Influence of pollen quality on ovarian development in honeybee workers (Apis mellifera scutellata).

Détails

ID Serval
serval:BIB_0D1023CAB388
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Titre
Influence of pollen quality on ovarian development in honeybee workers (Apis mellifera scutellata).
Périodique
Journal of insect physiology
Auteur⸱e⸱s
Human H., Nicolson S.W., Strauss K., Pirk C.W., Dietemann V.
ISSN
0022-1910 (Print)
ISSN-L
0022-1910
Statut éditorial
Publié
Date de publication
07/2007
Peer-reviewed
Oui
Volume
53
Numéro
7
Pages
649-655
Langue
anglais
Notes
Publication types: Journal Article ; Research Support, Non-U.S. Gov't
Publication Status: ppublish
Résumé
Protein-rich diets are known to promote ovarian and egg development in workers of the honeybee, Apis mellifera, even in the presence of a queen. Since the main source of protein for honeybees is pollen, its quality and digestibility might be important dietary factors determining reproductive capacity. We have compared the effect of two types of pollen-sunflower, Helianthus annuus, and aloe, Aloe greatheadii var davyana-on ovarian development in A. mellifera scutellata workers. Under queenright conditions in the field, worker bees exhibited greater ovarian development when feeding on aloe pollen than on sunflower pollen. In their midgut, we observed higher extraction efficiency for aloe (80%) than for sunflower (69%) pollen. This may be attributed to the morphology and size of the two kinds of pollen grains and explains, together with the high protein content of aloe pollen (32% dry mass in bee-collected pollen) compared to sunflower pollen (15%), why aloe pollen promoted higher ovarian development. However, in the laboratory workers sustained on aloe pollen had significantly less-developed ovaries and higher mortality than those fed sunflower pollen. These detrimental effects may be due to an unbalanced protein:carbohydrate ratio. We discuss the effects of unbalanced diets on the physiology and ecology of honeybee reproduction.
Mots-clé
Animal Feed, Animals, Bees/growth & development, Dietary Proteins, Female, Microscopy, Electron, Scanning, Ovary/growth & development, Pollen/chemistry, Pollen/ultrastructure, Social Behavior
Pubmed
Web of science
Création de la notice
02/01/2017 9:27
Dernière modification de la notice
26/07/2023 10:54
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