A geographical area of the United States with no definite boundaries but comprising northeastern Alabama, northwestern Georgia, northwestern South Carolina, western North Carolina, eastern Kentucky, eastern Tennessee, western Virginia, West Virginia, western Maryland, southwestern Pennsylvania, southern Ohio, and southern New York.

A subgenus of Salmonella containing several medically important serotypes. The habitat for the majority of strains is warm-blooded animals.

Diseases of domestic and wild horses of the species Equus caballus.

Premature expulsion of the FETUS in animals.