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- Title
Passionfruit (Passiflora edulis) Peel Powder Stimulates the Immune and Antioxidant Defense System in Nile Tilapia, Oreochromis niloticus , Cultivated in a Biofloc System.
- Authors
Outama, Piyatida; Linh, Nguyen Vu; Xuan, Chinh Le; Wannavijit, Supreya; Tongsiri, Sudaporn; Chitmanat, Chanagun; Montha, Napatsorn; Van Doan, Hien
- Abstract
This study aimed to assess the impacts of dietary supplementation with passionfruit (Passiflora edulis) peel powder (PSPP) on the growth, immune response, and expression of immune and antioxidant-related genes in Nile tilapia (Oreochromis niloticus) maintained in a biofloc system. Fish were fed basal diets supplemented with different doses of PSPP at 10 g kg−1 (PSPP10), 20 g kg−1 (PSPP20), 40 g kg−1 (PSPP40), and 80 g kg−1 (PSPP80). The basal diet, without PSPP-supplementation, was used as a control at 0 g kg−1 (PSPP0). We observed that the dietary supplementation groups fed different levels of PSPP exhibited no substantial difference or only slight increases in growth performance and immunological response in Nile tilapia (p > 0.05), whereas fish fed diets supplemented with PSPP at concentrations of 10 g kg−1, 20 g kg−1, and 40 g kg−1 had significantly higher mRNA transcripts (approximately 1.5–4.5 fold) of immune (il-1, il-8, and lbp) and antioxidant (gst-α, gpx, and gsr) gene expressions than fish in the control treatment group (0 g kg−1). These findings suggest that dietary supplementation with PSPP may effectively stimulate the immune and antioxidant defense system and may function as feed additives in Nile tilapia cultured in a biofloc system.
- Subjects
FISH feeds; NILE tilapia; PASSION fruit; DIETARY supplements; FEED additives; GENE expression; UBIQUINONES
- Publication
Fishes (MDPI AG), 2022, Vol 7, Issue 5, p233
- ISSN
2410-3888
- Publication type
Article
- DOI
10.3390/fishes7050233