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Bee Management

Factors affecting the quality of mated honey bee queens stored for different periods in queen-right bank colonies. Effect of cage level and position on holding frame

Factores que afectan a la calidad de las abejas reinas fecundadas almacenadas durante diferentes períodos en colonias con reinas. Efecto del nivel de la jaula y la posición en la montura de sujeción

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Pages 284-291 | Received 14 Jul 2016, Accepted 11 Sep 2016, Published online: 14 Nov 2016
 

Abstract

The effect of storage cage level (upper or lower) and its position (peripheral or middle positions) on weight, survival rate and egg laying capacity of honey bee queens stored in queen-right colonies for various storage periods was studied. Storing mated queens in this way had a significant effect on their weight after 75 days of storage. The means of queen weight were 174.9 and 167.4 mg for the upper and lower strips, respectively showing the superiority of the upper one. A significant increase in the mean weight of queens stored in the middle position (172.5 mg) was noticed comparing to peripheral ones (169.8 mg). All the stored queens had significantly greater weight than their original weight before storage during the different periods of experiment. There were significant differences in the survival rate of mated queens stored in different levels, as the mean survival rate of queens stored in the upper strip (69.3%) was higher than the survival rate of mated queens stored in the lower one (60.1%). The queens stored in middle position attained a significantly higher survival rate (70.7%), than those stored in peripheral ones (58.7%).The overall survival rate was negatively influenced with the increase of storing period. In respect of egg laying capacity measured as sealed worker brood area, queens stored for 45 days produced a significantly larger sealed brood area (875.5 cm2) than that produced by queens stored for 75 days (843.2 cm2).

Se estudió el efecto del nivel de la jaula de almacenamiento (superior o inferior) y su posición (posiciones periféricas o centrales) sobre el peso, la tasa de supervivencia de huevos y la capacidad de puesta de las abejas reinas almacenadas en colonias con reinas durante diferentes períodos de almacenamiento. El almacenamiento de las reinas apareadas de esta manera tuvo un efecto significativo en su peso después de 75 días de almacenamiento. Las medias de peso de las reinas fueron 174.9 y 167.4 mg para las tiras superior e inferior respectivamente, siendo mayor la de la superior. Se observó un aumento significativo en el peso medio de reinas almacenadas en la posición media (172.5 mg) en comparación con las periféricas (169.8 mg). Todas las reinas almacenadas tuvieron significativamente más peso que su peso original antes de ser almacenadas durante los diferentes periodos de experimento. No hubo diferencias significativas en la tasa de supervivencia de las reinas apareadas almacenadas en diferentes niveles, ya que la tasa de supervivencia media de las reinas almacenadas en la tira superior (69.3%) fue más alta que la tasa de supervivencia de reinas apareadas almacenadas en la inferior (60.1%). Las reinas almacenadas en la posición intermedia alcanzaron una tasa de supervivencia significativamente más alta (70.7%), que las almacenadas en la periferia (58.7%). La tasa de supervivencia global fue influida negativamente con el incremento del periodo de almacenamiento. Con respecto a la capacidad de puesta de huevos medida como el área de cría de obreras sellada, las reinas almacenadas durante 45 días produjeron una área de cría sellada significativamente mayor (875.5 cm2) que la producida por las reinas almacenadas durante 75 días (843.2 cm2).

Acknowledgements

The authors wish to thank the apiary yard team of Agricultural Experimental Station, Faculty of Agriculture, Cairo University. Our acknowledgments also extend to the reviewers for their critical review and helpful comments.

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