Morphological and histological characteristics of ovaries from two genetic groups of guinea pigs (Cavia porcellus) from South America
Descripción del Articulo
This study aimed to describe morphological and histological characteristics of ovaries of two genetic groups of guinea pigs from Latin America. Ovaries from 20 improved and 20 native guinea pigs were collected after slaughtering. One ovary from each animal was weighed, measured, counted for visible...
Autores: | , , , , , , , |
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Formato: | artículo |
Fecha de Publicación: | 2022 |
Institución: | Universidad Nacional Mayor de San Marcos |
Repositorio: | Revistas - Universidad Nacional Mayor de San Marcos |
Lenguaje: | inglés |
OAI Identifier: | oai:ojs.csi.unmsm:article/23349 |
Enlace del recurso: | https://revistasinvestigacion.unmsm.edu.pe/index.php/veterinaria/article/view/23349 |
Nivel de acceso: | acceso abierto |
Materia: | guinea pigs ovary morphology follicles oocytes cuy morfología del ovario folículos ovocitos |
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Revistas - Universidad Nacional Mayor de San Marcos |
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dc.title.none.fl_str_mv |
Morphological and histological characteristics of ovaries from two genetic groups of guinea pigs (Cavia porcellus) from South America Características morfológicas e histológicas de los ovarios de dos grupos genéticos de cuyes (Cavia porcellus) de América del Sur |
title |
Morphological and histological characteristics of ovaries from two genetic groups of guinea pigs (Cavia porcellus) from South America |
spellingShingle |
Morphological and histological characteristics of ovaries from two genetic groups of guinea pigs (Cavia porcellus) from South America Fernández, Estefanía A. guinea pigs ovary morphology follicles oocytes cuy morfología del ovario folículos ovocitos |
title_short |
Morphological and histological characteristics of ovaries from two genetic groups of guinea pigs (Cavia porcellus) from South America |
title_full |
Morphological and histological characteristics of ovaries from two genetic groups of guinea pigs (Cavia porcellus) from South America |
title_fullStr |
Morphological and histological characteristics of ovaries from two genetic groups of guinea pigs (Cavia porcellus) from South America |
title_full_unstemmed |
Morphological and histological characteristics of ovaries from two genetic groups of guinea pigs (Cavia porcellus) from South America |
title_sort |
Morphological and histological characteristics of ovaries from two genetic groups of guinea pigs (Cavia porcellus) from South America |
dc.creator.none.fl_str_mv |
Fernández, Estefanía A. Rosales, Cornelio A. Garzón, Juan P. Argudo, Daniel E. Ayala, Luis E. Guevara, Guillermo E. Maldonado, Jaime E. Perea, Fernando P. Fernández, Estefanía A. Rosales, Cornelio A. Garzón, Juan P. Argudo, Daniel E. Ayala, Luis E. Guevara, Guillermo E. Maldonado, Jaime E. Perea, Fernando P. |
author |
Fernández, Estefanía A. |
author_facet |
Fernández, Estefanía A. Rosales, Cornelio A. Garzón, Juan P. Argudo, Daniel E. Ayala, Luis E. Guevara, Guillermo E. Maldonado, Jaime E. Perea, Fernando P. |
author_role |
author |
author2 |
Rosales, Cornelio A. Garzón, Juan P. Argudo, Daniel E. Ayala, Luis E. Guevara, Guillermo E. Maldonado, Jaime E. Perea, Fernando P. |
author2_role |
author author author author author author author |
dc.subject.none.fl_str_mv |
guinea pigs ovary morphology follicles oocytes cuy morfología del ovario folículos ovocitos |
topic |
guinea pigs ovary morphology follicles oocytes cuy morfología del ovario folículos ovocitos |
description |
This study aimed to describe morphological and histological characteristics of ovaries of two genetic groups of guinea pigs from Latin America. Ovaries from 20 improved and 20 native guinea pigs were collected after slaughtering. One ovary from each animal was weighed, measured, counted for visible follicles on the ovarian surface, and used for subsequent oocyte collection by the slicing method. Contralateral ovaries were used to prepare histological sections and quantify follicles. Body and ovary weight and ovary length were significantly greater in improved than in native guinea pigs (p<0.01). Ovarian weight was greater in diestrus than in proestrus (p=0.0632) only in improved animals. The number of primordial, primary, secondary, and total follicles did not differ between genetic groups. The number of antral follicles was significantly greater in improved than in native guinea pigs. The thickness of zona pellucida and oocyte diameter did not differ between groups. The thickness of the zona pellucida was significantly greater in oocytes of category A than B and C in both groups of guinea pigs. In conclusion, ovaries from improved guinea pigs were heavier and longer than those from native animals. The number of antral follicles was greater in improved than native guinea pigs. Zona pellucida thickness and oocyte diameter were similar in both groups of guinea pigs. |
publishDate |
2022 |
dc.date.none.fl_str_mv |
2022-08-31 |
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/23349 10.15381/rivep.v33i4.23349 |
url |
https://revistasinvestigacion.unmsm.edu.pe/index.php/veterinaria/article/view/23349 |
identifier_str_mv |
10.15381/rivep.v33i4.23349 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://revistasinvestigacion.unmsm.edu.pe/index.php/veterinaria/article/view/23349/18634 |
