Comparative Impacts of Plant-Derived Functional Diets (Azolla, Duckweed, and Napier Grass) on Growth, Hematology, and Serum Biochemistry of Grass Carp (Ctenopharyngodon Idella) | ||
| Egyptian Journal of Aquatic Biology and Fisheries | ||
| Volume 29, Issue 6, November and December 2025, Pages 253-268 PDF (291.64 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejabf.2025.428933.6703 | ||
| Authors | ||
| Muhammad Shafiq1; BASIM SALEEM AHMED* 2; Nuha Hameed Albassam3; Nidhal Tahseen Taha Al-Taee Tahseen Taha Al-Taee4; Ayesha Shahid5; ALI HASSAN6; Muhammad Owais7; Syed Sibt E Hassan8 | ||
| 1Department of Zoology, University of Education, Township Lahore. | ||
| 2-Department of biology/faculty of science/ university of zakho. -Anesthesia Department, college of health sciences, Cihan University-Duhok. | ||
| 3Department of Animal Production, College of Agriculture, University of Tikrit, Salah Al-deen, Iraq | ||
| 4University of Mosul, College of Agriculture and Forestry, Department of Animal Production, Mosul, Iraq. | ||
| 5Department of Zoology, Government College University Lahore | ||
| 6Department of Zoology, Ghazi University, Dera Ghazi Khan, Punjab, Pakistan | ||
| 7Department of Zoology, Ghazi University, Dera Ghazi Khan. | ||
| 8School of Life Sciences, Shanxi University, China | ||
| Abstract | ||
| This study assesses the effects of partial dietary replacement with three plant-based ingredients, Azolla (Azolla pinnata), Duckweed (Lemna minor), and Napier grass (Pennisetum purpureum), on growth performance, hematological indices, and serum biochemical parameters in grass carp (Ctenopharyngodon idella). A 60-day feeding trial was conducted using 240 juvenile fish (initial weight 14.38 ± 0.12 g) randomly distributed into four dietary groups: a control (T0) and three experimental diets containing 10% Azolla (T1), Duckweed (T2), or Napier grass (T3). Each treatment was replicated three times. Growth parameters, feed utilization, hematological profiles, and serum biomarkers were assessed post-trial. Results indicated that the T2 (Duckweed) group exhibited significantly superior final body weight (58.1 ± 1.4 g), weight gain (43.8 ± 1.5 g), specific growth rate (2.757 ± 0.044 % day⁻¹), feed conversion ratio (2.171 ± 0.035), and protein efficiency ratio (1.531 ± 0.032) compared to the control and other treatments (P< 0.05). Hematological analysis revealed significantly elevated red and white blood cell counts, hemoglobin, and hematocrit values in the T2 group. Serum biochemical profiles indicated higher total protein, albumin, and globulin levels, along with reduced glucose, cholesterol, triglycerides, and hepatic enzyme activities (AST, ALT, and ALP) in Duckweed-fed fish. Azolla supplementation yielded intermediate results, while Napier grass led to the poorest performance across all parameters. The study concludes that Duckweed at 10% inclusion is a highly effective, sustainable feed ingredient for enhancing growth and health in grass carp aquaculture, whereas Napier grass is less suitable as a primary dietary component. | ||
| Keywords | ||
| Azolla; Duckweed; Napier grass; Growth; Hematology; Serum biochemistry; Ctenopharyngodon idella | ||
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