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. 2024 Nov;108(6):1877-1889.
doi: 10.1111/jpn.14027. Epub 2024 Jul 23.

Investigating the impact of nanoemulsion of curcumin-loaded olive oil on growth performance, feed utilization, immunological responses, and redox status of Litopenaeus vannamei shrimp with emphasis on economic efficiency of supplementation

Ahmed F Fath El-Bab  1 , Ibrahim T El-Ratel  1 , Abdel-Wahab A Abdel-Warith  2 , Elsayed M Younis  2 , Simon J Davies  3 , Ali Ali El-Raghi  1
Affiliations

Investigating the impact of nanoemulsion of curcumin-loaded olive oil on growth performance, feed utilization, immunological responses, and redox status of Litopenaeus vannamei shrimp with emphasis on economic efficiency of supplementation

Ahmed F Fath El-Bab et al. J Anim Physiol Anim Nutr (Berl). 2024 Nov.

Abstract

The trail aimed to explore the effect of dietary supplementation of curcumin loaded olive oil nanoemulsion (CUR-OLNE) on growth performance, feed utilization, blood biochemical, redox status, and immune response of Litopenaeus vannamei shrimp, considering the economic efficiency of supplementation. A total of 280 healthy shrimps (3.42 ± 0.02 g) were randomly distributed into five equal groups and were fed diets containing 0 (CUR-OLNE0), 5(CUR-OLNE5), 10(CUR-OLNE10), 15(CUR-OLNE15) and 20 (CUR-OLNE20) mg CUR-OLNE/kg diet, respectively for 16 weeks. Among CUR-OLNE treated groups, CUR-OLNE20 showed the highest growth performance and feed utilization traits, including final body weight, specific growth rate, feed conversion ratio, and protein efficiency ratio. Notably, the photomicrographs provided further compelling evidence regarding the potential effect of CUR-OLNE supplementation on muscle structure and integrity. Compared to the control, the levels of blood protein significantly induced in CUR-OLNE15 and CUR-OLNE20 treated groups (p < 0.05). All CUR-OLNE -supplemented groups possessed lower activities of liver enzymes as well as the levels of urea and creatinine compared to the control (p < 0.05). The addition of 20 mg CUR-OLNE/kg diet decreased the concentrations of cortisol, glucose and triglycerides. The dietary treatment significantly improved the secretion of digestive enzymes, including amylase, lipase, and protease. The lowest levels of Malondialdehyde and the highest levels of total antioxidant capacity, super oxide dismutase, catalase, lysozyme and immunoglobulin M were detected in both of CUR-OLNE15, and CUR-OLNE20 treated groups compared to the control (p < 0.05). There were considerable significant effects of dietary supplementation of CUR-OLNE on economic efficiency. In conclusion, the application of nanocarriers for the delivery of dietary immune stimulants such as CUR-OLNE to Litopenaeus vannamei shrimp is a promising strategy for improving shrimp nutrition. The addition of 20 mg CUR-OLNE/kg to the diets of can be recommended as an affective intervention to improve growth performance, feed utilization, and health status of shrimp. Implementing this intervention can maximize the economic efficiency of shrimp farming while promoting sustainable practices in the industry.

Keywords: antioxidant; aquaculture nanotechnology; curcumin; feed efficiency; growth performance.

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References

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