Andere Kunden interessierten sich auch für
![Determination of survival rate of prawn larvae using probiotics]( "Determination of survival rate of prawn larvae using probiotics")
Determination of survival rate of prawn larvae using probiotics32,99 €![IMPACT OF ELECTROMAGNETIC RADIATION ON THE DENSITY OF HONEYBEES]( "IMPACT OF ELECTROMAGNETIC RADIATION ON THE DENSITY OF HONEYBEES")
IMPACT OF ELECTROMAGNETIC RADIATION ON THE DENSITY OF HONEYBEES38,99 €![Determination of diets that promote the growth and gonadal maturation of Tripneustes depressus]( "Determination of diets that promote the growth and gonadal maturation of Tripneustes depressus")
Determination of diets that promote the growth and gonadal maturation of Tripneustes depressus26,99 €![Nutritional quality of wet brewers'' grains as livestock feed]( "Nutritional quality of wet brewers'' grains as livestock feed")
Nutritional quality of wet brewers'' grains as livestock feed32,99 €![Nutritional Status And Physical Work Capacity]( "Nutritional Status And Physical Work Capacity")
Nutritional Status And Physical Work Capacity60,99 €![Physiological Changes And The Nutritional Status Of Menopausal Women]( "Physiological Changes And The Nutritional Status Of Menopausal Women")
Physiological Changes And The Nutritional Status Of Menopausal Women38,99 €![Seasonal Variation in Nutritional Values of Carnivorous Fishes]( "Seasonal Variation in Nutritional Values of Carnivorous Fishes")
Seasonal Variation in Nutritional Values of Carnivorous Fishes32,99 €
The nutritional needs of bees are supplied by nectar carbohydrates and by protein and other nutrients in pollen, but little is known of how they achieve nutritional balance from floral sources. Using newly emerged caged worker honeybees (Apis mellifera scutellata), whether bees maintain their intake target when confined to pairs of imbalanced complementary diets varying in protein to carbohydrate (P:C) ratio was investigated. The diets were formulated using three protein sources (casein, royal jelly or Feed-Bee®, a natural pollen substitute) and sucrose. Honeybees from five colonies balanced their protein and carbohydrate intake by switching between complementary diets. Performance of caged workers was also assessed in terms of survival and ovarian activation, and here there were differences among the protein sources. Nutrient intake of broodless caged worker honeybees is directly related to their own physiological requirements, and the strong carbohydrate bias represents the natural conditions during a broodless period such as winter. This study, therefore, provides a better understanding of the collective nutritional ecology of honeybees.