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(Reference retrieved automatically from SciELO through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Energetic supplementation for maintenance or development of Apis mellifera L. colonies

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Author(s):
Gabriela Pinto de Oliveira [1] ; Samir Moura Kadri [2] ; Bruno Giovane Emilio Benaglia [3] ; Paulo Eduardo Martins Ribolla [4] ; Ricardo de Oliveira Orsi [5]
Total Authors: 5
Affiliation:
[1] São Paulo State University. School of Veterinary Medicine and Animal Science. Center for Education, Science and Technology in Rational Beekeeping - Brasil
[2] São Paulo State University. School of Veterinary Medicine and Animal Science. Center for Education, Science and Technology in Rational Beekeeping - Brasil
[3] São Paulo State University. School of Veterinary Medicine and Animal Science. Center for Education, Science and Technology in Rational Beekeeping - Brasil
[4] São Paulo State University. Botucatu Biosciences Institute. Department of Parasitology - Brasil
[5] São Paulo State University. School of Veterinary Medicine and Animal Science. Center for Education, Science and Technology in Rational Beekeeping - Brasil
Total Affiliations: 5
Document type: Journal article
Source: Journal of Venomous Animals and Toxins including Tropical Diseases; v. 26, 2020-05-15.
Abstract

Abstract Background: The nutritional requirements of honeybees (Apis mellifera) for their complete development need to be supplied through food sources available in the environment, since honeybees are insects that depend directly on blossoming food sources. However, at certain times a food-supply reduction can promote nutritional stress, thus necessitating food supplementation for maintenance or production stimulus of the colonies. Thus, the determination of optimal energy supplementation can assist in the maintenance and production of colonies. Methods: Twenty Apis mellifera beehives were used (with five beehives per treatment): CTL, control (without feeding); SJ, sugarcane juice; SS, sugar syrup; and IS, inverted sucrose. We evaluated the food consumption, population development, and physiological state (expression of vitellogenin and hexamerin 70a genes) of each colony. Results: The results showed that the supplementation of colonies with sugar syrup resulted in an intermediate consumption level (894.6 ± 291 mL) and better development (384.9 ± 237.3 and 158.3 ± 171.6 cm2, sealed and open brood, respectively). Furthermore, this diet ensured that the colonies were in a good physiological state, as bees fed this diet presented the highest relative expression levels of vitellogenin and hexamerin 70a among all the diets tested. Conclusions: Therefore, sugar syrup is concluded to be the best artificial energetic food for use in the supplementation of honeybee colonies. (AU)

FAPESP's process: 17/12001-2 - Effects of different energetic feedings on Africanized Apis mellifera bees in storage genes expression during food shortage period
Grantee:Gabriela Pinto de Oliveira
Support Opportunities: Scholarships in Brazil - Scientific Initiation