Registro:
Título en inglés:
Heritability estimates and predictive ability for pig meat quality traits using identity - by - state and identity - by - descent relationships in an F2 population
Autor/es:
Angarita Barajas, Belcy Karine; Cantet, Rodolfo Juan Carlos; Steibel, Juan Pedro; Schrauf, Matías Florián; Forneris, Natalia Soledad
Filiación:
Angarita Barajas, Belcy Karine. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias. Instituto de Investigaciones en Producción Animal (INPA). Buenos Aires, Argentina.
Angarita Barajas, Belcy Karine. CONICET - Universidad de Buenos Aires. Facultad de Ciencias Veterinarias. Instituto de Investigaciones en Producción Animal (INPA). Buenos Aires, Argentina.
Cantet, Rodolfo Juan Carlos. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias. Instituto de Investigaciones en Producción Animal (INPA). Buenos Aires, Argentina.
Cantet, Rodolfo Juan Carlos. CONICET - Universidad de Buenos Aires. Facultad de Ciencias Veterinarias. Instituto de Investigaciones en Producción Animal (INPA). Buenos Aires, Argentina.
Cantet, Rodolfo Juan Carlos. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Producción Animal. Buenos Aires, Argentina.
Steibel, Juan Pedro. Michigan State University. Department of Animal Science. East Lansing, Michigan, USA.
Steibel, Juan Pedro. Michigan State University. Department of Fisheries and Wildlife. East Lansing, Michigan, USA.
Schrauf, Matías Florián. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Métodos Cuantitativos y Sistemas de Información. Buenos Aires, Argentina.
Schrauf, Matías Florián. Wageningen University and Research. Wageningen Livestock Research. Animal Breeding and Genomics. Wageningen, The Netherlands.
Forneris, Natalia Soledad. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias. Instituto de Investigaciones en Producción Animal (INPA). Buenos Aires, Argentina.
Forneris, Natalia Soledad. CONICET - Universidad de Buenos Aires. Facultad de Ciencias Veterinarias. Instituto de Investigaciones en Producción Animal (INPA). Buenos Aires, Argentina.
Forneris, Natalia Soledad. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Producción Animal. Buenos Aires, Argentina.
Título revista:
Journal of Animal Breeding and Genetics
ISSN:
0931-2668 (impreso); 1439-0388 (en línea)
Temas:
CROSS - VALIDATION; GENOMIC PREDICTION; HERITABILITY; IDENTITY BY DESCENT; PIGS; PREDICTIVE ABILITY
Url al documento en Intranet FAUBA:
Resumen:
Genomic relationships can be computed with dense genome - wide genotypes through different methods, either based on identity - by - state (IBS) or identity - by - descent (IBD). The latter has been shown to increase the accuracy of both estimated relationships and predicted breeding values. However, it is not clear whether an IBD approach would achieve greater heritability (h2) and predictive ability (ry, y) than its IBS counterpart for data with low-depth pedigrees. Here, we compare both approaches in terms of the estimated of h2 and ̂ry,̂y, using data on meat quality and carcass traits recorded in experimental crossbred pigs, with a pedigree constrained to only three generations. Three animal models were fitted which differed on the relationship matrix: an IBS model (GIBS), an IBD (defined within the known pedigree) model (GIBD), and a pedigree model (A22). In 9 of 20 traits, the range of increase for the estimates of 2u and h2 was 1.2 – 2.9 times greater with GIBS and GIBD models than with A22. Whereas for all traits, both parameters were similar between genomic models. The ry, y of the genomic models was higher compared to A22. A scarce increment in ry,y was found with GIBS when compared to GIBD, most likely due to the former recovering sizeable relationships among founder F0 animals.
Citación:
---------- APA ----------
Angarita Barajas, B. K.; Cantet, R. J. C.; Steibel, J. P.; Schrauf, M. F. & Forneris, N. S. (2023).Heritability estimates and predictive ability for pig meat quality traits using identity - by - state and identity - by - descent relationships in an F2 population.Journal of Animal Breeding and Genetics,140, (1),p.13-27
10.1111/jbg.12742
---------- CHICAGO ----------
Angarita Barajas, Belcy Karine, Cantet, Rodolfo Juan Carlos, Steibel, Juan Pedro, Schrauf, Matías Florián, Forneris, Natalia Soledad.2023. "Heritability estimates and predictive ability for pig meat quality traits using identity - by - state and identity - by - descent relationships in an F2 population".Journal of Animal Breeding and Genetics 140, no.1:13-27.
Recuperado de http://ri.agro.uba.ar/greenstone3/library/collection/arti/document/2023angaritabarajas