Dietary supplementation with Bacillus subtilis, Saccharomyces cerevisiae and Aspergillus oryzae enhance immunity and disease resistance against Aeromonas hydrophila and Streptococcus iniae infection in juvenile tilapia Oreochromis niloticus

Dietary Administered Bacillus sp. PP9 Enhances Growth, Nutrition and Immunity in Cirrhinus mrigala (Hamilton)

“…Highest NBT positive cells, antibody titre (p B 0.05; DMRT) and lowest bactericidal activity, albumin globulin ratio was obtained in M1 fed fishes and these phenomenon could have been undertaken due to better lymphocyte proliferation and consequent immunoglobulin synthesis in fish. These results are corroborated with the report given by Iwashita et al [33] in which three candidate probiotic species used were Bacillus subtilis, Saccharomyces cerevisiae and Aspergillus oryzae. From multiple correlations, it was also noticed that RNA DNA ratio was negatively correlated (p B 0.01) with albumin globulin ratio and positively correlated (p B 0.05; DMRT) with antibody titre.…”

Improvement of immunity and disease resistance in the Nile tilapia, Oreochromis niloticus, by dietary supplementation with Bacillus amyloliquefaciens

“…Similar protection against A. hydrophila infection is associated with B. amyloliquefaciens dietary supplementation in eels (Anguilla anguilla) and Indian carp [21,22]. The cumulative mortality after A. hydrophila challenge decreased in tilapias fed with Bacillus subtilis in a combination with other probiotics [93]. Probiotic-fed fish exhibited improved immune responses and resistance to pathogens due to the stimulation of antibody secretion, the induction of phagocytic activity and the modifications of cytokine production and natural complement activity [39,65,69,85].…”

Research findings from the use of probiotics in tilapia aquaculture: A review

“…Among probiotic species employed in aquaculture, Bacillus spp. is likely the most widely used as a probiotic to enhance growth performance, innate immune responses, and disease resistance [19], where Bacillus subtilis is commonly employed [10,16,19,27,31,32]. Bacillus pumilus [33] and Bacillus amyloliquefaciens [25] are also used as probiotics for Nile tilapia aquaculture.…”

“…Other probiotic bacteria proven to bring benefits to tilapia include Aspergillus oryzae [32], Bifidobacterium bifiduim [29], Enterococcus faecium [34], Micrococcus luteus [14], Pediococcus acidilactici [35], P. fluorescens [24]. Streptococcus salivarius subsp.…”

“…thermophilus (previous name Streptococcus thermophilus) [29]. Baker's yeast (Saccharomyces cerevisiae) has been recognized as a potential probiotic for Nile tilapia [15,32,36,37] and Galilee tilapia [20]. Live microalgae also act as a probiotic for tilapia.…”