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Electrophoresis in 1.8% agarose and ethidium bromide staining of amplified products with primers Tg1 and Tg2 of T. gondii. Lanes; (M) molecular weight marker (Promega, 100 bp DNA Ladder), (1) negative control, (2) positive control, (plasmid pMOSBlue/Toxo469/3), and samples from positive cats (3, 4, 7, 8, 10, 11, 14, 15, 16) and from negative cats (5, 6, 9, 12, 13).
