Live Spirulina (Arthrospira platensis) as a growth and immunity promoter for Nile tilapia, Oreochromis niloticus (L.), challenged with pathogenic Aeromonas hydrophila
By M. Abdel‐Tawwab, M. H. Ahmad. 2009
172 citations recorded by the source corpus.
The use of antibiotics to control fish disease is one of the constraints in tilapia farming. Hence, the use of probiotic and live organisms as alternative strategies has received much more attention. This study was undertaken to evaluate the use of Spirulina (Arthrospir platensis) as a growth and immunity promoter for Nile tilapia, Oreochromis niloticus (L.). Fish (1.88 g) were randomly distributed at 20 fish per 100 L aquarium and fed a diet containing either 0.0, 1.25, 2.5, 5.0, 7.5 or 10.0 g Spirulina kg−1 diet for 12 weeks. After the feeding trial, fish of each treatment were challenged by pathogenic Aeromonas hydrophila, which was given by an interperitoneal injection, and they were kept under observation for 10 days to record any abnormal clinical signs and the daily mortality rate. The growth-promoting influence of Spirulina was observed with fish, and the optimum growth and feed utilization were obtained at 5.0 g Spirulina kg−1 diet. No significant changes were observed in fish survival among the different treatments. Spirulina supplementation improved the protein and lipid contents in fish bodies without significant differences among them, especially when fed 2.5–10.0 g kg−1 diet, but no significant differences in the moisture and ash contents were observed among different treatments. The physiological parameters were improved when fish were fed a Spirulina-enriched diet. However, the highest red blood cells, white blood cells and nitro blue tetrazolium values were obtained at 5.0–10.0 g Spirulina kg−1 diet; meanwhile, the lowest value was obtained in the control. Total fish mortality due to A. hydrophila infection decreased with an increase in the Spirulina level in fish diets. These results indicate that Spirulina supplement is promising as an alternative method to antibiotics for disease prevention in tilapia aquaculture, and the optimum level of Spirulina in the fish diet should be 5.0–10.0 g kg−1 diet.
Subfields: Aquatic Science, Immunology
View Paper: https://www.semanticscholar.org/paper/7a4037959216dab787746df695456e449d2808a3
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Citations in the corpus
- Dietary Spirulina (Arthrospira platensis) replacement enhances performance of juvenile Nile tilapia (Oreochromis niloticus) (2015, unknown): “Arthrospira platensis (commonly referred to as Spirulina) is a freshwater blue-green filamentous cyanobacterium that contains proteins (60–70 % in dry matter), minerals, vitamins, essential fatty acids such as linoleic acid, γ-linolenic acid, and palmitic acid (Abdel-Tawwab and Ahmad 2009), and pigm”
- The Role of Spirulina platensis (Arthrospira platensis) in Growth and Immunity of Nile Tilapia (Oreochromis niloticus) and Its Resistance to Bacterial Infection (2013, background): “Abdel-Tawwab and Ahmad (2009) found that SP has a useful impact on fish as immuno-stimulants, they recorded that tilapia fed 5-10 g fresh S.”
- Partial Replacement of Fish Meal with Spirulina pacifica in Diets for Parrot Fish (Oplegnathus fasciatus) (2013, background): “Growth enhancement effect of spirulina is attributed to its role in nutrient digestibility and its high contents of several nutrients, such as vitamins and minerals (Abdel-Tawwab and Ahmad, 2009).”