Dr. Lawrence Enyioha Okonko
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Dr. Lawrence Enyioha Okonko

Clifford University, Owerrinta, Abia State, Nigeria

Highest Degree
Ph.D. (Honors) in Animal Genetics and Breeding from University of Calabar, Calabar, Nigeria

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Area of Interest:

Molecular Biology
Genomics and Genetics
Animal Genetics
Genetic Toxicology
Animal Biotechnology

Research Publications in Numbers


Selected Publications

  1. Okonko, L.E., N.O. Sam-Uket and E.V. Ikpeme, 2021. Injurious effects of glyphosate on sperm profile and testicular tissues of Wistar rat. Asian J. Appl. Sci., 14: 9-14.
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  2. Okonko, L.E., N.O. Sam-Uket and J.N. Efienokwu, 2020. Antioxidant activities of African basil (Ocimum gratissimum) and African nutmeg (Monodora myristica) in wistar rat. Res. J. Medic. Plants, 14: 188-192.
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  3. Okonko, L.E., E.V. Ikpeme, O.U. Udensi and S.E. Kalu, 2019. Analysis of proximate, mineral and toxicant compositions of eggs of quail and chicken given aflatoxin contaminated feed. Trends Appl. Sci. Res., 14: 125-129.
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  4. Okonko, L.E., E.V. Ikpeme and S.E. Kalu, 2019. Sperm profile and testicular weight assessment of albino rats administered African nutmeg (Monodora myristica) and African Basil (Ocimum gratissimum). Asian J. Biol. Sci., 12: 477-481.
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  5. Ekpo, P., U. Uno, A. Umoyen and L. Okonko, 2018. 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). Int. J. Biochem. Res. Rev., 22: 1-8.
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  6. Okonko, L.E., E.V. Ikpeme and O.U. Udensi, 2016. Genotoxic effect of chlorpyrifos and cypermethrin in albino rats Res. J. Mutagen., 6: 31-35.
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  7. Ikpeme, E.V., L.E. Okonko and O.U. Udensi, 2016. Detrimental effects of chlorpyrifos and cypermethrin on reproductive physiology of male albino rats. Res. J. Environ. Toxicol., 10: 68-74.
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  8. Ikpeme, E.V., O.U. Udensi and L.E. Okonko, 2015. Deleterious effect of chlorpyrifos and cypermethrin on oxidative stress enzymes and biochemical indices of male albino rats. J. Med. Sci., 15: 204-208.
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