A. J. Otoh

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

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