Citas bibligráficas
Guevara, N., (2023). Frecuencia de parásitos y lesiones histopatológicas en branquias de tilapia (Oreochromis niloticus) bajo crianza semi intensiva del distrito de la Banda de Shilcayo [Universidad Nacional de San Martín. Fondo Editorial]. http://hdl.handle.net/11458/5178
Guevara, N., Frecuencia de parásitos y lesiones histopatológicas en branquias de tilapia (Oreochromis niloticus) bajo crianza semi intensiva del distrito de la Banda de Shilcayo []. PE: Universidad Nacional de San Martín. Fondo Editorial; 2023. http://hdl.handle.net/11458/5178
@misc{renati/1054682,
title = "Frecuencia de parásitos y lesiones histopatológicas en branquias de tilapia (Oreochromis niloticus) bajo crianza semi intensiva del distrito de la Banda de Shilcayo",
author = "Guevara Rubio, Noe Yony",
publisher = "Universidad Nacional de San Martín. Fondo Editorial",
year = "2023"
}
The objective of this research was to determine the presence of ectoparasites in the gills of 100 tilapia (Oreochromis niloticus) from four nearby fish farms located at Km 5 of the road in the Bello Horizonte sector, Canal Corcuera, district of the Banda de Shilcayo, San Martin, Peru, between January and March 2021 as well as to describe the histopathological lesions of the gills. Physical characteristics such as temperature and pH of the ponds were measured, as well as their density and dimensions. The specimens were collected and transported to the Laboratory of Animal Histopathology of the Veterinary Medicine School of the National University of San Martin. Subsequently, the gills of both sides of the fish were collected for the localization, collection and fixation of the ectoparasites of each gill arch in order to visualize and identify them. The results showed that 35% (35/100) of the fish were infested with one or more ectoparasites. The presence of monogeneans of the genus Chclidogyrus sp., family Dactylogyridae, 21% (21/100), of the protozoan Trichodina sp. 8% (8/100) and arthropods of the subclass Copepoda (4/100) were determined using the identification keys of Cohen et al., 2013 and Thatcher, 2006. The frequency of histopathological lesions revealed a higher frequency of adaptive lesions (lamella hyperplasia) (52%) and less frequent degenerative disorders (lamella necrosis) (17%). No parasitic forms were evidenced at the histopathological level but the damage could be associated with parasitic, infectious and water quality agents.
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