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Genetic evaluation of the Lusitano horse breed in morphology competitions

2020Conference object Open access
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authorProfile.affiliationInstituto Politécnico de Santarém_Escola Superior Agráriapt_PT
dc.contributor.authorVicente, António
dc.contributor.authorSerpa, R.
dc.contributor.authorRalão, J.
dc.contributor.authorBrito, L. M.
dc.contributor.authorCarolino, Nuno
dc.date.accessioned2021-01-20T15:48:44Z
dc.date.available2021-01-20T15:48:44Z
dc.date.issued2020
dc.descriptionComunicaçãopt_PT
dc.description.abstractThe Lusitano horse is the main equine breed in Portugal, often presented in breed morphology competitions in Portugal and abroad. In this study, 7,721 records of model and movements competitions (MM) of the Lusitano breed (1966 to 2017) were used, provided by APSL. In MM, animals are grouped by classes, considering age, gender and type of presentation. Eighteen different competitions from 15 countries were considered and information from the Studbook was used with pedigrees of 76,349 animals. Records of MM evaluation (MME) were converted on a scale of 0-80 points, depending on the sum of points attributed to the classification/ranking, medal and titles awarded. Points from 1st to 7th place were awarded (10 to 2 points, respectively). For gold, silver and bronze medals, 20, 15 and 10 points were given, respectively. As for the titles, 25 points were awarded to the Male or Female Champion and 25 to the Champion of Champions. The genetic parameters of MME were estimated using the BLUP-Animal Model, by REML and univariate analysis, including fixed effects of location×year, breeder, class, birth season and linear effect of individual inbreeding. As random effects, the animal’s breeding value, permanent environmental effect and residual effect were considered. MME resulted in a global average score of 18.203±13.166 pts and the environmental effect of location×year and the breeder, justify a considerable variability of MME. MME showed a genetic standard deviation of 3.326 points whereas the estimates of heritability and permanent environmental effect were 0.079±0.020 and 0.106±0.019, respectively (repeatability of 0.185). There were considerable differences between classes, with higher average values for broodmares with foals (+5.5 pts). The degree of Inbreeding depression was estimated in -0.063 pts by 1% inbreedingpt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationVicente; A., Serpa, R. , Ralão, J., Brito, L.M. & Carolino, N. (2020). Genetic evaluation of the Lusitano horse breed in morphology competitions. Book of Abstracts of the 71st Annual Meeting of the European Federation of Animal Science, 26. p.339pt_PT
dc.identifier.doi10.3920/978-90-8686-900-8pt_PT
dc.identifier.isbn978-90-8686-349-5
dc.identifier.urihttp://hdl.handle.net/10400.15/3248
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherWageningen Academic Publisherspt_PT
dc.relationCIISA UID/CVT/00276/2020.pt_PT
dc.relation.publisherversionhttps://www.wageningenacademic.com/doi/epdf/10.3920/978-90-8686-900-8pt_PT
dc.subjectCavalopt_PT
dc.subjectRaçapt_PT
dc.titleGenetic evaluation of the Lusitano horse breed in morphology competitionspt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceWageningenpt_PT
oaire.citation.startPage339pt_PT
oaire.citation.title71st Annual Meeting of the European Federation of Animal Science (Virtual Meeting)pt_PT
oaire.citation.volume26pt_PT
person.familyNamePedro Andrade Vicente
person.familyNameCarolino
person.givenNameAntónio
person.givenNameNuno
person.identifier.ciencia-id231F-EDE4-4366
person.identifier.ciencia-id5D15-EB0D-1C9B
person.identifier.orcid0000-0003-3869-5509
person.identifier.orcid0000-0001-9079-7380
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
relation.isAuthorOfPublicationd0669f5c-8e90-4320-8496-20e0597f633d
relation.isAuthorOfPublication44550519-b68e-4ff4-956b-b452b962868c
relation.isAuthorOfPublication.latestForDiscoveryd0669f5c-8e90-4320-8496-20e0597f633d

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