Ginkgo Biloba Supplementation Boosted Tilapia Health
A 98-day feeding trial showed that Ginkgo biloba leaf extract improves growth and immunity in Nile tilapia.
Updated on Oct. 5, 2026 in Nutrition
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Researchers found that incorporating Ginkgo biloba leaf extract into the diet of Nile tilapia enhanced growth rates, immune responses, and antioxidant status. The study evaluated supplementation concentrations ranging from 0 to 24 g/kg over a 98-day period.
Why it matters
The findings offer a potential sustainable alternative to the use of in-feed antibiotics in aquaculture systems. By improving fish physiological markers, the supplement could support healthier production cycles in the farming industry.
A 98-day feeding trial tested GBLE concentrations of 0, 6, 12, 18, and 24 g/kg on fish with an initial body weight of 8.39 g. Optimal GBLE levels were identified at 20.75 g/kg for growth and 16.44 g/kg for feed efficiency.
The details
Supplementation resulted in increased hemoglobin concentration and lymphocyte percentages while lowering serum cholesterol and triglycerides. Analysis of hepatic sections showed no signs of inflammation or necrosis in groups receiving the extract.
Timeline
The feeding trial lasted for a total of 98 days.
The Big Picture
This research is part of the ongoing research into alternatives to in-feed antibiotics in aquaculture. It provides experimental evidence that botanical extracts can achieve physiological benefits traditionally sought through pharmaceutical interventions.
While this study focuses on aquaculture, the results highlight how dietary supplements can influence metabolic health markers like triglycerides and cholesterol. Consumers can monitor future applications of these findings as they may eventually impact the quality and nutritional profile of farmed fish.
The takeaway
Botanical additives like Ginkgo biloba show promise in enhancing livestock health metrics without relying on antibiotics. These results suggest a viable path for improving aquaculture sustainability through precise dietary management.
Further reading
Learn more about the latest findings in Nutrition.
More information
Read the complete peer-reviewed research study for full methodology.
Source note: This article includes information reported by Nature.
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Should the aquaculture industry prioritize natural phytogenic feed additives over traditional antibiotic growth promoters?
