Frequency and parasite load in gills of cachama fry (Colossoma macropomum) through direct examinations in three fish farms in Ucayali, Peru
Descripción del Articulo
The aim of this study was to determine the frequency and load of ectoparasites in gills of cachama fry from three semi-intensive farming fish farms in the province of Coronel Portillo, Ucayali, Peru. Sixty fingerlings (35-45 days old) were selected from each of the three fingerling supply establishm...
Autores: | , , , |
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Formato: | artículo |
Fecha de Publicación: | 2021 |
Institución: | Universidad Nacional Mayor de San Marcos |
Repositorio: | Revista UNMSM - Revista de Investigaciones Veterinarias del Perú |
Lenguaje: | español |
OAI Identifier: | oai:ojs.csi.unmsm:article/20010 |
Enlace del recurso: | https://revistasinvestigacion.unmsm.edu.pe/index.php/veterinaria/article/view/20010 |
Nivel de acceso: | acceso abierto |
Materia: | fingerlings cachama ectoparasites fish farms direct examinations Ucayali alevinos gamitana ectoparásitos piscigranjas exámenes directos |
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1609-9117 |
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Revista UNMSM - Revista de Investigaciones Veterinarias del Perú |
dc.title.none.fl_str_mv |
Frequency and parasite load in gills of cachama fry (Colossoma macropomum) through direct examinations in three fish farms in Ucayali, Peru Frecuencia y carga parasitaria en branquias de alevinos de gamitana (Colossoma macropomum) mediante exámenes directos en tres establecimientos piscícolas de Ucayali, Perú |
title |
Frequency and parasite load in gills of cachama fry (Colossoma macropomum) through direct examinations in three fish farms in Ucayali, Peru |
spellingShingle |
Frequency and parasite load in gills of cachama fry (Colossoma macropomum) through direct examinations in three fish farms in Ucayali, Peru Rondón E., Juan fingerlings cachama ectoparasites fish farms direct examinations Ucayali alevinos gamitana ectoparásitos piscigranjas exámenes directos Ucayali |
title_short |
Frequency and parasite load in gills of cachama fry (Colossoma macropomum) through direct examinations in three fish farms in Ucayali, Peru |
title_full |
Frequency and parasite load in gills of cachama fry (Colossoma macropomum) through direct examinations in three fish farms in Ucayali, Peru |
title_fullStr |
Frequency and parasite load in gills of cachama fry (Colossoma macropomum) through direct examinations in three fish farms in Ucayali, Peru |
title_full_unstemmed |
Frequency and parasite load in gills of cachama fry (Colossoma macropomum) through direct examinations in three fish farms in Ucayali, Peru |
title_sort |
Frequency and parasite load in gills of cachama fry (Colossoma macropomum) through direct examinations in three fish farms in Ucayali, Peru |
dc.creator.none.fl_str_mv |
Rondón E., Juan Villanueva C., César Del Águila L., Roberto Sandoval C., Nieves |
author |
Rondón E., Juan |
author_facet |
Rondón E., Juan Villanueva C., César Del Águila L., Roberto Sandoval C., Nieves |
author_role |
author |
author2 |
Villanueva C., César Del Águila L., Roberto Sandoval C., Nieves |
author2_role |
author author author |
dc.subject.none.fl_str_mv |
fingerlings cachama ectoparasites fish farms direct examinations Ucayali alevinos gamitana ectoparásitos piscigranjas exámenes directos Ucayali |
topic |
fingerlings cachama ectoparasites fish farms direct examinations Ucayali alevinos gamitana ectoparásitos piscigranjas exámenes directos Ucayali |
dc.description.none.fl_txt_mv |
The aim of this study was to determine the frequency and load of ectoparasites in gills of cachama fry from three semi-intensive farming fish farms in the province of Coronel Portillo, Ucayali, Peru. Sixty fingerlings (35-45 days old) were selected from each of the three fingerling supply establishments (E1, E2 and E3), reared at similar density and feeding conditions. Three fresh gill layer sections were evaluated from both sides, by visual observation with a 2x magnifying glass to detect crustaceans and by direct microscopy at 10x for trematodes and at 40x for protozoa. Four degrees of infestation were considered; null (0 parasites), mild (1-3), moderate (4-7) and severe (>8). It was possible to identify mainly forms compatible with monogeneans of the Dactylogyridae family, compatible with Dactylogyrus spp (41.1%) and protozoa, mostly of the Oodiniaceae family, compatible with Piscinodinium spp (10.6%). No crustaceans were found. The frequencies of infestations were 28.3, 86.7 and 18.3% in E1, E2 and E3, respectively. Parasitic loads were mostly light (87.5, 53.8 and 83.3% for monogeneans and 80, 70 and 100% for protozoa, in E1, E2, and E3, respectively). The results suggest a lower sanitary condition in the E2 fingerlings. It is concluded that there was a higher frequency of infestations by monogeneans and light parasite loads in gills of cachama