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Relationships of enzootic pneumonia, atrophic rhinitis, and antibiotic feed medications to growth performance in pigs

Relationships of enzootic pneumonia, atrophic rhinitis, and antibiotic feed medications to growth performance in pigs

Martin, Charles Antony

Text (1992)

Part of Electronic Theses & Dissertations

Changes in cost structure of swine producers in the United States after implementation of a ban on subtherapeutic antibiotic growth promotants

Changes in cost structure of swine producers in the United States after implementation of a ban on subtherapeutic antibiotic growth promotants

Hogberg, Michael Gordon

Text (2006)

Part of Electronic Theses & Dissertations