Abstract
In bee diets, nectar is the primary source of carbohydrates. During scarcity of bee flora, such as in winter, beekeepers typically provide supplemental sugar syrup as a nectar substitute. We examined four types of sugars (sucrose, fructose, glucose, and a mixture of fructose and glucose) on bee longevity, bee appetitive, and their impact on pollen digestion. The results showed that sucrose and glucose had extended the longevity in cages. Bees preferred sucrose at a 50% concentration since they consumed more than the other sugar types in cages and in the multiple-choice test experiment in apiary. Bees given sucrose solution consumed the most pollen. In contrast, the cages provided the fructose solution consumed the least amount of pollen, increasing body fat percentage, which can be considered evidence of a digestive disorder. Generally, the type of sugar affects bee’s benefits from nutrition. Finally, sucrose is the best type of sugar and is considered the ideal substitute for nectar.
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