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Dietary deacetylated chitin nanoparticles confer protection against diazinon toxicity in male African catfish: evaluation of immune-biochemical, antioxidant, and reproductive profiles.
Fish Physiol Biochem
January 2025
Fish Disease Department, Faculty of Veterinary Medicine, Aswan University, Aswan, 81528, Egypt.
Currently, deacetylated chitin (chitosan) nanoparticles (CNPs) are successfully utilized in aquaculture practices. This trial demonstrates the efficacy of CNPs in combating diazinon (DZN) toxicity in African catfish, Clarias gariepinus, via monitoring hepato-renal function, serum immune trait, hormonal function, and hepato-renal antioxidant activity. Four groups were allocated as follows: a control group, a CNPs group (0.
View Article and Find Full Text PDFPhysiological, biochemical, apoptosis-linked gene expression, and histopathological insights in Nile catfish subjected to toxicity by magnetite nanogel.
Fish Physiol Biochem
January 2025
Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Zagazig University, PO Box 44511, Zagazig, Sharkia, Egypt.
The target of this novel work is to assess the immunosuppression, genotoxicity, histopathological alterations, and cumulative mortality induced by acute toxicity of magnetite nanogel (MNG) in Nile catfish. Furthermore, a subsequent 10-day depuration period is adopted to estimate the restoration of those disturbed indices. Nile catfish (n = 180) were allotted into four groups and exposed to different concentrations of MNG (0, 1/10, 1/8, and 1/5 96-h LC).
View Article and Find Full Text PDFDietary -Mannanase Affects the Growth, Antioxidant, and Immunes Responses of African Catfish, , and Its Challenge Against Infection.
Aquac Nutr
October 2024
Department of Aquaculture and Fisheries, University of Ilorin, Ilorin, Nigeria.
Article Synopsis
- - The African catfish is a rapidly growing farmed fish, with production increasing by 20% annually, but it faces challenges from bacterial infections and limitations of plant-based feeds due to antinutritional factors like nonstarch polysaccharides (NSPs).
- - Supplementing the catfish diet with β-mannanase has the potential to boost growth, improve antioxidant levels, and enhance immunity, but its specific effects need further exploration.
- - A study revealed that diets enriched with varying levels of β-mannanase improved growth performance and digestive enzyme activity in African catfish, although it did not affect survival rates; notable improvements in gut structure and antioxidant enzyme levels were also recorded.
Impact of Chaetomorpha aerea-enriched diet on growth, feed utilization, and haemato-immunological responses in Clarias batrachus challenged with Aeromonas hydrophila.
Microb Pathog
November 2024
Department of Zoology, Government College for Women (Autonomous), Kumbakonam, 612 001, Tamil Nadu, India; Unit of Vector Control, Phytochemistry and Nanotechnology, Department of Zoology, Annamalai University, Annamalainagar, 608 002, Tamil Nadu, India. Electronic address:
The bacteria Aeromonas hydrophila, which causes motile Aeromonas septicemia (MAS), is dangerous to aquaculture because it affects the fish's well-being and production. As the aquaculture industry seeks sustainable and effective methods to enhance fish immunity and growth, natural supplements such as marine algae have gained attention. This study explored the potential benefits of incorporating the green marine algae Chaetomorpha aerea into the fish diet, focusing on disease resistance, growth, feed utilization, and hematological and immunological responses.
View Article and Find Full Text PDFModulation of the intestinal mucosal and cell-mediated response against natural helminth infection in the African catfish Clarias gariepinus.
BMC Vet Res
July 2024
Department of Cell and Tissues, Faculty of Veterinary Medicine, Assiut University, Assiut, 71526, Egypt.
Fish gut is a versatile organ serving as the primary pathway for invasion by pathogens, particularly parasites, playing a crucial role in modulating the intestinal adaptive immune response. This study aimed to investigate the cellular-mediated reaction, mucosal acidity, and the expression of proliferating cell nuclear antigen (PCNA), vascular endothelial growth factor (VEGF), and CD68 in the intestines of catfish, Clarias gariepinus, naturally infected with helminths. Forty catfish were collected from the Nile River and examined for intestinal parasites.
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