dc.rights.none.fl_str_mv |
http://creativecommons.org/licenses/by/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
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. 33 Núm. 4 (2022); e23349 Revista de Investigaciones Veterinarias del Perú; Vol. 33 No. 4 (2022); e23349 1682-3419 1609-9117 reponame:Revistas - Universidad Nacional Mayor de San Marcos instname:Universidad Nacional Mayor de San Marcos instacron:UNMSM |
instname_str |
Universidad Nacional Mayor de San Marcos |
instacron_str |
UNMSM |
institution |
UNMSM |
reponame_str |
Revistas - Universidad Nacional Mayor de San Marcos |
collection |
Revistas - Universidad Nacional Mayor de San Marcos |
repository.name.fl_str_mv |
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repository.mail.fl_str_mv |
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1795238238456119296 |
spelling |
Morphological and histological characteristics of ovaries from two genetic groups of guinea pigs (Cavia porcellus) from South AmericaCaracterísticas morfológicas e histológicas de los ovarios de dos grupos genéticos de cuyes (Cavia porcellus) de América del SurFernández, Estefanía A.Rosales, Cornelio A.Garzón, Juan P.Argudo, Daniel E.Ayala, Luis E.Guevara, Guillermo E.Maldonado, Jaime E.Perea, Fernando P.Fernández, Estefanía A.Rosales, Cornelio A.Garzón, Juan P.Argudo, Daniel E.Ayala, Luis E.Guevara, Guillermo E.Maldonado, Jaime E.Perea, Fernando P.guinea pigsovary morphologyfolliclesoocytescuymorfología del ovariofolículosovocitosThis study aimed to describe morphological and histological characteristics of ovaries of two genetic groups of guinea pigs from Latin America. Ovaries from 20 improved and 20 native guinea pigs were collected after slaughtering. One ovary from each animal was weighed, measured, counted for visible follicles on the ovarian surface, and used for subsequent oocyte collection by the slicing method. Contralateral ovaries were used to prepare histological sections and quantify follicles. Body and ovary weight and ovary length were significantly greater in improved than in native guinea pigs (p<0.01). Ovarian weight was greater in diestrus than in proestrus (p=0.0632) only in improved animals. The number of primordial, primary, secondary, and total follicles did not differ between genetic groups. The number of antral follicles was significantly greater in improved than in native guinea pigs. The thickness of zona pellucida and oocyte diameter did not differ between groups. The thickness of the zona pellucida was significantly greater in oocytes of category A than B and C in both groups of guinea pigs. In conclusion, ovaries from improved guinea pigs were heavier and longer than those from native animals. The number of antral follicles was greater in improved than native guinea pigs. Zona pellucida thickness and oocyte diameter were similar in both groups of guinea pigs.El estudio tuvo como objetivo describir las características morfológicas e histológicas de los ovarios de dos grupos genéticos de cuyes de América Latina. Se recolectaron ovarios de 20 cuyes mejorados y 20 nativos después del sacrificio. Se pesó y midió un ovario de cada animal, se contaron los folículos visibles en la superficie ovárica y se colectaron los ovocitos mediante cortes seriados de la corteza ovárica. Los ovarios contralaterales se utilizaron para preparar cortes histológicos y cuantificar los folículos. El peso corporal y la longitud y peso de los ovarios fueron significativamente mayores en los cuyes mejorados que en los nativos (p<0.01). El peso de los ovarios fue mayor en diestro que en proestro (p=0.0632) en los animales mejorados. El número de folículos primordiales, primarios, secundarios y totales no difirió entre los grupos genéticos. El número de folículos antrales fue significativamente mayor en los cuyes mejorados que en los nativos. El grosor de la zona pelúcida y el diámetro de los ovocitos no difirieron entre los grupos. El grosor de la zona pelúcida fue significativamente mayor en los ovocitos de la categoría A que en los de la B y C en ambos grupos de cuyes. En conclusión, los ovarios de los cuyes mejorados fueron más pesados y largos que los de los animales nativos. El número de folículos antrales fue mayor en los cutes mejorados que en los nativos. El grosor de la zona pelúcida y el diámetro de los ovocitos fueron similares en ambos grupos de cuyes.Universidad Nacional Mayor de San Marcos, Facultad de Medicina Veterinaria2022-08-31info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://revistasinvestigacion.unmsm.edu.pe/index.php/veterinaria/article/view/2334910.15381/rivep.v33i4.23349Revista de Investigaciones Veterinarias del Perú; Vol. 33 Núm. 4 (2022); e23349Revista de Investigaciones Veterinarias del Perú; Vol. 33 No. 4 (2022); e233491682-34191609-9117reponame:Revistas - Universidad Nacional Mayor de San Marcosinstname:Universidad Nacional Mayor de San Marcosinstacron:UNMSMenghttps://revistasinvestigacion.unmsm.edu.pe/index.php/veterinaria/article/view/23349/18634Derechos de autor 2022 Estefanía A. Fernández, Cornelio A. Rosales, Juan P. Garzón, Daniel E. Argudo, Luis E. Ayala, Guillermo E. Guevara, Jaime E. Maldonado, Fernando P. Pereahttp://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessoai:ojs.csi.unmsm:article/233492022-09-06T13:24:59Z |
score |
13.982926 |
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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).