Only one positive blood culture with skin flora bacteria (coagulase-negative Staphylococcus, diphtheroid
bacilli, etc.) was not accepted as a BSI.
(18,20,21) While acute mortality is the most common sign of PHV-1 infection in juvenile pigeons, coryza, conjunctivitis, diphtheroid
stomatitis, and pharyngitis are the most prominent signs observed in clinically affected subadult to adult pigeons with PHV-1 infections.
G+ R diphth/no spores Gram-positive rods with diphtheroid
morphology and no endospores.
Makker, "Shunt nephritis: demonstration of diphtheroid
antigen in glomeruli," American Journal of the Medical Sciences, vol.
Corynebacterium striatum: a diphtheroid
with pathogenic potential.
The causative agent is a gram positive aerobic diphtheroid
called Corynebacterium minutissimum.