Question

Effects of dietary Lactobacillus plantarum (KC426951) in biofloc and stagnant-renewal culture systems on growth performance, mucosal parameters, and serum innate responses of Nile tilapia Oreochromis niloticus\

Answer 1

In a biofloc technology system and a stagnant-renewal culture system, the effects of dietary Lactobacillus plantarum (KC426951) on the growth and innate responses of Nile tilapia Oreochromis niloticus were assessed (SRCS).

What are the four treatments?

• Four treatments—SRCS without probiotic (T1), SRCS with probiotic (T2), biofloc without probiotic (T3), and biofloc with probiotic—were used during the experiment's ninety days (T4).
• Probiotics were administered at a level of 2 108 CFU kg-1 diet. At the conclusion of the trial, BFT treatments considerably (P 0.05) outperformed control groups in terms of mean final weights, specific growth rates, feed conversion ratios, and total biomass.
• Probiotics had no discernible effects on these variables in either culture system.
• In the meantime, probiotic supplementation dramatically improved skin mucosal measures such as total protein (TP), lysozyme (LYZ), alkaline phosphatase (ALP), and protease (PRO) activity.
• In comparison to other therapies, T4 therapy showed a considerably greater LYZ and ALP activity in mucus.
• Additionally, fish that had been given probiotic supplements showed noticeably increased serum alternative complement activity.
• The activity of superoxide dismutase was found to be higher in T4 than in SRCS groups. The findings of the present investigation showed that L. plantarum (KC426951) supplementation improved several mucosal and serum innate responses in Nile tilapia in both culture systems.

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