Crossing strategy for breeding campero chickens. An inta-university collaborative project
Campero chicken is a bird destined to production systems alternative to the industrial one. Campero INTA is a two-way cross between synthetic populations generated by INTA in Pergamino. These populations have remained closed and with a low effective size with the consequent detrimental effect associated with inbreeding depression. To have a dual-purpose population with adequate meat and egg production levels and rusticity to be used in semi-intensive systems that preserve animal welfare, a survey program of the available genetic resource was implemented and a crossbreeding plan to produce a terminal three-way hybrid was designed. The sequence included the evaluation of five maternal synthetic populations (A, E, DE, ES and CE), the selection of two of them (ES and A), their characterization in two-way reciprocal crosses [(ESxA) and (AxES)], the choice of the alternative (ESxA) as female parent and its crossing by roosters of the improved paternal line AH’ to obtain the Campero Casilda chicken as the final product. The evaluation of their growth pattern, body conformation, conversion ratio and productive characters at slaughter indicate that both males and females satisfied the requirements as birds destined for meat production established in the respective protocol. The evaluation of productive characters at sexual maturity, dynamic pattern of egg weight gain and laying curves allowed to qualify the females as layers.
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Format: | info:ar-repo/semantics/artículo biblioteca |
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Sociedad Argentina de Genética
2021-12
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Subjects: | Avicultura, Huevos, Gallina Ponedora, Producción de Carne, Aviculture, Aves, Eggs, Layer Chickens, Meat Production, Faena, Pollos Camperos Casilda, |
Online Access: | http://hdl.handle.net/20.500.12123/13168 https://sag.org.ar/jbag/wp-content/uploads/2021/12/BAG_VXXXII_Issue2_2021_ART7.pdf https://doi.org/10.35407/bag.2021.32.02.07 |
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Avicultura Huevos Gallina Ponedora Producción de Carne Aviculture Aves Eggs Layer Chickens Meat Production Faena Pollos Camperos Casilda Avicultura Huevos Gallina Ponedora Producción de Carne Aviculture Aves Eggs Layer Chickens Meat Production Faena Pollos Camperos Casilda |
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Avicultura Huevos Gallina Ponedora Producción de Carne Aviculture Aves Eggs Layer Chickens Meat Production Faena Pollos Camperos Casilda Avicultura Huevos Gallina Ponedora Producción de Carne Aviculture Aves Eggs Layer Chickens Meat Production Faena Pollos Camperos Casilda Canet, Zulma Edith Dottavio, Ana María Romera, Bernardo Martín Librerá, José Ernesto Advínculo, Sabrina A. Martines, Araceli Di Masso, Ricardo José Crossing strategy for breeding campero chickens. An inta-university collaborative project |
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Campero chicken is a bird destined to production systems alternative to the industrial one. Campero INTA is a two-way cross between synthetic populations generated by INTA in Pergamino. These populations have remained closed and with a low effective size with the consequent detrimental effect associated with inbreeding depression. To have a dual-purpose population with adequate meat and egg production levels and rusticity to be used in semi-intensive systems that preserve animal welfare, a survey program of the available genetic resource was implemented and a crossbreeding plan to produce a terminal three-way hybrid was designed. The sequence included the evaluation of five maternal synthetic populations (A, E, DE, ES and CE), the selection of two of them (ES and A), their characterization in two-way reciprocal crosses [(ESxA) and (AxES)], the choice of the alternative (ESxA) as female parent and its crossing by roosters of the improved paternal line AH’ to obtain the Campero Casilda chicken as the final product. The evaluation of their growth pattern, body conformation, conversion ratio and productive characters at slaughter indicate that both males and females satisfied the requirements as birds destined for meat production established in the respective protocol. The evaluation of productive characters at sexual maturity, dynamic pattern of egg weight gain and laying curves allowed to qualify the females as layers. |
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info:ar-repo/semantics/artículo |
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Avicultura Huevos Gallina Ponedora Producción de Carne Aviculture Aves Eggs Layer Chickens Meat Production Faena Pollos Camperos Casilda |
author |
Canet, Zulma Edith Dottavio, Ana María Romera, Bernardo Martín Librerá, José Ernesto Advínculo, Sabrina A. Martines, Araceli Di Masso, Ricardo José |
author_facet |
Canet, Zulma Edith Dottavio, Ana María Romera, Bernardo Martín Librerá, José Ernesto Advínculo, Sabrina A. Martines, Araceli Di Masso, Ricardo José |
author_sort |
Canet, Zulma Edith |
title |
Crossing strategy for breeding campero chickens. An inta-university collaborative project |
title_short |
Crossing strategy for breeding campero chickens. An inta-university collaborative project |
title_full |
Crossing strategy for breeding campero chickens. An inta-university collaborative project |
title_fullStr |
Crossing strategy for breeding campero chickens. An inta-university collaborative project |
title_full_unstemmed |
Crossing strategy for breeding campero chickens. An inta-university collaborative project |
title_sort |
crossing strategy for breeding campero chickens. an inta-university collaborative project |
