Integrated biofloc technology in red tilapia aquaculture: Salinity-dependent effects on water quality, parental stock physiology, reproduction, and immune responses

The study examines the impact of integrated biofloc technology (BFT), different salinity levels, and their combined effects over 90 days on various physiological parameters. The investigation includes growth performance and feed utilization, water quality, the chemical composition of biofloc and fis...

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Bibliographic Details
Published in:Aquaculture international 2024-12, Vol.32 (7), p.8731-8761
Main Authors: Sallam, Ghada R., Shehata, Akram Ismael, Basuini, Mohammed F. El, Habib, Yusuf Jibril, Henish, Shimaa, Rahman, Afaf N. Abdel, Hassan, Youssef M., Fayed, Walied M., El-Sayed, Abdel-Fattah M., Aly, Hadir A.
Format: Article
Language:English
Subjects:
amylases
Antioxidants
Aquaculture
Biofloc technology
Biomedical and Life Sciences
Body weight
Breeding stock
carboxylic ester hydrolases
Chemical composition
Condition factor
digestive enzymes
Disease control
Dissolved oxygen
Environmental stewardship
Enzymatic activity
Enzyme activity
Feed conversion
feed intake
Feeds
Females
Fish
Food conversion
Freshwater & Marine Ecology
Freshwater fishes
growth performance
Growth rate
Life Sciences
Lipids
Males
Oreochromis
Parameters
Parental stocks (fishery)
Physiology
proteinases
Reproduction
reproductive performance
Salinity
specific growth rate
Stewardship
Survival
Tanks
Tilapia
Water quality
weight gain
Whitefish
Zoology
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Summary:The study examines the impact of integrated biofloc technology (BFT), different salinity levels, and their combined effects over 90 days on various physiological parameters. The investigation includes growth performance and feed utilization, water quality, the chemical composition of biofloc and fish, digestive enzymes, reproductive performance, stress and biochemical indicators, and antioxidant-immune responses in red tilapia ( Oreochromis spp .) broodstock. The fish were initially weighed (males: n = 270; 104 ± 0.96 g; females: n = 270; 93.2 ± 0.66 g) and subsequently divided into 12 treatment groups (6 for males and 6 for females) spread across 36 separate tanks (3 tanks per treatment; 45 fish per treatment; 15 fish/tank). The treatments involved three salinity levels (18, 28, and 36 ppt) in both clear water (CW) and BFT systems. The outcomes demonstrated that fish in the 36 ppt salinity with BFT treatment demonstrated significant improvements ( P  
ISSN:0967-6120
1573-143X
DOI:10.1007/s10499-024-01588-z