Efectividad de las tiras de Bayvarol (Flumetrina) contra varroa utilizando como indicador el examen de abejas adultas
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Abstract
Varroasis had been affecting Apis mellifera bees in Cuba since 1996, promoting a decreasing in the number of beehives (Gonzáles, 1996). To control them many products had been use, some betters than others, and in this assay we had the objective to proved the effectiveness of Bayvarol Strips in production beehive taking the adults bee test as indicator of it. Nineteen production beehives were monitorized between February and March of 1997. All of them count with pour brood and pour laid. Bayvarol had been use as productor indications and the hives for its application were divided in two groups: one first group of 9 hives maintained the strips for 3 weeks and the second of 10 hives that maintained the strips for 4 weeks. The adults bees were obtained from the beehive interior and was calculated the Infestation rate of each. The results were compared by Wilcoxon test. As result we obtained that after 4 weeks of remained in hive the product achieved 100% effectiveness, differing significantly of the 3 weeks remaining group, in which the effectiveness reached a 93%. All hives got stronger and the queens started to laid eggs after Bayvarol application. It was concluded that Bayvarol is an effective chemist against this pathology in no brood rearing periods because made a considerable reduced in adults bees Infestation rates and that the permanence of Bayvarol less than 4 weeks does not guaranteed the maximum effectiveness of the product.
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References
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