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The demand and consumption of fish and their derivatives\udhas increased considerably in recent years. However, fish\udare ideal hosts of numerous parasites, highlighting the\udneed to develop new research methodologies for its\uddetection. The aim of present study was to compare the\udefficacy of Ascocotyle metacercariae (Trematoda:\udDigenea) extraction from visceral tissues of Mugil liza\udValenciennes, 1836 (Teleostei: Mugilidae) by two\udmethods: homogenization by blender or mixer. Twentysix\udsamples of M. liza were collected, being 16 liver\udsamples and 10 samples of muscle tissue. Approximately\ud5g of each sample were processed by blender and mixer techniques homogenization for metacercariae extraction.\udIn liver samples, up to 46 metacercariae were found in\udsamples homogenized in blender. The lowest amount\udfound was 2 metacercariae for blender and mixer\udtechniques. In samples of muscle tissue, 4 metacercariae\udwere observed in the mixer extraction. The lowest amount\udwas found to be 2 parasites to blender and mixer. The\udmean metacercariae found and extracted from muscle\udtissue were 0.2 (+0.357) and 1.2 (+0.963) for blender and\udmixer, respectively. The averages of metacercariae found\udand extracted from fish liver, in blender and mixer, were\ud24 (+15.145) and 18 (+8.246), respectively. The\udhomogenization techniques for blender and mixer were\udeffective for the extraction of metacercariae of mullet fish\udtissues, suggesting that they may be directly applicable in\udthe field of study, especially due to the ease of testing

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Comparação entre os métodos de extração de metacercárias de Ascocotyle sp (Trematoda: Digenea) dos tecidos de Mugil liza Valenciennes, 1836 (Teleostei: Mugilidae)