Correlation of water quality and parasite community in Cyprinus carpio var. koi in Pachuca de Soto, Hidalgo, Mexico
DOI:
https://doi.org/10.56926/repia.v5i1.145Keywords:
Centrocestus formosanus, ecological indices, pearson index, monogenean, zoonosesAbstract
Ornamental fish farming represents a high economic value worldwide; however, various environmental stressors can affect the health of these organisms. This study analyzed the parasite profile of 18 koi carp (Cyprinus carpio var. koi) and its correlation with water quality. A total of 223 parasites were observed, with a prevalence of 77.7 %. The parasite community showed a higher presence of the monogenean Gyrodactylus spp. (16.7 %) and the trematode Centrocestus formosanus (66.6 %). Water quality showed high levels of nitrates (61.1 ± 20.2 mg L-1), alkalinity (203.0 ± 124.0 mg L-1), and carbonates (263.0 ± 89.8 mg L-1), as well as a correlation between nitrogen compounds and the prevalence of monogeneans (r=0.6 and1.0), and a correlation between C. formosanus and nitrates (r=0.3) and pH (r=0.4). The correlation of environmental stressors with parasite loads in ornamental carp can provide crucial information for their management and marketing.
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Copyright (c) 2026 Gisel Villaseñor-Reyes, Paulina Nájera-Alemán, Víctor-Johan Acosta-Pérez, Jaqueline Rabling-Olivera, Jaqueline González-Vázquez, Karla-Paola Ubilla-Paredes, Irene-Sofía Bell-Palacios, Fabián-Ricardo Gómez-de-Anda, Andrea-Paloma Zepeda-Velázquez

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