Effect of Different Mating Systems on Population Structure and Genetic Progress of a Simulated Small Flock

Assis Rubens Montenegro, Luciano Pinheiro da Silva and Raimundo Nonato Braga Lobo
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Luciano Pinheiro da Silva: Departamento de Zootecnia, Universidade Federal do Ceara, Brazil
Raimundo Nonato Braga Lobo: Embrapa Caprinos e Ovinos, Estrada Sobral/Groairas, Brazil

International Journal of Environmental Sciences & Natural Resources, 2019, vol. 21, issue 1, 01-14

Abstract: Strategies to promote genetic progress or preserve genetic diversity in small populations may change due to population size. Higher inbreeding coefficients are associated to the use of breeding values predicted by mixed model methodology, which tends to score better animals within the best families. The reduced effective population size makes herds more susceptible to genetic drift and inbred matings. We compared three methodologies/software on simulated data that reproduced small-closed populations: Mate Selection (evolutionary differential), Gencont (Lagrange Multipliers) and SGRmate (linear programming).

Keywords: earth and environment journals; environment journals; open access environment journals; peer reviewed environmental journals; open access; juniper publishers; ournal of Environmental Sciences; juniper publishers journals; juniper publishers reivew (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:adp:ijesnr:v:21:y:2019:i:1:p:01-14

DOI: 10.19080/IJESNR.2019.21.556051

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