fry from the three fish farms evaluated by direct examinations. El objetivo del estudio fue determinar la frecuencia y carga de ectoparásitos en branquias de alevinos de gamitana procedentes de tres establecimientos piscícolas de crianza semi-intensiva en la provincia de Coronel Portillo, Ucayali, Perú. Se seleccionaron 60 alevinos (35-45 días de edad) por cada uno de los tres establecimientos proveedores de alevinos (E1, E2 y E3), criados a condiciones similares en densidad y alimentación. Se evaluaron tres secciones de capas branquiales de ambos lados en fresco, mediante observación visual con una lupa a 2x para detectar crustáceos y mediante microscopía directa a 10x para trematodos y a 40x para protozoarios. Se consideraron cuatro grados de infestación; nulo (0 parásitos), leves (1-3), moderado (4-7) y severo (>8). Se logró identificar principalmente formas compatibles con monogeneos de la familia Dactylogyridae, compatibles con Dactylogyrus spp (41.1%) y protozoarios, mayormente de la familia Oodiniaceae, compatibles con Piscinodinium spp (10.6%). No se encontraron crustáceos. Las frecuencias de infestaciones fueron de 28.3, 86.7 y 18.3% en E1, E2 y E3, respectivamente. Las cargas parasitarias fueron mayormente leves (87.5, 53.8 y 83.3% para monogeneos y 80, 70 y 100% para protozoarios, en E1, E2, y E3, respectivamente). Los resultados sugieren una menor condición sanitaria en los alevinos del E2. Se concluye que hubo mayor frecuencia de infestaciones por monogeneos y cargas parasitarias leves en branquias de alevinos de gamitanas de las tres piscigranjas evaluadas mediante exámenes directos. |
description |
The aim of this study was to determine the frequency and load of ectoparasites in gills of cachama fry from three semi-intensive farming fish farms in the province of Coronel Portillo, Ucayali, Peru. Sixty fingerlings (35-45 days old) were selected from each of the three fingerling supply establishments (E1, E2 and E3), reared at similar density and feeding conditions. Three fresh gill layer sections were evaluated from both sides, by visual observation with a 2x magnifying glass to detect crustaceans and by direct microscopy at 10x for trematodes and at 40x for protozoa. Four degrees of infestation were considered; null (0 parasites), mild (1-3), moderate (4-7) and severe (>8). It was possible to identify mainly forms compatible with monogeneans of the Dactylogyridae family, compatible with Dactylogyrus spp (41.1%) and protozoa, mostly of the Oodiniaceae family, compatible with Piscinodinium spp (10.6%). No crustaceans were found. The frequencies of infestations were 28.3, 86.7 and 18.3% in E1, E2 and E3, respectively. Parasitic loads were mostly light (87.5, 53.8 and 83.3% for monogeneans and 80, 70 and 100% for protozoa, in E1, E2, and E3, respectively). The results suggest a lower sanitary condition in the E2 fingerlings. It is concluded that there was a higher frequency of infestations by monogeneans and light parasite loads in gills of cachama fry from the three fish farms evaluated by direct examinations. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-04-22 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
https://revistasinvestigacion.unmsm.edu.pe/index.php/veterinaria/article/view/20010 10.15381/rivep.v32i2.20010 |
url |
https://revistasinvestigacion.unmsm.edu.pe/index.php/veterinaria/article/view/20010 |
identifier_str_mv |
10.15381/rivep.v32i2.20010 |
dc.language.none.fl_str_mv |
spa |
language |
spa |
dc.relation.none.fl_str_mv |
https://revistasinvestigacion.unmsm.edu.pe/index.php/veterinaria/article/view/20010/16541 |
dc.rights.none.fl_str_mv |
Derechos de autor 2021 Juan Rondón E., César Villanueva C., Roberto Del Águila L., Nieves Sandoval C. http://creativecommons.org/licenses/by/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Derechos de autor 2021 Juan Rondón E., César Villanueva C., Roberto Del Águila L., Nieves Sandoval C. http://creativecommons.org/licenses/by/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidad Nacional Mayor de San Marcos, Facultad de Medicina Veterinaria |
publisher.none.fl_str_mv |
Universidad Nacional Mayor de San Marcos, Facultad de Medicina Veterinaria |
dc.source.none.fl_str_mv |
Revista de Investigaciones Veterinarias del Perú; Vol 32 No 2 (2021); e20010 Revista de Investigaciones Veterinarias del Perú; Vol. 32 Núm. 2 (2021); e20010 1682-3419 1609-9117 reponame:Revista UNMSM - Revista de Investigaciones Veterinarias del Perú instname:Universidad Nacional Mayor de San Marcos instacron:UNMSM |
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Revista UNMSM - Revista de Investigaciones Veterinarias del Perú |
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Revista UNMSM - Revista de Investigaciones Veterinarias del Perú |
instname_str |
Universidad Nacional Mayor de San Marcos |
instacron_str |
UNMSM |
institution |
UNMSM |
repository.name.fl_str_mv |
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|
