wild bird poop (and eat it) - you can't avoid that. Mites/fleas/ticks drop off wild birds and wait on grass, in trees or on the ground for another bird to come along then they wake up and catch a ride on the new victim.
You don't need many reasons to hate feral pigeons - we have them too.
We now have one juvenile with canker, which is a disgusting and potentially fatal condition that is spread by pigeons. We are treating it and hopefully all will be well. If only we could get rid of the pigeons.
Yes - Wild birds will transmit all sorts of diseases to your flock - worms and mites being the most likely. If you free range there not much you can do about it except get into the routine of worming them on regular basis and spraying them and their coop with flea/mite killer. Your chickens will scratch up wild bird poop (and eat it) - you can't avoid that. Mites/fleas/ticks drop off wild birds and wait on grass, in trees or on the ground for another bird to come along then they wake up and catch a ride on the new victim.
You don't need many reasons to hate feral pigeons - we have them too.
We now have one juvenile with canker, which is a disgusting and potentially fatal condition that is spread by pigeons. We are treating it and hopefully all will be well. If only we could get rid of the pigeons.