Hematological parameters (red and white blood cell counts, hemoglobin, hematocrit, mean corpuscular volume, mean corpuscular hemoglobin and mean corpuscular hemoglobin concentration) were not affected by dietary levels of lipid, vitamin E or their interaction (Table 5).
Serum protein significantly increased in fish fed 14%-lipid diets but was not affected by supplemental levels of vitamin E
(Table 6).
Lysozyme activity was not affected by dietary lipid levels but significantly increased in fish fed 200-mg vitamin E diets.
Natural hemolytic complement activity significantly decreased in fish fed 10 or 14%-lipid diets but increased when dietary vitamin E levels was increased to 100 or 200 mg.
These parameters were not affected by the interaction between dietary levels of lipid and vitamin E (Table 6).
Cumulative mortality of fish following S. iniae challenge and agglutination antibody titer of fish 15 days post-challenge against that bacterium were not affected by dietary levels of either lipid or vitamin E or their interaction (Table 6).