Residues of oxytetracycline in cultured juvenile blue shrimp, Penaeus stylirostris (Crustacea: Decapod), fed medicated feed for 14 days

Leone L. Mohney, Rodney R. Williams, Thomas A. Bell, Donald V. Lightner

    Research output: Contribution to journalArticlepeer-review

    21 Scopus citations

    Abstract

    Juvenile shrimp fed for 14 days on oxytetracycline (OTC) medicated feed with a potency of 1500 mg OTC kg-1 of feed reached a level of 33 μg OTC g-1 of shrimp tail muscle within 4 days, as measured by the microbial agar plate diffusion assay method for oxytetracycline in tissues, approved by the Association of Official Analytical Chemists. The concentration of OTC remained between 3.3-5.2 μg OTC g-1 of shrimp tail muscle from Day 4 through Day 14 of the feeding period. These concentrations were greater than the Minimum Inhibitory Concentration for sensitive organisms. By the fifth day following cessation of feeding medicated feed the drug content in shrimp tail muscle was less than the detectable limit for the method, or 0.4 μg of OTC g-1 shrimp tissue.

    Original languageEnglish (US)
    Pages (from-to)193-202
    Number of pages10
    JournalAquaculture
    Volume149
    Issue number3-4
    DOIs
    StatePublished - Mar 31 1997

    Keywords

    • Medicated feed
    • Oxytetracycline
    • Penaeus stylirostris
    • Residue
    • Shrimp

    ASJC Scopus subject areas

    • Aquatic Science

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