Abbas, M., Radwan, M., Ahmed, D., AbdelRasheed, H., Elaraby, B., Salem, A. (2024). Unveiling the Effect of Ammonia on the Nile Tilapia (Oreochromis niloticus) Fed on the Prickly Pear (Opuntia littoralis) Cladodes as a Dietary Supplement: Haematological and Immunobiochemical Consequences. Egyptian Journal of Aquatic Biology and Fisheries, 28(6), 1859-1885. doi: 10.21608/ejabf.2024.397884
Mahmoud Abbas; Mahmoud Radwan; Diaa Ahmed; Hesham AbdelRasheed; Bassem Elaraby; Ahmed Salem. "Unveiling the Effect of Ammonia on the Nile Tilapia (Oreochromis niloticus) Fed on the Prickly Pear (Opuntia littoralis) Cladodes as a Dietary Supplement: Haematological and Immunobiochemical Consequences". Egyptian Journal of Aquatic Biology and Fisheries, 28, 6, 2024, 1859-1885. doi: 10.21608/ejabf.2024.397884
Abbas, M., Radwan, M., Ahmed, D., AbdelRasheed, H., Elaraby, B., Salem, A. (2024). 'Unveiling the Effect of Ammonia on the Nile Tilapia (Oreochromis niloticus) Fed on the Prickly Pear (Opuntia littoralis) Cladodes as a Dietary Supplement: Haematological and Immunobiochemical Consequences', Egyptian Journal of Aquatic Biology and Fisheries, 28(6), pp. 1859-1885. doi: 10.21608/ejabf.2024.397884
Abbas, M., Radwan, M., Ahmed, D., AbdelRasheed, H., Elaraby, B., Salem, A. Unveiling the Effect of Ammonia on the Nile Tilapia (Oreochromis niloticus) Fed on the Prickly Pear (Opuntia littoralis) Cladodes as a Dietary Supplement: Haematological and Immunobiochemical Consequences. Egyptian Journal of Aquatic Biology and Fisheries, 2024; 28(6): 1859-1885. doi: 10.21608/ejabf.2024.397884
Unveiling the Effect of Ammonia on the Nile Tilapia (Oreochromis niloticus) Fed on the Prickly Pear (Opuntia littoralis) Cladodes as a Dietary Supplement: Haematological and Immunobiochemical Consequences
1Zoology and Entomology Depart, Faculty of Science, Al-Azhar University, Cairo, 11884, Egypt
2Medical Laboratory Technologies. Kut university college. Kut, Wasit. 52001, Iraq
3National Institute of Oceanography & Fisheries, NIOF, Egypt
Abstract
Excessive ammonia accumulation poses significant risks to aquaculture, potentially compromising the performance and productivity of aquatic species. The investigation aimed to determine the impacts of dietary supplementation with Opuntia littoralis cladodes (OLCP) at 0% (OLCP-0), 0.5% (OLCP-1), 1% (OLCP-2), and 2% (OLCP-3) on growth performance, haematological, immuno-biochemical indices, digestive enzyme activity, and antioxidant responses. However, a study was conducted on the Nile tilapia (O. niloticus) (25.49±0.25g) for sixty days (pre-phase). After that, fish were exposed to ammonia stress (0.5mg/ L) for 24 hours (post-phase). The findings indicated that dietary OLCP, particularly at 1% and 2% levels, significantly stimulated growth and enhanced protease, amylase, and lipase activities. Data revealed improved haematological parameters and immunological markers (complement C3, lysozyme activity, and total immunoglobulin) with increased OLCP levels. However, the exposure to ammonia caused a general reduction in these parameters, and the 2% OLCP group maintained the highest improved levels. The higher concentrations of OLCP diets before and after ammonia-induced stress significantly enhanced the antioxidant defenses, especially in the 2% OLCP group. Additionally, OLCP supplementation reduced malondialdehyde (MDA) levels and leukocyte counts. Overall, the results suggested that prickly pear cladodes, can improve the growth, immune function, and antioxidant response of tilapia fish diets, especially in the 2% OLCP group, while effectively reducing the adverse impacts of ammonia exposure on their immuno-biochemical and haematological indices.
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