Prevalencia de anisákidos en peces comercializados en la provincia de Jaén.
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2024-01-09
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Jaén: Universidad de Jaén
Resumen
Los anisákidos son nematodos parásitos que pueden afectar de manera accidental al hombre. El presente estudio trata de estudiar la prevalencia de anisákidos en cinco especies de pescado en tres comercios diferentes en varias localidades de la provincia de Jaén. Tras el estudio de 410 peces se obtuvieron 451 ejemplares de estos parásitos correspondientes a tres especies de diferentes de anisákidos. Para su identificación se realizó análisis morfológico, morfométrico y molecular. Se observó que Anisakis simplex es la especie parásita de anisákido más abundante y que la bacaladilla (Micromesistius poutassou) y la merluza (Merluccius merluccius) son las especies hospedadoras que presentan una mayor prevalencia de anisákidos. También se observó una mayor carga parasitaria en los peces capturados en aguas del Atlántico frente a las del Mediterráneo.
Anisakids are parasitic nematodes that can accidentally affect humans. The present study tries to study the prevalence of anisakids in five fish species from three different markets in some localities in the province of Jaén. After the study of 410 fishes, 451 specimens of these parasites were obtained corresponding to three different species of anisakids. For its identification, morphological, morphometric and molecular analyzes were carried out. It was observed that Anisakis simplex is the most abundant parasitic anisakid species and that blue whiting (Micromesistius poutassou) and hake (Merluccius merluccius) are the host species with the highest prevalence of anisakids. A higher parasitic load was also observed in fish caught in Atlantic waters compared to those of the Mediterranean.
Anisakids are parasitic nematodes that can accidentally affect humans. The present study tries to study the prevalence of anisakids in five fish species from three different markets in some localities in the province of Jaén. After the study of 410 fishes, 451 specimens of these parasites were obtained corresponding to three different species of anisakids. For its identification, morphological, morphometric and molecular analyzes were carried out. It was observed that Anisakis simplex is the most abundant parasitic anisakid species and that blue whiting (Micromesistius poutassou) and hake (Merluccius merluccius) are the host species with the highest prevalence of anisakids. A higher parasitic load was also observed in fish caught in Atlantic waters compared to those of the Mediterranean.