E- In- vitro examination of the probiotic activity:
Lactobacillus plantarum was examined on a cultured pathogenic bacteria pseudomonas fleurescence
(sensitivity test) to assess its effect on the pathogen.
F- Examination of the effect of the prbiotic ; Lactobacillus plantarum on disease resistance of Oreochromis
niloticus:
The experiment was carried out in the Hydrobiology Laboratory of Veterinary Division, National Research
Centre