so about 4 to 5 weeks ago my non tufted hen with no tail hatched out 10 out of 10 eggs i was amazed and they were doing really well but then next 2 of the chicks have a poopy butt and he can poop and their walking around like their on stilts well i had to cull one and the other lived well 2 weeks later after getting better it hapenes again so i had to cull it to but after 3 weeks of everyone being ok now just today one of the prettiest hens i have gets the same thing and its butt even looks sunk into its body I'm freaking out because i don't know whats wrong and i feel like I'm going to have non left does anyone know whats wrong
