Infection dynamics of Shewanella spp. in Nile tilapia under varied water temperatures: A hematological, biochemical, antioxidant-immune analysis, and histopathological alterations

Fish & Shellfish Immunology, Journal Year: 2024, Volume and Issue: 149, P. 109588 - 109588

Published: April 26, 2024

Language: Английский

---

Essential Oil of Bay Laurel (Laurus nobilis) Enhances Growth and Immunity in Cold‐Stressed Nile Tilapia (Oreochromis Niloticus)

Journal of Animal Physiology and Animal Nutrition, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 3, 2025

ABSTRACT Bay laurel ( Laurus nobilis ) essential oil is known for its antimicrobial, anti‐inflammatory, and antioxidant properties. This study examined the effects of L. (LN) on Nile tilapia Oreochromis niloticus under cold stress conditions (16°C). Tilapia (initial weight, 5.02 ± 0.02 g) were acclimatized to 16°C 14 days before being fed diets containing 0, 0.5, 1.0, 1.5, 2.0, 2.5 g/kg LN 84 days. The 1.5 group exhibited highest final body weight gain p ≤ 0.05), while survival rates peaked at 1 g/kg. Biometric indices feed efficiency significantly enhanced, particularly 0.05). Histological analysis revealed improved intestinal hepatic structures in LN‐supplemented groups, although mild alterations observed 2.0 Blood biochemical showed increased total protein reduced cholesterol supplemented groups. Immune responses, including serum lysozyme activity bacterial inhibition, enhanced or higher Antioxidant enzyme activities, superoxide dismutase (SOD) catalase (CAT), 0.05) with supplementation, malondialdehyde (MDA) levels decreased, indicating oxidative stress. Gene expression demonstrated insulin‐like growth factor glucose transporter 4 oil, tumor necrosis factor‐alpha decreased dosages. Dietary g/kg, enhances growth, immunity, defense Future studies should optimize dosages explore broader applications across species conditions.

Language: Английский

---

Dietary Pelargonium Sidoides extract mitigates thermal stress in Oreochromis niloticus: physiological and immunological insights

Veterinary Research Communications, Journal Year: 2025, Volume and Issue: 49(3)

Published: March 24, 2025

Abstract Extreme water temperatures caused by climate change constitute a serious threat to aquaculture producers. Aquatic ectotherms, which are unable regulate their body temperature, highly affected temperature changes and serve as excellent models for studying the effects of these factors. This study aimed examine impact extreme variation on growth, biological indices, antioxidant capacity, histology, disease resistance Oreochromis niloticus . The fish were exposed 17 °C, 25 °C (control), or 33 30 days, imitating events. Additionally, mitigation trial was conducted via dietary Pelargonium sidoides root extract (PS). Compared with that at growth performance significantly impaired thermal stress. exposure O. stress, especially cold elicited significant increases in stress biomarkers (cortisol glucose), hepatorenal functions (AST, ALT, LDH, creatinine), lipid profiles (triglyceride, cholesterol, HDL, LDL). Cold induced immunosuppression terms reduced total protein, phagocytosis, serum bacterial activity, immunoglobulin, white blood cells, all increased susceptibility Aeromonas hydrophila infection mortality. In addition severe pathological lesions gills, liver, intestine, causes an imbalance antioxidant/oxidative Nevertheless, PS counteracted detrimental impacts conclusion, may be recommended enhancing immunity antioxidative mitigate These findings useful developing hypotheses about physiology immunology extreme-temperature environments.

Language: Английский

---

Dietary Carica papaya and alpha-lipoic acid synergistically promote resistance to Aeromonas hydrophila, digestive function, growth, physiological, and antioxidant responses of Nile tilapia (Oreochromis niloticus) raised under high densities

Aquaculture, Journal Year: 2025, Volume and Issue: unknown, P. 742478 - 742478

Published: March 1, 2025

Language: Английский

---

Temperature acclimation modulates stress, immunity, and apoptosis in juvenile Siberian hybrid sturgeon during simulated transport

Aquaculture, Journal Year: 2025, Volume and Issue: unknown, P. 742641 - 742641

Published: April 1, 2025

Language: Английский

---

Neuropsychiatric impact of antibiotic administration on social behavior in zebrafish: Investigating the antioxidant role of alpha lipoic acid

Bulletin of Integrative Psychiatry, Journal Year: 2024, Volume and Issue: 103(4), P. 53 - 62

Published: Dec. 15, 2024

Behavioral studies on zebrafish (Danio rerio) provide valuable insights into the effects of various compounds aquatic organisms. This study examines impact alpha-lipoic acid (ALA), ampicillin (AMP), and their combination (AMP+ALA) behavior during a 96-hour exposure period. responses were evaluated using social interaction test, which measured sociability, swimming performance assessing locomotor activity endurance. The experimental design included control group three treatment groups: ampicillin, acid, both. Ampicillin resulted in reduced performance, while showed protective effect, improving these parameters. produced variable results, suggesting potential interactions between compounds. These findings highlight behavioral substances significance for understanding compound models.

Language: Английский

---