Work

Effect of monocultures and polyculture systems different stocking density on fatty acids profile of Nile tilapia Oreochromis niloticus and African catfish Clarias gariepinus fingerlings reared in concrete ponds

Year: 2025

Type: article

Abstract: This study examined the effect of monocultures and polycultures system different stocking density on fatty acids profile of Nile tilapia Oreochromis niloticus and African catfish Clarias gariepinus (15.05±0.14 and 25.05±0.14 g body weight) randomly stocked in indoor tanks and reared over 16 weeks in seven treatments (1 Tilapia O. niloticus: 0 Catfish C. gariepinus, 0 Tilapia O. niloticus: 1 Catfish C. gariepinus, 1 Tilapia: 1 Catfish, 2 Tilapia: 1 Catfish, 3 Tilapia: 1 Catfish, 1 Tilapia: 2 Catfish and 1 Tilapia: 3 Catfish) of four stocking density (SD) 12, 24, 36 and 48 fish/m-3 set up in triplicates. Data analysis using SPSS, One way ANOVA; The results showed Twenty-seven fatty acids in Nile tilapia O. niloticus and twenty-eight fatty acids in catfish C. garpenus. The results showed that the fatty acids profile ranged from C6:0 to C24:1 and the highest number 23 and 24 of fatty acids in 1 Tilapia: 3 Catfish and SD/48fish respectively. The polyculture body proximate composition was significantly high (p<0.05) C16:0 and C18:1n-9; and total saturated fatty acids (SFA), monounsaturated fatty acids (MUFA) and polyunsaturated fatty acids (PUFA) levels at 1 Tilapia O. niloticus: 0 Catfish C. gariepinus and 1 Tilapia: 2 Catfish and; 1 Tilapia O. niloticus: 0 Catfish C. gariepinus, 2 Tilapia: 1 Catfish and 0 Tilapia O. niloticus: 1 Catfish C. gariepinus. in contrast to body proximate composition, increasing stocking density resulted in significantly higher (p<0.01) total Monounsaturated fatty acid and Polyunsaturated fatty acid levels at SD36 and SD48fish/m-3 density, respectively. Results suggest that (O. niloticus and catfish C. gariepinus) can be reared in indoor tanks at a stocking density of 36-48 fish/m-3 and polyculture (1 Tilapia: 2 Catfish and 1 Tilapia: 3 Catfish) to achieve acceptable growth performance and better quality.

Source: International Journal of Fisheries and Aquatic Studies

DOI: 10.22271/fish.2025.v13.i5a.3144

Authors: Hassan M Yagoub, Fathia A Khogali, Ramzy A Yousif, Mohamed T Ibrahim

Institution: Sudan University of Science and Technology

Language: English

Topic: Aquaculture Nutrition and Growth

Subfield: Aquatic Science

Field: Agricultural and Biological Sciences

Domain: Life Sciences

SDG: Zero hunger

Open Access status: diamond

OpenAlex ID: W4414022723