ok so when i first stared my flock in march i got 12 day old chicks from tsc they all grow up nicely to be 6 months old but there is a dog down the road that jumps fences like its nothing he has gotten two hens i found dog prints and a big mile of feathers but i lock them up in the coop every night and last night i went to lock them up i have 10 chickens but know only 9 i always check and see if there all there i looked every where there are no signs of dog attack or any thing eals i looked around all over but nothing what could of happened to her she was a rir 7 months old