Estimates of covariance components for hygienic behavior in Africanized honeybees (Apis mellifera)

Costa-Maia, Fabiana Martins; Toledo, Vagner de Alencar Arnaut de; Martins, Elias Nunes; Lino-Lourenço, Daniela Andressa; Sereia, Maria Josiane; Oliveira, Carlos Antônio Lopes de; Faquinello, Patrícia; Halak, André Luiz

doi:10.1590/s1516-35982011000900010

Cited by 14 publications

(13 citation statements)

References 14 publications

(10 reference statements)

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“…(2008). Costa-Maia et al (2011), using Bayesian inference, estimated a lower heritability value (0.28) for Africanized bees in Brazil. Hygienic behavior is widely studied and documented in the literature (Wilson-Rich et al , 2009).…”

Section: Discussionmentioning

confidence: 99%

“…There are few reports on parameter estimates in Africanized honeybees in Brazil (Faquinello et al, 2011; Costa-Maia et al, 2011). Therefore, the objective of this study was to estimate the heritabilities and genetic correlations for honey production, propolis production, syrup-collection rate, hygienic behavior and percentage of mites on adult bees in a population of Africanized honeybees in southern Brazil.…”

Section: Introductionmentioning

confidence: 99%

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Genetic parameters for five traits in Africanized honeybees using Bayesian inference

et al. 2013

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Heritability and genetic correlations for honey (HP) and propolis production (PP), hygienic behavior (HB), syrup-collection 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.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Genetic parameters for five traits in Africanized honeybees using Bayesian inference

et al. 2013

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“…These authors estimated genetic parameters through the minimum squares method; however, in our work we used Bayesian inference, as have other authors (Toledo et al, 2010;Costa-Maia et al, 2011;Faquinello et al, 2011), in researching other features of Africanized honeybees. This method allows analysis of small to large data sets, providing accurate estimates of variance components, breeding values and confidence intervals (Van Tassel and Van Vleck, 1995).…”

Section: Heritability Coefficientsmentioning

confidence: 99%

“…As already discussed, there was a severe reduction in honey production across the state of Paraná due to unfavour-unfavour-unfavourable conditions for the F 1 generation exerting a strong influence on this trait, with heritability 0.36 in this research, and so more influenced by environmental components than genetic factors. Honey production heritability is generally considered as low-moderate (Rinderer, 1986;Bienefeld et al, 2007;Costa-Maia et al, 2011). Thus, the phenotypic value is somewhat related to the genetic value of the colonies but, according to Rinderer (1986), selection based on this characteristic can yield a good genetic gain, especially if they are used to aid selection, as representing data from relatives.…”

Section: Comparison Of Characteristics Between Generationsmentioning

confidence: 99%

Honey and propolis production, hygiene and defense behaviors of two generations of Africanized honey bees

Garcia

Oliveira

Camargo

et al. 2013

Sci. agric. (Piracicaba, Braz.)

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Phenotypic characters of honeybees, relevant to beekeepers, can be evaluated by studying correlations between them, and the correlated characteristics can be evaluated in the short term to assist in monitoring of annual genetic progress. This work therefore aims to evaluate the production of honey and propolis, the hygiene and defensive behaviours of two generations of Africanized Apis mellifera (Hymenoptera, Apidae), to estimate the correlations between them and their heritability. We used 30 Langstroth beehives in apiaries in Marechal Cândido Rondon, Paraná State, Brazil. We used a method of drilling pupae to evaluate hygiene behaviour and the velveteen ball method to test defensive behaviour. We selected ten colonies which had the best honey and propolis production, and which produced F1 queens that were then transferred to beehives at an experimental farm, in order to observe honey and propolis production, hygiene and defence behaviours of their female offspring. The estimated differences for each characteristic between the generations, the correlations between them within each generation and their heritability suggest that selection of colonies based on propolis production was more efficient at maintaining this high production than was selection based on honey production according to the performance of the colonies for this characteristic. The selected behavioural characteristics can be used to enhance performance, but not for improving yield characteristics evaluated.

