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Agarose gel electrophoresis of PCR products generated for P. multocida capsular type F. Lane M, molecular size marker (1-kbp DNA ladder; Gibco-BRL-Eggenstein); lane 1, negative control; lane 2, positive control; lane 3, isolate from lung (calf 1); lane 4, isolate from elbow joint (calf 1); lane 5, isolate from abdominal fluid (calf 1); lane 6, isolate from abdominal fluid (calf 2).
