hi there i need help treating my chick i noticed today that it was missing 1 toe and 3 others with fingus i think because it bleeds on the top of the toes missing nails and short toes with black stuff on toes as well i washed her feet now clean and no skin and started 2 bleed i put some antibiotics to stop the bleeding but need to 2 know what could have caused it i have her in a brooder to heal up my other chicks do not have it she's the only 1 i have her with her 18 silkies,2 ee,2 buff orp including her checking later 2 c if any one else is the same hope not thanks 4 looking