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Partial fishmeal replacement with Spirulina (Arthrospira platensis) meal improved growth performance and health indices in Asian seabass (Lates calcarifer) juveniles under high-salinity conditions | ||
| Iranian Journal of Fisheries Sciences | ||
| دوره 24، شماره 2، خرداد 2025، صفحه 405-421 اصل مقاله (482.86 K) | ||
| شناسه دیجیتال (DOI): 10.22092/ijfs.2025.133115 | ||
| نویسندگان | ||
| P. Mousavi1؛ T. Mohammadian* 1؛ M. Torfi Mozanzadeh* 2؛ H. Alamifar3؛ M. Mesbah4؛ M. Khosravi4 | ||
| 1Department of Clinical Sciences, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran | ||
| 2Aquaculture Research Centre-South of Iran, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research Education and Extension Organization (AREEO), Ahvaz, Iran | ||
| 3Aquatic Animal Health and Diseases Department, School of Veterinary Medicine, Shiraz University, Shiraz, Iran | ||
| 4Member of Excellence Center of Warm Water Fish Health, Shahid Chamran University of Ahvaz, Ahvaz, Iran | ||
| چکیده | ||
| The effect of fishmeal (FM) replacement with Spirulina (Arthrospira platensis) meal (SPM) was investigated in Asian seabass (Lates calcarifer) diet. Dietary FM was replaced with SPM at 5 (SP5%) and 10% (SP10%) and a diet without SPM served as the control group. One hundred and thirty five L. calcarifer juveniles (45.0 ± 0.2 g) were randomly distributed into nine 300-L circular polyethylene tanks (15 fish/tank). SP10% group had the highest final weight that was associated with better feed conversion ratio value. A higher gut amylase activity was observed in SPM-treated groups than the control group. SP5% group had a higher gut trypsin activity than other treatments. The liver superoxide dismutase activity in SP5% was higher than the other groups. The liver reduced glutathione level increased with increasing SPM level in the diets. The plasma lysozyme activity in SP10% group was higher than other groups. The plasma cholesterol and alkaline phosphatase contents decreased in the fish fed with SP5%. The plasma aspartate aminotransferase decreased in the fish fed with SPM-supplemented diets. Based on the above-mentioned findings, dietary FM replacement with SPM at 10% is recommended for growth and improving health status in L. calcarifer juveniles. | ||
| کلیدواژهها | ||
| Asian seabass؛ Antioxidant capacity؛ Digestive enzymes؛ Hypocholesterolemic effect؛ Lysozyme؛ Microalgae | ||
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