repository.mail.fl_str_mv |
mail@mail.com |
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1701389178173915136 |
spelling |
Frequency and parasite load in gills of cachama fry (Colossoma macropomum) through direct examinations in three fish farms in Ucayali, PeruFrecuencia y carga parasitaria en branquias de alevinos de gamitana (Colossoma macropomum) mediante exámenes directos en tres establecimientos piscícolas de Ucayali, PerúRondón E., JuanVillanueva C., CésarDel Águila L., RobertoSandoval C., Nievesfingerlingscachamaectoparasitesfish farmsdirect examinationsUcayalialevinosgamitanaectoparásitospiscigranjasexámenes directosUcayaliThe aim of this study was to determine the frequency and load of ectoparasites in gills of cachama fry from three semi-intensive farming fish farms in the province of Coronel Portillo, Ucayali, Peru. Sixty fingerlings (35-45 days old) were selected from each of the three fingerling supply establishments (E1, E2 and E3), reared at similar density and feeding conditions. Three fresh gill layer sections were evaluated from both sides, by visual observation with a 2x magnifying glass to detect crustaceans and by direct microscopy at 10x for trematodes and at 40x for protozoa. Four degrees of infestation were considered; null (0 parasites), mild (1-3), moderate (4-7) and severe (>8). It was possible to identify mainly forms compatible with monogeneans of the Dactylogyridae family, compatible with Dactylogyrus spp (41.1%) and protozoa, mostly of the Oodiniaceae family, compatible with Piscinodinium spp (10.6%). No crustaceans were found. The frequencies of infestations were 28.3, 86.7 and 18.3% in E1, E2 and E3, respectively. Parasitic loads were mostly light (87.5, 53.8 and 83.3% for monogeneans and 80, 70 and 100% for protozoa, in E1, E2, and E3, respectively). The results suggest a lower sanitary condition in the E2 fingerlings. It is concluded that there was a higher frequency of infestations by monogeneans and light parasite loads in gills of cachama fry from the three fish farms evaluated by direct examinations.El objetivo del estudio fue determinar la frecuencia y carga de ectoparásitos en branquias de alevinos de gamitana procedentes de tres establecimientos piscícolas de crianza semi-intensiva en la provincia de Coronel Portillo, Ucayali, Perú. Se seleccionaron 60 alevinos (35-45 días de edad) por cada uno de los tres establecimientos proveedores de alevinos (E1, E2 y E3), criados a condiciones similares en densidad y alimentación. Se evaluaron tres secciones de capas branquiales de ambos lados en fresco, mediante observación visual con una lupa a 2x para detectar crustáceos y mediante microscopía directa a 10x para trematodos y a 40x para protozoarios. Se consideraron cuatro grados de infestación; nulo (0 parásitos), leves (1-3), moderado (4-7) y severo (>8). Se logró identificar principalmente formas compatibles con monogeneos de la familia Dactylogyridae, compatibles con Dactylogyrus spp (41.1%) y protozoarios, mayormente de la familia Oodiniaceae, compatibles con Piscinodinium spp (10.6%). No se encontraron crustáceos. Las frecuencias de infestaciones fueron de 28.3, 86.7 y 18.3% en E1, E2 y E3, respectivamente. Las cargas parasitarias fueron mayormente leves (87.5, 53.8 y 83.3% para monogeneos y 80, 70 y 100% para protozoarios, en E1, E2, y E3, respectivamente). Los resultados sugieren una menor condición sanitaria en los alevinos del E2. Se concluye que hubo mayor frecuencia de infestaciones por monogeneos y cargas parasitarias leves en branquias de alevinos de gamitanas de las tres piscigranjas evaluadas mediante exámenes directos.Universidad Nacional Mayor de San Marcos, Facultad de Medicina Veterinaria2021-04-22info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://revistasinvestigacion.unmsm.edu.pe/index.php/veterinaria/article/view/2001010.15381/rivep.v32i2.20010Revista de Investigaciones Veterinarias del Perú; Vol 32 No 2 (2021); e20010Revista de Investigaciones Veterinarias del Perú; Vol. 32 Núm. 2 (2021); e200101682-34191609-9117reponame:Revista UNMSM - Revista de Investigaciones Veterinarias del Perúinstname:Universidad Nacional Mayor de San Marcosinstacron:UNMSMspahttps://revistasinvestigacion.unmsm.edu.pe/index.php/veterinaria/article/view/20010/16541Derechos de autor 2021 Juan Rondón E., César Villanueva C., Roberto Del Águila L., Nieves Sandoval C.http://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccess2021-06-01T18:11:11Zmail@mail.com - |
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13.959468 |
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La información contenida en este registro es de entera responsabilidad de la institución que gestiona el repositorio institucional donde esta contenido este documento o set de datos. El CONCYTEC no se hace responsable por los contenidos (publicaciones y/o datos) accesibles a través del Repositorio Nacional Digital de Ciencia, Tecnología e Innovación de Acceso Abierto (ALICIA).