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dc.contributor.authorHien Van Doanen_US
dc.contributor.authorSeyed Hossein Hoseinifaren_US
dc.contributor.authorRamasamy Harikrishnanen_US
dc.contributor.authorTrisadee Khamloren_US
dc.contributor.authorMontri Punyatongen_US
dc.contributor.authorWanaporn Tapingkaeen_US
dc.contributor.authorMorteza Yousefien_US
dc.contributor.authorJorge Palmaen_US
dc.contributor.authorEhab El-Harounen_US
dc.description.abstractAn 8-week growth trial was conducted to examine the efficacy of pineapple peel powder (PAPP) on growth rate and immunity of Nile tilapia, O. niloticus. Three hundred Nile tilapia (20.91 ± 0.11 g) were fed five diets containing different levels of PAPP at 0, 10, 20, 30 and 40 g kg−1 PAPP, respectively. After four and eight weeks of the feeding trial, growth rates, and immune responses were tested. A challenge test using Streptococcus agalactiae and relative immune gene expression were performed after eight weeks of PAPP feeding. It was found that skin mucus and serum lysozyme, skin mucus and serum peroxidase, alternative complement, phagocytosis, and respiratory burst activities were significantly increased with the addition of PAPP. The maximum (P ≤ 0.05) innate immune values were noted in fish fed 10 g kg−1 PAPP. Similarly, the up-regulation of IL1, IL8, and LBP gene expressions were also detected in fish fed PAPP diets, with the maximum value was found in 10 g kg−1 PAPP fed fish. The relative percentage of survival (RPS) of Oreochromis niloticus after the challenge test were (56.00%, 72.00%, 60.00%, and 44.00%) for the 5, 10, 20 and 40 g kg−1 PAPP diets, respectively. Fish fed the 10 g kg−1 PAPP supplemented diet achieved the highest (P < 0.05) survival rate against S. agalactiae. Growth and feed efficiency were outstandingly (P < 0.05) enhanced in the PAPP groups. In conclusion, PAPP can be potentially used as a feed additive in Nile tilapia culture under Biofloc system.en_US
dc.subjectAgricultural and Biological Sciencesen_US
dc.subjectEnvironmental Scienceen_US
dc.subjectImmunology and Microbiologyen_US
dc.titleImpacts of pineapple peel powder on growth performance, innate immunity, disease resistance, and relative immune gene expression of Nile tilapia, Oreochromis niloticusen_US
article.title.sourcetitleFish and Shellfish Immunologyen_US
article.volume114en_US of Agriculture Cairo Universityen_US University of Agricultural Sciences and Natural Resourcesen_US Universityen_US do Algarveen_US Mai Universityen_US's College for Menen_US
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