I have a larger flock that free range. I usually get 24-28 eggs a day. Starting last week I get 2-4 a day. I have also lost 3 hens. no symptons. they are out walking around one minute next time I check dead. Whats going on?? We did have standing water in places due to heavy rain early last week. And we live next to a woods so I'm sure there is fungus growing somewhere? would these things stop all from laying. Please help if you have any suggestions on whats going on or what to do. My hens are about 1 yr old