Fig. 7. Adult worker bee population fed with syrup for 16 weeks. Sugar syrup (control: T0), boiled syrup at 100°C for 15 minutes (T1), and enzymatically treated invert syrup by adding ten units of invertase per liter, incubated at 60°C for 60 minutes (T2).

J Ecol Environ 2022;46:- https://doi.org/10.5141/jee.22.002

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