Sorry to here about your losses,the same thing happen to me. I seen a pack of 5 coyotes 3 days before my instance. I also had to replace my flock. It will take some time and effort but i hope everything works out for you.
Just started raising chickens this past spring. I have a blue copper maran rooster,2 barred rock hens and one speckle sussex hen hope to get a few tips everyone.