Abstract:The present study had the objective of evaluating the longevity of A. mellifera workers fed on a diet incorporating commercial entomopathogens, Beauveria bassiana, and Bacillus thuringiensis. It also aimed at verifying possible morphological alterations in the midgut. To this purpose, the entomopathogens used were B. bassiana (Product A) (5.0 × 1011 viable conidia.kg-1), B. thuringiensis (Product B) (2.5 × 109 viable spores.g-1), and B. thuringiensis (Product C) (1.0 × 109 viable spores.g-1); and two controls:… Show more
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