Reproduction of rabbits under tropical conditions, negative effects and possible solutions

Reproduction of rabbits under tropical conditions, negative effects and possible solutions

The digestive physiology and reproductive capacity of the rabbit make it a species with potential for meat production. In a temperate climate, its adequate reproductive management allows to obtain between 6 and 10 annual litters per female with 6 up to 12 kits per litter. In tropical areas, heat str...

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Main Authors: Cruz-Bacab, Luis Eliezer, Ramírez-Vera, Santiago, Vázquez-García, Marisa Del Carmen, Zapata-Campos, Cecilia Carmela
Format: Online
Language:spa
Published: Universidad Autónoma de Tamaulipas 2018
Online Access:https://revistaciencia.uat.edu.mx/index.php/CienciaUAT/article/view/989
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spelling oai:ojs.pkp.sfu.ca:article-9892020-08-24T17:27:15Z Reproduction of rabbits under tropical conditions, negative effects and possible solutions Reproducción de conejos bajo condiciones tropicales, efectos negativos y posibles soluciones Cruz-Bacab, Luis Eliezer Ramírez-Vera, Santiago Vázquez-García, Marisa Del Carmen Zapata-Campos, Cecilia Carmela tropical conditions rabbits heat stress Oryctolagus cuniculus reproductive performance condiciones tropicales conejos estrés calórico Oryctolagus cuniculus comportamiento reproductivo The digestive physiology and reproductive capacity of the rabbit make it a species with potential for meat production. In a temperate climate, its adequate reproductive management allows to obtain between 6 and 10 annual litters per female with 6 up to 12 kits per litter. In tropical areas, heat stress alters metabolism and hormonal function, decreasing their reproductive capacity. In females, the main changes include an increase in the secretion of corticosteroids, modifying the secretion of gonadotropinreleasing  hormone (GnRH), stimulating follicle hormone (FSH) and luteinizing hormone (LH), decreasing the growth and follicular development, oocyte quality and ovulation, and with it the number of births and size of litter. In males, libido and ability to mate are affected. In the seminal quality, a decrease of 7.8 % in volume, 7.7 % in concentration, 1.7 % in morphology and 5.5 % in motility is observed. The objective of the present work was to describe the strategies used to reduce the caloric stress. These included regulating the temperature in the facilities, supplementary food, crossing of local breeds with improved breeds, development of genetic lines for tropical climates, implementation of reproductive biotechnologies such as artificial insemination or cryopreservation of semen, improving the reproductive behavior of the rabbit under tropical conditions. La fisiología digestiva y capacidad reproductiva hacen del conejo una especie con potencial para la producción de carne. En clima templado, su adecuado manejo reproductivo permite obtener entre 6 y 10 partos anuales con camadas de 6 y hasta 12 gazapos. En zonas tropicales, el estrés calórico disminuye su capacidad reproductiva. Las hembras presentan un incremento en la secreción de corticosteroides, modificando la secreción de la hormona liberadora de gonadotropina (GnRH), la hormona estimulante del folículo (FSH) y la hormona luteinizante (LH), disminuyendo el crecimiento y desarrollo folicular, calidad de ovocitos y la ovulación, y con ello el número de partos y tamaño de camada. En los machos se afecta la libido y la capacidad de monta. En la calidad seminal, disminuye 7.8 %  el volumen, 7.7 % la concentración, 1.7 % la morfología y 5.5 % la motilidad. El objetivo del presente trabajo fue describir las estrategias utilizadas para disminuir el estrés calórico, que incluyó regular la temperatura en las instalaciones, suplementos alimenticios, cruzamiento de razas locales con razas mejoradas, desarrollo de líneas genéticas para climas tropicales, implementación de biotecnologías reproductivas como la inseminación artificial o criopreservación de semen, mejorando el comportamiento reproductivo del conejo bajo condiciones  tropicales Universidad Autónoma de Tamaulipas 2018-07-19 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf text/html application/xml https://revistaciencia.uat.edu.mx/index.php/CienciaUAT/article/view/989 10.29059/cienciauat.v13i1.989 CienciaUAT; Vol 13 No. 1. July-December 2018; 135-145 CienciaUAT; Vol. 13 No. 1: Julio-Diciembre 2018; 135-145 2007-7858 2007-7521 spa https://revistaciencia.uat.edu.mx/index.php/CienciaUAT/article/view/989/433 https://revistaciencia.uat.edu.mx/index.php/CienciaUAT/article/view/989/469 https://revistaciencia.uat.edu.mx/index.php/CienciaUAT/article/view/989/661 Derechos de autor 2018 CienciaUAT
institution CIENCIA UAT
collection OJS
language spa
format Online
author Cruz-Bacab, Luis Eliezer
Ramírez-Vera, Santiago
Vázquez-García, Marisa Del Carmen
Zapata-Campos, Cecilia Carmela
spellingShingle Cruz-Bacab, Luis Eliezer
Ramírez-Vera, Santiago
Vázquez-García, Marisa Del Carmen
Zapata-Campos, Cecilia Carmela
Reproduction of rabbits under tropical conditions, negative effects and possible solutions
author_facet Cruz-Bacab, Luis Eliezer
Ramírez-Vera, Santiago
Vázquez-García, Marisa Del Carmen
Zapata-Campos, Cecilia Carmela
author_sort Cruz-Bacab, Luis Eliezer
title Reproduction of rabbits under tropical conditions, negative effects and possible solutions
title_short Reproduction of rabbits under tropical conditions, negative effects and possible solutions
title_full Reproduction of rabbits under tropical conditions, negative effects and possible solutions
title_fullStr Reproduction of rabbits under tropical conditions, negative effects and possible solutions
title_full_unstemmed Reproduction of rabbits under tropical conditions, negative effects and possible solutions
title_sort reproduction of rabbits under tropical conditions, negative effects and possible solutions
description The digestive physiology and reproductive capacity of the rabbit make it a species with potential for meat production. In a temperate climate, its adequate reproductive management allows to obtain between 6 and 10 annual litters per female with 6 up to 12 kits per litter. In tropical areas, heat stress alters metabolism and hormonal function, decreasing their reproductive capacity. In females, the main changes include an increase in the secretion of corticosteroids, modifying the secretion of gonadotropinreleasing  hormone (GnRH), stimulating follicle hormone (FSH) and luteinizing hormone (LH), decreasing the growth and follicular development, oocyte quality and ovulation, and with it the number of births and size of litter. In males, libido and ability to mate are affected. In the seminal quality, a decrease of 7.8 % in volume, 7.7 % in concentration, 1.7 % in morphology and 5.5 % in motility is observed. The objective of the present work was to describe the strategies used to reduce the caloric stress. These included regulating the temperature in the facilities, supplementary food, crossing of local breeds with improved breeds, development of genetic lines for tropical climates, implementation of reproductive biotechnologies such as artificial insemination or cryopreservation of semen, improving the reproductive behavior of the rabbit under tropical conditions.
publisher Universidad Autónoma de Tamaulipas
publishDate 2018
url https://revistaciencia.uat.edu.mx/index.php/CienciaUAT/article/view/989
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