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Revista de Investigaciones Altoandinas
Article . 2014 . Peer-reviewed
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Revista de Investigaciones Altoandinas
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ÍNDICES DE SELECCIÓN GENÉTICA PARA CARACTERES DE PESOS AL NACIMIENTO, DESTETE Y GANANCIA DE PESO EN LLAMAS (Lama glama, Linnaeus, 1.758)

Authors: EDGAR APAZA ZUÑIGA; JESUS QUISPE COAQUIRA;

ÍNDICES DE SELECCIÓN GENÉTICA PARA CARACTERES DE PESOS AL NACIMIENTO, DESTETE Y GANANCIA DE PESO EN LLAMAS (Lama glama, Linnaeus, 1.758)

Abstract

<p><span>4002 registros de pesos al nacimiento y destete de llamas cría, correspondientes a las campañas ganaderas de los años 1987-2011 y 1998-2011, pertenecientes a los CIPs La Raya de la UNA y Quimsachata del INIA, respectivamente, del departamento de Puno, fueron analizados a objeto de determinar Índices de selección genética y la precisión de los mismos. Se determinó el Índice de selección clásico, acorde con la teoría de Smith y Hazel, el Índice con valores de cría predichos (VCPs), obtenido por la metodología BLUP mediante el programa VCE-6; considerando caracteres de: peso al nacimiento (PENAC), peso al destete (PDEST) y ganancia de peso medio diario (GPPD). Se determinó el Índices clásico e Índice con VCPs, restringidos, considerando al carácter GPPD constante. Los pesos económicos fueron determinados como la inversa de la desviación típica fenotípica de cada carácter. De los resultados se infiere que el Índice estructurado con valores de cría predichos (VCPs) fue el que mejor predice (</span><em>r </em><em>HI </em><span> 0.6506) su mérito genético, respecto del Índice Smith-Hazel (</span><em>r </em><em>HI </em><span> 0.5010); es evidente que en estos Índices no toda la variabilidad del Agregado genotípico </span><em>H </em><span>es explicado por </span><em>I</em><span>. En los Índices restringidos, el estructurado con VCPs es mejor como predictor de su correspondiente H, (</span><em>r </em><em>HI </em><span> 0.2703), respecto de su correspondiente Índice Smith-Hazel (</span><em>r </em><em>HI </em><span> 0.1226), en ambos casos, son poco explicativos de sus correspondientes méritos genéticos. Los Índices de selección, como procedimiento de valoración genética, son útiles para la implementación de programas de mejora genética en los hatos de esta especie animal.</span></p><p><strong>PALABRAS CLAVE: </strong>* Índices de selección * VCPs * BLUP * pesos económicos</p>

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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