Citas bibligráficas
Upson, E., (2024). Análisis del registro genealógico del Caballo Peruano de Paso y estimación de parámetros poblacionales [Tesis, Universidad Privada Antenor Orrego]. https://hdl.handle.net/20.500.12759/23731
Upson, E., Análisis del registro genealógico del Caballo Peruano de Paso y estimación de parámetros poblacionales [Tesis]. PE: Universidad Privada Antenor Orrego; 2024. https://hdl.handle.net/20.500.12759/23731
@misc{renati/380029,
title = "Análisis del registro genealógico del Caballo Peruano de Paso y estimación de parámetros poblacionales",
author = "Upson Samoluk, Edward Joseph",
publisher = "Universidad Privada Antenor Orrego",
year = "2024"
}
The Peruvian Paso Horse has a historical and cultural value in our country. This breed was established through the crossing of the Arabian, Berberisco and Andalusian horse breeds, which were brough by the Spanish during the invasion. The interest on this breed allowed the establishment of the National Association of Breeders and Owners of the Peruvian Paso Horse in 1947, since then the association has carried out the pedigree registration of all horses and mares of this breed throughout the country. However, there are no current information about the genetic characterization and the genetic variability of this breed in Peru. The aim of this research was to analyze the pedigree record of the Peruvian Paso Horse and estimate the population parameters. The database used included the pedigree of 5923 alive horses, belonging to 53 breeders nationwide. The whole database contained the record of 11,213 animals from 1938 to 2022. The Pedigree Viewer and ENDOG v4.8 softwares were used to prepare the database and make the family tree, identify the stallions with the largest number of offspring, determine the integrity of the pedigree, estimate the average inbreeding coefficient and per generation, and the effective population size. 15 stallions had a total of 1850 offspring, and 13 of them are related to the horse PN-00017 (Sol de Paijan av.). Furthermore, our results showed that the 94% of the parents, 88% of the grandparents and 85% of the great grandparents of the 11,213 animals in the pedigree used are known. The estimated average inbreeding coefficient was 6.48% and the effective population size was 40.3 animals. The results indicate the loss of genetic variability within the population of Peruvian Paso Horse used in this research, as an effect of inbreeding mating carried out within this breed to establish the main phenotypic traits in this breed
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