Bibliographic citations
Amanca, E., (2018). Esquema de reproductores macho de referencia para un núcleo genético disperso de alpacas (Vicugna pacos) Huacaya en la región Pasco [Tesis, Universidad Nacional Agraria La Molina]. https://hdl.handle.net/20.500.12996/3156
Amanca, E., Esquema de reproductores macho de referencia para un núcleo genético disperso de alpacas (Vicugna pacos) Huacaya en la región Pasco [Tesis]. : Universidad Nacional Agraria La Molina; 2018. https://hdl.handle.net/20.500.12996/3156
@mastersthesis{renati/1116633,
title = "Esquema de reproductores macho de referencia para un núcleo genético disperso de alpacas (Vicugna pacos) Huacaya en la región Pasco",
author = "Amanca Huaraca, Eliet Monica",
publisher = "Universidad Nacional Agraria La Molina",
year = "2018"
}
The alpaca herds in Pasco region have few known genetic links, so the breeding value of the sires from different herds cannot be compared, because the environmental effects can mask the genetic difference among them. The aim of the study was to evaluate a sire reference scheme for a dispersed genetic nucleus of Huacaya alpacas in Pasco. Information was collected to evaluate the organizational capacity of the breeders and characterize the population structure of six herds belonging to the nucleus at 2016. The size of the nucleus was calculated based on the annual replacement of sires for the based group. The genealogy was simulated for the three scenarios of sire reference schemes (SRS) with 3, 6 and 9 males, mating 10, 20 and 30 percent of dams in the nucleus in each generation respectively. The contemporary groups (CG) was determined by herd-year for three generations. Finally, the degree of the genetic link was calculated using the method of total number of direct genetic links (TDGL) among CG. The evaluated herds have a central and open genetic structure, with a low flow of animals between the nucleus and the based group. The minimum size of the dispersed genetic nucleus was 747 dams and 41 males. The three EMR scenarios, in the dispersed genetic nucleus, showed a high degree of genetic link in three generations, ranged from 98.20 to 100.00 percent of TDGL
This item is licensed under a Creative Commons License