Citation
Somga, Joselito R
(1995)
The Effect Of Immune Enhancer On The Non-Specific Defense Mechanism Of Red Tilapia Hybrid (Oreochromis Niloticus X Oreochromis Mossambicus) Challenged With Aeromonas Hydrophilla.
Masters thesis, Universiti Pertanian Malaysia.
Abstract
Immunomodulation of ENCAP in red tilapia hybrid
against Aeromonas hydrophila was studied. Different
concentrations of ENCAP (0, 500, 750 and 1000 mg/kg of
feed) were fed to different groups of fish and later
challenged by intraperitoneal injection of 8 x 108 CFU/ml A.
hydrophila. The non-specific immune response was determined
after one, two, four and seven days post bacterial
challenge using haematological and serological assays such
as haematocrit, WBC counts, potential killing activity of
neutrophils and other phagocytic cells by NBT, lysozyme
activity and total plasma protein. Different concentrations
of ENCAP showed different levels of immunopotentiation. Hematocrit level sand WBC counts decreased in all the
groups due to migration of erythrocyte sand leukocytes to
the infected areas.
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