U. U. George

Valorization of Ripe Plantain Peel Waste in Aquaculture: Acute Toxicity, Behavioural Responses and Tissue Alterations in Juvenile African Catfish (Clarias gariepinus) (Burchell, 1822)

U. U. George, C. C. Okorie, A. C. Agbara & I. E. George · Asian Journal of Biology · 2026

This study evaluated the acute toxicity, behavioural responses, water-quality variations, and histopathological alterations in the gills and liver of juvenile Clarias gariepinus exposed to an ethanolic extract of ripe plantain (Musa paradisiaca) peels. Fish were exposed to extrac...

Open access Research Article 10.9734/ajob/2026/v22i7674

Safety Evaluation of Ripe Banana Peel (Musa acuminata) Waste as a Potential Aquaculture Feed Additive through Acute Toxicity and Histopathological Studies in Juvenile Clarias gariepinus

U. U. George, O. O. Ajayi, C. C. Okorie, A. C. Agbara & I. E. George · Asian Journal of Environment & Ecology · 2026

The safe use of agricultural wastes in aquaculture feeds requires prior toxicological assessment. This study evaluated the acute toxicity and histopathological effects of an ethanolic extract of ripe banana peel (Musa acuminata) in juvenile African catfish (Clarias gariepinus). F...

Open access Research Article 10.9734/ajee/2026/v25i8994

Acute Toxicity Assessment of Ethanolic Extract of Unripe Plantain (Musa paradisiaca) Peel on Juveniles of Clarias gariepinus (Burchell, 1822): Implications for Its Use as a Feed Additive in Aquaculture Diets

U. U. George, C. C. Okorie, A. C. Agbara & I. E. George · Asian Journal of Fisheries and Aquatic Research · 2026

The increasing search for cost-effective and sustainable feed additives in aquaculture has stimulated interest in the utilisation of agricultural wastes such as unripe plantain (Musa paradisiaca) peels. This study evaluated the acute toxicity of ethanolic extract of unripe planta...

Open access Research Article 10.9734/ajfar/2026/v28i81134

Dose-Response Relationship and Histo-morphological Alterations on Oreochromis niloticus Juveniles Following Exposure to Ethanolic Extract of Latana camara

U. U. George, A. J. Otoh, O. O. Ajayi & I. E. George · Asian Journal of Research in Zoology · 2023

Aim: This research intends to evaluate the toxicity of latana camara and ascertain if it can be useful as a plant-based additive in the formulation of fish feed. Study Design: The study was conducted using two replicate (Batch A and B) for 96 hours under controlled laboratory con...

Open access Research Article 10.9734/ajriz/2023/v6i4124

Studies on Mortality and Histopathological Alteration on the Gills of Oreochromis niloticus Juveniles Following Exposure to Ethanolic Extract of Phramenthera capitata under Laboratory Conditions

U. U. George, A. J. Otoh, O. O. Ajayi & I. E. George · Asian Journal of Fisheries and Aquatic Research · 2023

The study was conducted using two replicate (Batch A and B) for 96 hours under controlled laboratory conditions, with five different concentrations of the extract ranging from 0 to 40 mg/l. The results of the study revealed that the extract had a concentration-dependent toxic eff...

Open access Research Article 10.9734/ajfar/2023/v24i3634

Establishing a Dose-response Toxicity for Clarias gariepinus Fingerlings Exposed to Ethanolic Extract of Lantana camara

U. U. George, O. O. Ajayi, I. E. George & U. E. Vincent · Asian Journal of Fisheries and Aquatic Research · 2023

The toxicity of lantana camara on the survival and histopathology of gills of Clarias gariepinus fish from Fisheries unit, Akwa Ibom State University Obio Akpa, farm was studied in two batches (A, and B) using the ethanolic extract (EE) of Lantana camara for 96 hours under labora...

Open access Research Article 10.9734/ajfar/2023/v24i1622

Isolation and Identification of Zooplankton in a Tropical Stream in Akwa Ibom State, Nigeria

A. J. Otoh, U. U. George, P. Ekpo & A. Inyang-Etoh · Asian Journal of Environment & Ecology · 2023

An investigation of zooplankton in a tropical stream in Akwa Ibom State was carried out at three different stations between April and June, 2019. From the study it is revealed that the zooplankton species were wide spread and abundant in all the studied stations with station 3 re...

Open access Research Article 10.9734/ajee/2023/v21i4468

Phytoplankton Composition and Abundance in Mbiakong River, Cross River Estuary, Niger Delta, Nigeria

G. I. Asuquo, I. I. Akpan, U. U. George, I. E. Asuquo, J. E. Ukpatu & I. N. Ejiogu · Asian Journal of Environment & Ecology · 2022

The phytoplankton composition and abundance in Mbiakong River, Cross river estuary, Niger Delta, Nigeria was studied for a period of one year (March, 2021-February, 2022). Plankton net of mesh size 55µm was used to collect plankton samples from below the water surface, after towi...

Open access Research Article 10.9734/ajee/2022/v19i4424

Heavy Metal Assessment in Sediments of Qua Iboe River Estuary, South-South, Nigeria

Auquo Peter Asuquo, I. I. Akpan, N. O. Abiaobo & U. U. George · Asian Journal of Research in Zoology · 2023

Heavy metal assessment in Sediments from Qua Iboe River Estuary, South-South, Nigeria was steered between January, 2022 and December, 2022 with the goal of understanding the route sources of heavy metal concentration within the system. Sediment samples were collected monthly from...

Open access Research Article 10.9734/ajriz/2023/v6i4119