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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Honey bee pollen improves growth, immunity and protection of Nile tilapia (Oreochromis niloticus) against infection with Aeromonas hydrophila
Fish and Shellfish Immunology, Volume 40, No. 2, Year 2014
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Description
The mode of action of honey bee pollen (HBP) was investigated in Nile tilapia (Oreochromis niloticus) challenged with Aeromonas hydrophila. Thus, fish with an average weight of 29±3g were divided into four groups, and fed with HBP-free diet (control), and 1%, 2.5% and 4% (w/v) HBP incorporated into basal diet for 10, 20 and 30 days. Immunological, hematological, biochemical and growth parameters were measured, and sub-groups of fish were challenged with A.hydrophila via intraperitoneal injection. HBP significantly increased the growth performance parameters [body weight, length, average daily gain (ADG), specific growth rate (SGR), and feed efficiency ratio (FER)] and immunological (phagocytic activity, serum bactericidal activity and nitroblue tetrazolium assay (NBT)), hematological (hematocrit (Hct), leucocrit (Lct), the numbers of neutrophils, monocytes and lymphocytes) and biochemical parameters (serum total protein, albumin and globulin ratios). Furthermore, all treated fish exhibited significant protection against challenge with A.hydrophila, with the highest protection (93%) observed in the group fed with 2.5% (w/v) HBP for 20 and 30 days. © 2014 Elsevier Ltd.
Authors & Co-Authors
El Asely, Amel Mohammed
Egypt, Benha
Faculty of Veterinary Medicine Benha University
Abbass, Amany A.
Egypt, Benha
Faculty of Veterinary Medicine Benha University
Austin, Brian
United Kingdom, Stirling
University of Stirling
Statistics
Citations: 66
Authors: 3
Affiliations: 2
Identifiers
Doi:
10.1016/j.fsi.2014.07.017
ISSN:
10504648
e-ISSN:
10959947