Skip to content
A

A. J. Umoyen

Publications (10)

Mitigating Effect of Honey on Caffeine Induced Oxidative Stress in Male Albino Rats

U. U. Uno, A. J. Umoyen & U. B. Ekaluo · Journal of Scientific Research and Reports · 2018

Aim: The study was aimed at determining the mitigating effect of honey on oxidative stress induced by caffeine using oxidative stress markers such as superoxide dismutase (SOD), catalase, Glutathione and malondialdehyde, in male albino rats. Study Design: A completely randomized...

Open access Research Article 10.9734/JSRR/2018/44014

Ameliorating Potential of Honey on Caffeine Induced Sperm Toxicity in Male Albino Rats

U. U. Uno, A. J. Umoyen, I. S. Esua, F. O. Okey & U. B. Ekaluo · Journal of Advances in Biology & Biotechnology · 2018

This study evaluated the ameliorating effect of honey on caffeine-induced sperm toxicity in male albino rats. Thirty healthy male albino rats of 12 weeks old were divided into five groups with six rats in each group using a Completely Randomized Design (CRD). The experimental ani...

Open access Research Article 10.9734/JABB/2018/43249

Analysis of CYP1B1 Gene Mutations Spectrum in Families with Open-Angle Glaucoma in Calabar, Nigeria

M. E. Kooffreh, A. J. Umoyen, E. V. Ikpeme, O. U. Udensi, E. E. Ekerette, O. M. Etukudo, E. Okon, E. Eze, N. Ephraim, S. O. Abraham, N. M. Effiong, M. O. Ozoje & R. Duke · Journal of Advances in Medical and Pharmaceutical Sciences · 2018

Background: Primary open-angle glaucoma is one of the commonest causes of blindness due to optic nerves damage because of elevated intraocular pressure and it is the commonest form of glaucoma. We determined the frequency of CYP1B1 gene mutations spectrum among families with open...

Open access Research Article 10.9734/JAMPS/2018/41763

Evaluating the Effect of Moringa (Moringa oleifera) Leaf Supplemented Feed on the Growth and Carcass Quality of Broilers in Calabar

N. E. Edu, P. B. Ekpo, A. J. Umoyen, T. L. Thomas, M. O. Akpan, E. A. Leo & I. E. Job · Asian Journal of Advanced Research and Reports · 2019

Background: Rapid population growth of human and livestock create increasing demands for food, nutrition security in developing countries and therefore alternative feed resources must be identified and evaluated. This study was carried out to investigate the effects of Moringa ol...

Open access Research Article 10.9734/ajarr/2019/v7i130162

Effect of Phyllanthus amarus on Some Reproductive Indices of Male Albino Rats

P. B. Ekpo, N. E. Edu, A. J. Umoyen, T. L. Thomas & S. O. Abraham · Journal of Applied Life Sciences International · 2019

Background: Medicinal plants have been a good source of drugs for humans, but chronic and prolong use of medicinal plants like Phyllanthus amarus for the treatment of malaria and other disorders are issues of concerns. This study evaluated the effect of Phyllanthus amarus on repr...

Open access Research Article 10.9734/jalsi/2019/v20i130076

Spermatotoxic Effects of Some Medicinal Plants (Carica papaya, Hibiscus rosa-sinensis and Ipomoea batatas) on Sperm Quality and Testicular Weight in Male African catfish (Clarias gariepinus)

P. B. Ekpo, U. U. Uno, A. J. Umoyen & L. E. Okonko · International Journal of Biochemistry Research & Review · 2018

This study was designed to evaluate the effects of pawpaw (Carica papaya) seeds, hibiscus plant (Hibiscus rosa-sinensis) leaves and sweet potato (Ipomoea batatas) leaves extracts on sperm quality (sperm motility, sperm density, semen volume) and weight of testes of male Clarias g...

Open access Research Article 10.9734/IJBCRR/2018/42753

Relationships among Phenotypic Traits of Giant African Land Snails in Western region of Nigeria

O. M. Etukudo, E. E. Ekerette & A. J. Umoyen · Journal of Advances in Biology & Biotechnology · 2018

Relationships among Phenotypic Traits of Giant African Land Snails in Western region of Nigeria The relatedness among three populations (A. achatina, A. fulica and A. marginata) of giant African land snails, a highly relished source of protein in West Africa was studied.  Three h...

Open access Research Article 10.9734/JABB/2017/35066

Phenotypic Correlations and Body Weight Prediction of Two Ectotypes of Giant African Land Snails (Archachatina maginata, Swain.) Based on Number of Whorls in Calabar, Nigeria

O. M. Etukudo, E. E. Ekerette & A. J. Umoyen · Asian Research Journal of Agriculture · 2017

Background: Giant African land snail (Archachatina marginata) is a micro livestock with potentials as a protein source especially among impoverished individuals. As such, it requires much research attention to fully unveil it genetic nature for possible improvements. Materials an...

Open access Research Article 10.9734/ARJA/2017/33778

Reproductive Performance of Carica papaya, Hibiscus rosa-sinensis and Ipomoea batatas on Female African Catfish (Clarias gariepinus)

P. B. Ekpo, U. U. Uno, C. M. Adilieje, A. J. Umoyen & F. O. Okey · Biotechnology Journal International · 2018

This study investigated the reproductive performance of pawpaw (Carica papaya) seeds, hibiscus plant (Hibiscus rosa-sinensis) leaves and sweet potato (Ipomoea batatas) leaves on some reproductive parameters (ovary weight, mean egg diameter and egg fecundity) in female African cat...

Open access Research Article 10.9734/BJI/2018/42026

Evaluation of Genetic Diversity in Giant African Land Snails Using Inter Simple Sequence Repeats (ISSR) Markers

O. M. Etukudo, B. O. Asuquo, U. B. Ekaluo, B. Okon, E. E. Ekerette, A. J. Umoyen, O. U. Udensi, L. A. Ibom, C. A. Afiukwa & D. O. Igwe · Asian Journal of Advances in Agricultural Research · 2018

V Evaluation of Genetic Diversity in Giant African Land Snails Using Inter Simple Sequence Repeats (ISSR) Markers The genetic diversity and relatedness among three populations (A. achatina, A. fulica and A. marginata) of giant African land snails, a highly relished source of prot...

Open access Research Article 10.9734/AJAAR/2018/41088