Document Type

Report

Report Number

A.S. Series 68-29

Publication Date

1968

Summary

Antibiotics have become standard ingredients in most rations for growing swine. Antibiotic feeding generally increases average daily gains, improves feed efficiency, improves uniformity of performance and may reduce death loss during the growing period. The exact method by which antibiotics cause these beneficial effects is not known. However, they apparently do have an influence on the intestinal bacteria and there is concern that the bacteria may become resistant to an antibiotic when fed continually. Therefore, new antibiotics must be evaluated and compared with existing effective antibiotics.

Number of Pages

4

Type

text

Format

application/pdf

Language

en

Publisher

Agricultural Experiment Station, South Dakota State University

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