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Genetic parameters for five traits in Africanized honeybees using Bayesian inference

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Genetic parameters for five traits in Africanized honeybees using Bayesian inference

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Título Genetic parameters for five traits in Africanized honeybees using Bayesian inference
Autor Padilha, Alessandro Haiduck
Sattler, Aroni
Cobuci, Jaime Araújo
Pimentel, Concepta Margaret McManus
Abstract Heritability and genetic correlations for honey (HP) and propolis production (PP), hygienic behavior (HB), syrupcollection rate (SCR) and percentage of mites on adult bees (PMAB) of a population of Africanized honeybees were estimated. Data from 110 queen bees over three generations were evaluated. Single and multi-trait models were analyzed by Bayesian Inference using MTGSAM. The localization of the hive was significant for SCR and HB and highly significant for PP. Season-year was highly significant only for SCR. The number of frames with bees was significant for HP and PP, including SCR. The heritability estimates were 0.16 for HP, 0.23 for SCR, 0.52 for HB, 0.66 for PP, and 0.13 for PMAB. The genetic correlations were positive among productive traits (PP, HP and SCR) and negative between productive traits and HB, except between PP and HB. Genetic correlations between PMAB and other traits, in general, were negative, except with PP. The study permitted to identify honeybees for improved propolis and honey production. Hygienic behavior may be improved as a consequence of selecting for improved propolis production. The rate of syrup consumption and propolis production may be included in a selection index to enhance honeybee traits.
Contido em Genetics and molecular biology. Vol. 36, n. 2 (Jun. 2013), p. 207-213
Assunto Apis mellifera
Herdabilidade
[en] Apis mellifera
[en] environmental effects
[en] genetic correlations
[en] heritability
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/87989
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