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Focuses on the sampling of 10 swine pigs in determining patterns of resistance of fecal Escherichia coli to antibiotics commonly used. Information on the use of antibiotics; Why bacterial resistance to antibiotics has caused concerned among health specialists and consumer groups; Selection of two commercial swine farms from various regions of Tennessee; Outline of the methodology of the study.

Studies the effects of pig age and level of antibiotic use on single and multiple antibiotic resistance patterns of Escherichia coli. Incidence of single and multiple resistance to tested antibiotics in fecal E. coli of pigs of various ages; Cross-resistance of E. coli with the aminoglycoside group; Increased incidence of antibiotic resistance seen in nursery pigs.