AI Article Synopsis
- The study assessed the impact of Jerusalem artichoke (JA) supplementation on juvenile red tilapia, focusing on factors like growth performance, blood chemistry, and disease resistance over a 4-week period.
- Results indicated that fish receiving JA-supplemented diets (5.0 g/kg and 10.0 g/kg) showed significantly better growth metrics and healthier blood profiles compared to the control group.
- Additionally, JA diets enhanced intestinal health by increasing mucous cell counts and boosted the expression of antioxidant genes, improving resistance to the Aeromonas veronii pathogen.
Article Abstract
The aim of the present study was to evaluate the effects of a Jerusalem artichoke-supplemented diet on the blood chemistry, growth performance, intestinal morphology, expression of antioxidant-related genes, and disease resistance against Aeromonas veronii challenge in juvenile red tilapia. A completely randomized design (CRD) was followed to feed red tilapias with three experimental diets: control, 5.0 g/kg JA-supplemented (JA5), or 10.0 g/kg JA-supplemented (JA10) diets in triplicates for 4 weeks. The results revealed that the growth performance, weight gain (WG), specific growth rate (SGR), and average daily gain (ADG) of fish fed diets JA5 and JA10 were significantly higher (p < 0.05) than those of fish fed the control diet. Fish fed the control diet had significantly higher T-bilirubin, D-bilirubin, and ALT in blood serum than fish fed JA5 and JA10, as well as higher BUN than fish fed JA5. The number of goblet cells in the proximal and distal parts of the intestine revealed that the number of acid, neutral, and double-staining mucous cells of fish fed diets JA5 and JA10 was significantly higher (p < 0.05) than in fish fed the control diet. The diets including the prebiotic (JA5 and JA10) were associated with a significant increase in the expression of gpx1 and gst antioxidant-related genes and disease resistance against A. veronii in juvenile red tilapia. Therefore, JA5 and JA10 can be employed as promising prebiotics for sustainable red tilapia farming.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9598478 | PMC |
| http://dx.doi.org/10.3390/ani12202882 | DOI Listing |
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