Hyperthermal stress potentiates enhanced lipid utilisation in genetically improved farmed Tilapia, Oreochromis niloticus juveniles

Hyperthermal stress potentiates enhanced lipid utilisation in genetically improved farmed Tilapia, Oreochromis niloticus juveniles

The present experiment evaluated whether dietary protein (P) or lipid (L) is preferred as an energy source by genetically improved farmed tilapia (GIFT) reared at high temperatures. A 60-day feeding trial was conducted at 28.3 °C and 33.3 °C, testing five diets with varying protein (34,36,38 %) and...

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Veröffentlicht in:Comparative Biochemistry and Physiology Part B: Biochemistry and Molecular Biology 2025-01, Vol.275, p.111033, Article 111033
Hauptverfasser: Akhila, S., Varghese, Tincy, Sahu, Narottam Prasad, Gupta, Subodh, Dasgupta, Subrata, Deo, Ashutosh D., Mannur, Vijayakumar Sidramappa, Nathaniel T, Paul, Chandan, Nitish Kumar
Format: Artikel
Sprache:eng
Schlagworte:
Animal Feed - analysis
Animals
Animals, Genetically Modified
Cichlids - genetics
Cichlids - growth & development
Cichlids - metabolism
Energy source
Fatty Acids - metabolism
Fish Proteins - genetics
Fish Proteins - metabolism
High-lipid diet
Hot Temperature
Lipid Metabolism - drug effects
PPAR alpha - genetics
PPAR alpha - metabolism
PPAR- α
Stress, Physiological
Thermal stress
Thermo-resilient diet
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Zusammenfassung:The present experiment evaluated whether dietary protein (P) or lipid (L) is preferred as an energy source by genetically improved farmed tilapia (GIFT) reared at high temperatures. A 60-day feeding trial was conducted at 28.3 °C and 33.3 °C, testing five diets with varying protein (34,36,38 %) and lipid (8,10,12 %) levels, viz., P38L8, P36L8, P34L8, P34L10, P34L12. Parameters assessed included growth, body composition, serum lipids, enzyme activities, fatty acid profiles, and PPAR-α mRNA expression. Results indicated that the fish fed optimum protein and highest lipid level (P34L12) showed significantly higher (P 
ISSN:1096-4959
1879-1107
1879-1107
DOI:10.1016/j.cbpb.2024.111033