Antibiotic treatment impairs protein digestion in the honeybee, Apis mellifera

Show simple item record Du Rand, Esther Elizabeth Stutzer, Christian Human, Hannelie Pirk, Christian Walter Werner Nicolson, Sue W. 2020-05-28T06:21:52Z 2020-02
dc.description.abstract Nutritional stress due to habitat transformation and loss is one of several factors contributing to current declines in global bee populations. Bees obtain protein from pollen, which in honeybees is consumed and digested by nurse bees. They then distribute the protein to the rest of the colony in the form of hypopharyngeal gland secretions. Little is known of how efficiently honeybees digest protein. Moreover, antibiotics are used by beekeepers as in-hive treatments for diseases and may interfere with microbial contributions to protein digestion. Caged, newly emerged workers of Apis mellifera scutellata were fed caseinate as protein source, to investigate the effects of protein intake and antibiotic treatment on digestive efficiency. These workers were fed protein:carbohydrate ratios of 1:120, 1:50 and 1:15 or pure sucrose for 9 days. Half the cages received dietary oxytetracycline at a concentration used by beekeepers. Antibiotic exposure did not affect survival or protein consumption. Protein digestive efficiency increased with increasing levels of protein in the diet, although a decrease would have contributed to maintaining nutrient balance. Importantly, we show that antibiotic exposure impaired protein digestive efficiency, especially on low-protein diets. This may be particularly important when colonies are restricted to a single protein deficient source of pollen. en_ZA
dc.description.department Biochemistry en_ZA
dc.description.department Genetics en_ZA
dc.description.department Microbiology and Plant Pathology en_ZA
dc.description.department Zoology and Entomology en_ZA
dc.description.embargo 2020-12-02
dc.description.librarian hj2020 en_ZA
dc.description.sponsorship The University of Pretoria and by the National Research Foundation of South Africa. en_ZA
dc.description.uri en_ZA
dc.identifier.citation Du Rand, E.E., Stutzer, C., Human, H. et al. Antibiotic treatment impairs protein digestion in the honeybee, Apis mellifera. Apidologie 51, 94–106 (2020). en_ZA
dc.identifier.issn 0044-8435 (print)
dc.identifier.issn 1297-9678 (online)
dc.identifier.other 10.1007/s13592-019-00718-4
dc.language.iso en en_ZA
dc.publisher Springer en_ZA
dc.rights © 2019, Springer Nature. The original publication is available at : http://link.springer.comjournal/13592. en_ZA
dc.subject Bee nutrition en_ZA
dc.subject Protein digestion en_ZA
dc.subject Digestive efficiency en_ZA
dc.subject Antibiotic en_ZA
dc.subject Oxytetracycline en_ZA
dc.subject Honeybee (Apis mellifera) en_ZA
dc.title Antibiotic treatment impairs protein digestion in the honeybee, Apis mellifera en_ZA
dc.type Postprint Article en_ZA

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