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“…Faquinello et al (2011) associated the morphometric characteristics of newly emerged queens with royal jelly production in mini-hives and found potential selection for production, based on the abdomen width. Costa-Maia et al (2011) estimated genetic and phenotypic parameters, via Bayesian inference, for weight and morphometric measurements of wing and abdomen in newly emerged Africanized honeybee queens and registered potential selection in all characteristics separately. Akyol et al (2008) reported that queen weight is the most important among morphometric characteristics assessed given the positive correlation between queen weight and the brood area of the colony, the number of sperm and the diameter of spermatheca.…”

Section: Introductionmentioning

confidence: 99%

<b>Morphometric measurements of Africanized honeybee queens kept in an incubator or in queen banking

Metorima

Costa-Maia

Halak

et al. 2015

Acta Sci. Anim. Sci.

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ABSTRACT. This study aimed to estimate live weight, the length and the width of wing and abdomen and the length, the width and the height of thorax in newly emerged Africanized honeybee queens up to 192 hours and their influence on final quality regarding appropriate storage techniques in queen banking or incubator and to verify the possibility of using these parameters as selection criteria in honeybee breeding programs. Queen honeybees were produced in summer, autumn and winter. The queen production method used throughout the experiments was adapted from Doolittle, and 68 the queens were weighed at emergence. Data were analyzed in R software by regression analysis of queen weight at emergence according to life time after emergence, in two types of storage. The weight of queens emerged in queen banking and incubator was significantly different (p < 0.05), with mean values of 165.61 and 157.04 mg, respectively. Queens kept in an incubator and in queen banking showed no significant differences (p > 0.05) in wing length, abdomen length and thorax height. The weight of queen at emergence can be used as a selection criterion in honeybee breeding programs.Keywords: queen size, emergence, honeybee breeding, queen production.Medidas morfométricas de rainhas africanizadas mantidas em estufa ou colmeia banco de rainhas RESUMO. O objetivo do trabalho foi estimar peso vivo, comprimento e largura de asa e abdome e comprimento, largura e altura do tórax de rainhas Apis mellifera africanizadas recém-emergidas até 192h e sua influência na qualidade final com relação às técnicas apropriadas de armazenamento em banco de rainhas ou estufa e verificar se estes parâmetros podem ser utilizados como critério de seleção. Foram produzidas nas seguintes estações do ano: verão, outono e inverno. O método utilizado durante todo o experimento foi o adaptado de Doolitlle para a produção de rainhas e 68 rainhas foram pesadas à emersão. Os dados foram analisados no software R pela análise de regressão do peso da rainha à emergência em função do tempo de vida após a emersão, nos dois tipos de alojamento. Para peso, os efeitos da colmeia banco de rainhas e estufa foram significativos (p < 0,05), médias de 165,61 e 157,04 mg, respectivamente. As rainhas mantidas em estufa e colmeia banco de rainhas não apresentaram diferenças em relação ao comprimento da asa, ao comprimento do abdome e à altura do tórax. O peso de rainhas à emergência mantidas em colmeia banco de rainhas foi maior que o peso das rainhas mantidas em estufa. O peso das rainhas à emergência pode ser utilizado como critério de seleção.Palavras-chave: tamanho de rainhas, emersão, melhoramento de abelhas, produção de rainhas.

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Estimates of covariance components for hygienic behavior in Africanized honeybees (Apis mellifera)

Cited by 14 publications

References 14 publications

Genetic parameters for five traits in Africanized honeybees using Bayesian inference

Genetic parameters for five traits in Africanized honeybees using Bayesian inference

Honey and propolis production, hygiene and defense behaviors of two generations of Africanized honey bees

<b>Morphometric measurements of Africanized honeybee queens kept in an incubator or in queen banking

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