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Sociedad Argentina de Genética |
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2021-12 |
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http://hdl.handle.net/20.500.12123/13168 https://sag.org.ar/jbag/wp-content/uploads/2021/12/BAG_VXXXII_Issue2_2021_ART7.pdf https://doi.org/10.35407/bag.2021.32.02.07 |
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oai:localhost:20.500.12123-131682023-03-13T14:50:07Z Crossing strategy for breeding campero chickens. An inta-university collaborative project Estrategia de cruzamientos para el mejoramiento de pollos camperos. Un proyecto colaborativo INTA-Universidad Canet, Zulma Edith Dottavio, Ana María Romera, Bernardo Martín Librerá, José Ernesto Advínculo, Sabrina A. Martines, Araceli Di Masso, Ricardo José Avicultura Huevos Gallina Ponedora Producción de Carne Aviculture Aves Eggs Layer Chickens Meat Production Faena Pollos Camperos Casilda Campero chicken is a bird destined to production systems alternative to the industrial one. Campero INTA is a two-way cross between synthetic populations generated by INTA in Pergamino. These populations have remained closed and with a low effective size with the consequent detrimental effect associated with inbreeding depression. To have a dual-purpose population with adequate meat and egg production levels and rusticity to be used in semi-intensive systems that preserve animal welfare, a survey program of the available genetic resource was implemented and a crossbreeding plan to produce a terminal three-way hybrid was designed. The sequence included the evaluation of five maternal synthetic populations (A, E, DE, ES and CE), the selection of two of them (ES and A), their characterization in two-way reciprocal crosses [(ESxA) and (AxES)], the choice of the alternative (ESxA) as female parent and its crossing by roosters of the improved paternal line AH’ to obtain the Campero Casilda chicken as the final product. The evaluation of their growth pattern, body conformation, conversion ratio and productive characters at slaughter indicate that both males and females satisfied the requirements as birds destined for meat production established in the respective protocol. The evaluation of productive characters at sexual maturity, dynamic pattern of egg weight gain and laying curves allowed to qualify the females as layers. El pollo campero es un ave destinado a sistemas productivos alternativos al industrial. Campero INTA es un cruzamiento simple entre poblaciones sintéticas generadas por INTA en Pergamino. Estas poblaciones se han mantenido cerradas y con bajo tamaño efectivo con el consiguiente efecto detrimental asociado a fenómenos de depresión endogámica. Con el objetivo de disponer de una población doble propósito con adecuados niveles productivos de carne y huevos y de rusticidad para ser utilizada en sistemas semi-intensivos que preservan el bienestar animal, se implementó un programa de relevamiento del recurso genético disponible y se diseñó un plan de cruzamientos dirigido a la producción de un híbrido terminal de tres vías. La secuencia incluyó la evaluación de cinco poblaciones sintéticas maternas (A, E, DE, ES y CE), la selección de dos de ellas (ES y A), su caracterización en cruzamientos simples recíprocos [(ESxA) y (AxES)], la elección de la alternativa (ESxA) como progenitor femenino y su cruzamiento por gallos de la estirpe paterna mejorada AH’ para la obtención como producto final del pollo Campero Casilda. La evaluación de su patrón de crecimiento, conformación corporal, relación de conversión y caracteres productivos a la faena indican que tanto los machos como las hembras cumplen, como aves destinadas a la producción de carne, con las exigencias establecidas en el protocolo respectivo. La evaluación de los caracteres productivos a la madurez sexual, el patrón dinámico de aumento de peso del huevo y las curvas de postura califican a las hembras para su utilización como ponedoras. Estación Experimental Agropecuaria Pergamino Fil: Canet, Zulma Edith. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Pergamino. Sección Avicultura; Argentina Fil: Canet, Zulma Edith. Universidad Nacional de Rosario. Facultad de Ciencias Veterinarias. Cátedra de genética; Argentina. Fil: Dottavio, Ana María. Universidad Nacional de Rosario. Facultad de Ciencias Veterinarias. Cátedra de genética; Argentina Fil: Romera, Bernardo Martín. Universidad Nacional de Rosario. Facultad de Ciencias Veterinarias. Cátedra de Genética; Argentina Fil: Romera, Bernardo Martín. Programa Estratégico de Formación de Recursos Humanos en Investigación y Desarrollo (PERHID). Becario; Argentina Fil: Librera, José Ernesto. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Pergamino. Sección Avicultura; Argentina. Fil: Librera, José Ernesto Universidad Nacional de Rosario. Facultad de Ciencias Veterinarias. Cátedra de Genética; Argentina Fil: Advínculo, S.A. Universidad Nacional de Rosario. Facultad de Ciencias Veterinarias. Cátedra de Genética; Argentina Fil: Martines, Araceli. Universidad Nacional de Rosario. Facultad de Ciencias Veterinarias. Cátedra de Genética; Argentina Fil: Di Masso, Ricardo José. Universidad Nacional de Rosario. Facultad de Ciencias Veterinarias Cátedra de genética; Argentina. 2022-10-20T12:50:14Z 2022-10-20T12:50:14Z 2021-12 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/13168 https://sag.org.ar/jbag/wp-content/uploads/2021/12/BAG_VXXXII_Issue2_2021_ART7.pdf 1852-6233 https://doi.org/10.35407/bag.2021.32.02.07 spa info:eu-repograntAgreement/INTA/PNPA-1126024/AR./Bienestar animal y calidad de carnes. info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Sociedad Argentina de Genética BAG. Journal of basic and applied genetics 32 (2) : 59-70. (Dic 2021) |