Medical Definition of fowl cholera
: an acute contagious septicemic disease of birds that is marked by fever, weakness, diarrhea, and petechial hemorrhages in the mucous membranes, is caused by a bacterium of the genus Pasteurella (P. multocida synonym P. avicida), and is highly destructive to all types of domestic poultry and most wild birds—called also avian cholera, chicken cholera
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