This particular strain is so virulent and deadly to chickens that it kills the entire flock before you can even cull them sometimes. Usually the first sign that

This particular strain is so virulent and deadly to chickens that it kills the entire flock before you can even cull them sometimes. Usually the first sign that farmers get is that 90% of the flock is already dead and the rest are dying. The few chickens that survive are also carriers and eventually die anyways. It's just that bad. https://www.acvp.org/page/Bird_Flu_Factsheet#:~:text=Also%20in%202001%2C%20the%20H5N1,virus%20caused%20100%20percent%20mortality. https://www.acvp.org/page/Bird_Flu_Factsheet#:~:text=Also%20...