Effect of Dietary Replacement of Yellow Maize with Ipomoea batatas Peel Meal on Growth Performance and Haemato-logical Parameters of Clarias gariepinus Fingerlings

Abstract: This study assessed the growth performance and haematological responses of Clarias gariepinus fingerlings fed diets containing graded levels of Ipomoea batatas peel meal as a partial replacement for yellow maize. Five isonitrogenous diets (40% crude protein) were formulated to contain I. batatas peel meal at 0, 15, 30, 45, and 60% inclusion levels, designated as T1–T5. A total of 225 fingerlings with a mean initial weight of 4.55 ± 0.01 g were randomly distributed into 15 glass tanks (15 fish per tank) in three replicates. Fish were fed twice daily to apparent satiation for 56 days. Results showed that fish fed diet T3 (30% inclusion) exhibited significantly (p < 0.05) higher growth performance, feed intake, and better feed conversion ratio compared to other treatments. Growth performance declined beyond 30% inclusion. Haematological analysis revealed significant differences (p < 0.05) in white blood cell count (WBC), packed cell volume (PCV), and haemoglobin (Hb), with higher inclusion levels influencing these parameters, although values remained within acceptable physiological ranges. The study indicates that I. batatas peel meal can replace up to 30% of yellow maize in the diet of C. gariepinus fingerlings without adverse effects on growth and with manageable haematological variations.

Keywords: Growth performance; Ipomoea batatas; Clarias gariepinus; haematology

How to Cite This Article

APA (7th Edition)

Osungbemiro, N. R., & Oladipupo, T. M. (2026). Effect of dietary replacement of yellow maize with Ipomoea batatas peel meal on growth performance and haematological parameters of Clarias gariepinus fingerlings. Niger Delta Journal of Science, 1(1), 14-27.

MLA (9th Edition)

Osungbemiro, N. R., and T. M. Oladipupo. “Effect of Dietary Replacement of Yellow Maize with Ipomoea batatas Peel Meal on Growth Performance and Haematological Parameters of Clarias gariepinus Fingerlings.” Niger Delta Journal of Science, vol. 1, no. 1, 2026, pp. 14–27.

Chicago (Author-Date)

Osungbemiro, N. R., and T. M. Oladipupo. 2026. “Effect of Dietary Replacement of Yellow Maize with Ipomoea batatas Peel Meal on Growth Performance and Haematological Parameters of Clarias gariepinus Fingerlings.” Niger Delta Journal of Science 1 (1): 14–27.

Harvard

Osungbemiro, N.R. and Oladipupo, T.M., 2026. Effect of dietary replacement of yellow maize with Ipomoea batatas peel meal on growth performance and haematological parameters of Clarias gariepinus fingerlings. Niger Delta Journal of Science, 1(1), pp.14–27.

IEEE

N. R. Osungbemiro and T. M. Oladipupo, “Effect of dietary replacement of yellow maize with Ipomoea batatas peel meal on growth performance and haematological parameters of Clarias gariepinus fingerlings,” Niger Delta Journal of Science, vol. 1, no. 1, pp. 14–27, 2026.

License

This article is published under the Creative Commons Attribution 4.0 International License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.

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