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The objective of the current study was to evaluate the effects of breed and genomic inbreeding on 305-day lactation yields of milk, fat and protein; and fertility traits of pasture-based dairy cows in Argentina. The genomic inbreeding and heterozygosity of 890 first-lactation cows and 27 bulls were calculated through methods based on the genomic relationship matrix and run of homozygosity using 44 174 single-nucleotide polymorphisms. Cows were classified
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dc.contributor.author | Beribe, Maria Jose | |
dc.contributor.author | Carignano, Hugo Adrian | |
dc.contributor.author | Poli, Mario Andres | |
dc.contributor.author | Lopez-Villalobos, Nicolás | |
dc.date.accessioned | 2024-09-11T11:03:27Z | |
dc.date.available | 2024-09-11T11:03:27Z | |
dc.date.issued | 2024-08 | |
dc.identifier.issn | 0021-8596 | |
dc.identifier.issn | 1469-5146 (Online) | |
dc.identifier.other | https://doi.org/10.1017/S0021859624000273 | |
dc.identifier.uri | http://hdl.handle.net/20.500.12123/19338 | |
dc.identifier.uri | https://www.cambridge.org/core/journals/journal-of-agricultural-science/article/effects-of-breed-and-genomic-inbreeding-on-milk-fat-and-protein-lactation-yields-and-fertility-traits-in-pasturebased-dairy-cows-in-argentina/2BD5C67102D6AE26989E2B510DFF9198 | |
dc.description.abstract | The objective of the current study was to evaluate the effects of breed and genomic inbreeding on 305-day lactation yields of milk, fat and protein; and fertility traits of pasture-based dairy cows in Argentina. The genomic inbreeding and heterozygosity of 890 first-lactation cows and 27 bulls were calculated through methods based on the genomic relationship matrix and run of homozygosity using 44 174 single-nucleotide polymorphisms. Cows were classified into four breed groups: Holstein, Holstein crossbred, Holstein–Jersey crossbred and Jersey crossbred. The effect of genomic inbreeding was not significant on production traits, but inbred cows increased 3.0 days calving to conception interval (CCI) per 1% genomic inbreeding. On average, purebred Holstein cows produced 1119 kg milk, 22 kg fat and 30 kg protein more than Jersey crossbred cows. In the case of the fertility traits, Jersey crossbred cows had 45 days shorter CCI than purebred Holstein cows. A possible reason for the non-significant effects of genomic inbreeding of production and fertility traits is that these effects were evaluated in a crossbred population in which rates of heterozygosity would operate to some extent in the opposite direction to rates of genomic inbreeding. | eng |
dc.format | application/pdf | es_AR |
dc.language.iso | eng | es_AR |
dc.publisher | Cambridge University Press | es_AR |
dc.relation | info:eu-repograntAgreement/INTA/2023-PD-L01-I108, Mejora genética animal en la era de la genómica y la ganadería inteligente: adaptación y resiliencia | |
dc.rights | info:eu-repo/semantics/openAccess | es_AR |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-sa/4.0/ | es_AR |
dc.source | The Journal of Agricultural Science 162 : 1-9. (May 2024) | es_AR |
dc.subject | Ganado Bovino | es_AR |
dc.subject | Cattle | eng |
dc.subject | Vacas Lecheras | es_AR |
dc.subject | Dairy Cows | eng |
dc.subject | Producción Lechera | es_AR |
dc.subject | Milk Production | eng |
dc.subject | Intervalo entre Partos | es_AR |
dc.subject | Parturition Interval | eng |
dc.subject | Endogamia | es_AR |
dc.subject | Inbreeding | eng |
dc.subject | Métodos de Mejoramiento Genético | es_AR |
dc.subject | Breeding Methods | eng |
dc.subject | Argentina | |
dc.title | Effects of breed and genomic inbreeding on milk, fat and protein lactation yields and fertility traits in pasture-based dairy cows in Argentina | es_AR |
dc.type | info:ar-repo/semantics/artículo | es_AR |
dc.type | info:eu-repo/semantics/article | es_AR |
dc.type | info:eu-repo/semantics/publishedVersion | es_AR |
dc.rights.license | Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) | es_AR |
dc.description.origen | EEA Pergamino | es_AR |
dc.description.fil | Fil: Beribe, María José. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Pergamino. Sección Estadística; Argentina | es_AR |
dc.description.fil | Fil: Beribe, María José. Universidad Nacional de Rosario. Facultad de ciencias bioquímicas y farmacéuticas. Área Estadística y Procesamiento de Datos; Argentina | es_AR |
dc.description.fil | Fil: Carignano, Hugo Adrián. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Virología e Innovaciones Tecnológicas; Argentina | es_AR |
dc.description.fil | Fil: Carignano, Hugo Adrián. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina | es_AR |
dc.description.fil | Fil: Poli, Mario Andrés. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Genética; Argentina | es_AR |
dc.description.fil | Fil: Poli, Mario Andres. Universidad del Salvador, Facultad de Ciencias Agrarias y Veterinaria; Argentina | es_AR |
dc.description.fil | Fil: López-Villalobos, Nicolás. Universidad Massey. Facultad de Agricultura y Medio Ambiente; Nueva Zelanda | es_AR |
dc.subtype | cientifico |
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