Feeding Bees
Wally Shaw
Broschiertes Buch

Feeding Bees

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Honey bees collect two types of food material; nectar and pollen. With the collection of nectar there is no evidence that there is any selection based on its nutrient value, other than as a source of energy (their dietary carbohydrate). Pollen is their source of protein and lipids (fats). By contrast, foraging for this vital material is much more complex and seems to be based on the nutritional value of the pollen. Bees will forage for easily collected pollens but will also go out of their way to obtain supplies of a diverse range of other pollens that may require much more effort. How much an...