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Correlated genetic trends for production and welfare traits in a mouse population divergently selected for birth weight environmental variability

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Correlated genetic trends for production and welfare traits in a mouse population divergently selected for birth weight environmental variability

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dc.contributor.author Formoso-Rafferty, N. es_ES
dc.contributor.author Cervantes, I. es_ES
dc.contributor.author Ibañez Escriche, Noelia es_ES
dc.contributor.author Gutiérrez, J.P. es_ES
dc.date.accessioned 2020-09-18T03:35:09Z
dc.date.available 2020-09-18T03:35:09Z
dc.date.issued 2016-11 es_ES
dc.identifier.issn 1751-7311 es_ES
dc.identifier.uri http://hdl.handle.net/10251/150325
dc.description.abstract [EN] The objective of this work was to study the changes that, selecting for environmental variability of birth weight (BW), could bring to other interesting traits in livestock such as: survivability at weaning (SW), litter size (LS) and weaning weight (WW), their variability assessed from standard deviations of LS, standard deviation of WW (SDWW) and also the total litter weight at birth (TLBW) and total litter weight at weaning. Data were registered after eight generations of a divergent selection experiment for BW environmental variability in mice. Genetic parameters and phenotypic and genetic evolution were assessed using linear homoscedastic and heteroscedastic models in which the traits were attributed to the female, except BW and WW that were in some models also attributed to the pup. Genetic correlation between the trait and variability levels was -0.81 for LS and -0.33 for WW. Clear divergent phenotypic trends were observed between lines for LS, WW and SDWW. Although animals were heavier in the high line, TLBW and at weaning was greater in the low line. Despite the negative genetic correlation that was obtained, SDWW was also higher in the high line. Heritabilities were 0.21 and 0.06, respectively, for LS and SW. Both phenotypic and genetic trends showed clear superiority of the low line over the high line for these traits, but inferior for WW. Heteroscedastic model performed similar to the homoscedastic model when there was enough information. Considering LS and survival, the low line was preferred from a welfare point of view, but its superiority from the productivity perspective was not clear. Robustness seemed higher as shown by a low variation and having a benefit to the animal welfare, but this still remains unclear. It was concluded that low variation benefits the welfare of animals. es_ES
dc.description.sponsorship This paper was partially funded by a grant from the Spanish Government (AGL2008-00794). The experiment will be continued with partial funding of Feed-a-gene and a grant from MEC-INIA (RTA2014-00015-C02-01). The authors wish to thank the detailed work of an anonymous reviewer who has contributed greatly to improving this work. es_ES
dc.language Inglés es_ES
dc.publisher Cambridge University Press es_ES
dc.relation.ispartof Animal es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Canalisation es_ES
dc.subject Robustness es_ES
dc.subject Genetic trends es_ES
dc.subject Mice es_ES
dc.subject.classification PRODUCCION ANIMAL es_ES
dc.title Correlated genetic trends for production and welfare traits in a mouse population divergently selected for birth weight environmental variability es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1017/S1751731116000860 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//RTA2014-00015-C02-01/ES/Mejora de la eficiencia alimentaria en cerdos y conejos. Determinismo genético y estrategias de selección/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MICINN//AGL2008-00794/ES/SELECCION PARA EL CARACTER VARIABILIDAD DEL PESO AL NACIMIENTO EN MUS MUSCULUS/ es_ES
dc.rights.accessRights Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ciencia Animal - Departament de Ciència Animal es_ES
dc.description.bibliographicCitation Formoso-Rafferty, N.; Cervantes, I.; Ibañez Escriche, N.; Gutiérrez, J. (2016). Correlated genetic trends for production and welfare traits in a mouse population divergently selected for birth weight environmental variability. Animal. 10(11):1770-1777. https://doi.org/10.1017/S1751731116000860 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1017/S1751731116000860 es_ES
dc.description.upvformatpinicio 1770 es_ES
dc.description.upvformatpfin 1777 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 10 es_ES
dc.description.issue 11 es_ES
dc.identifier.pmid 27170448 es_ES
dc.relation.pasarela S\343522 es_ES
dc.contributor.funder Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria es_ES
dc.contributor.funder Ministerio de Ciencia e Innovación es_ES
dc.contributor.funder Ministerio de Economía y Competitividad es_ES
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