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Otoh, A. J.

Publications (6)

Comparative Study on Induce Breeding of Clarias gariepinus on Growth and Survival Using Synthetic Hormone and Pituitary Extract

Otoh, A. J., Offiong, E. E., George, U. U., Afia, O. E. & Umoh, E. I. · Asian Journal of Fisheries and Aquatic Research · 2025

Aim: To investigate the effects of inducing broodstock with Artificial and Natural hormones on the growth and survival of Clarias garipeinus. Study Design: Treatments were assigned using complete randomized design. Place and Duration of the Study:  Fish farm complex of Akwa Ibom...

Open access Research Article 10.9734/ajfar/2025/v27i3892

Egg Quality and Fecundity of Clarias gariepinus Broodstock Cultured at Different Water Depths in Indoor Concrete Tanks

Otoh, A. J., Udoh J. P. & Okoko A. C. · Asian Journal of Fisheries and Aquatic Research · 2024

Aims: To investigate the fecundity and egg quality of C. gariepinus broodstock raised at 0.50 m, 0.75 m and 1.0 m pond water depth. Study Design:  Treatments were assigned using complete randomized design. Place and Duration of Study: Fish Farm Complex of the Akwa Ibom State Univ...

Open access Research Article 10.9734/ajfar/2024/v26i6773

Investigation into the Impacts of Varied Batches of Stripped Eggs on the Reproductive Success of Clarias gariepinus

Otoh, A. J., George, U. U., Asangusung, P. S., Okoko, A. C., Ekanem, I. E. & Umaha, M. N. · Asian Journal of Research in Zoology · 2024

This study was conducted at the hatchery complex of Akwa Ibom State University to investigate the effects of different batches of stripped egg on reproductive performances of Clarias gariepinus. Nine brood stocks of Clarias gariepinus (six males and 3 females) with average body w...

Open access Research Article 10.9734/ajriz/2024/v7i2146

Comparative Study of Inducing Broodstock with Natural and Artificial Hormones on Reproductive Performances of Clarias gariepinus

Otoh, A. J., Ekanem, I. E., Okoko, A. C., Asangusung, P. S. & George, U. U · Asian Journal of Fisheries and Aquatic Research · 2024

This study was conducted to investigate the effects of artificial and natural hormones (ovaprim and pituitary extract) on the reproductive performances of Clarias gariepinus (African catfish). A total of twenty brood stock, 12 males and 8 females with mean weight of 2.0 kg each w...

Open access Research Article 10.9734/ajfar/2024/v26i3744

Effect of Different Ages of African catfish (Clarias gariepinus) Broodstock on Reproductive Performance and Fries Production

Otoh, A. J., Okoko, A. C., Asangusung, P. S., Ekanem, I. E., George, U. U & Idiong, T. E · Asian Journal of Fisheries and Aquatic Research · 2024

This study was conducted at the hatchery complex of Akwa Ibom State University to investigate the effect of different ages of African catfish (Clarias gariepinus) on their reproductive performances. Eighteen (18) broodstock of Clarias gariepinus (3 males and 3 females) from each...

Open access Research Article 10.9734/ajfar/2024/v26i3745

Effects of Multiple Batches of Stripped Eggs on the Reproductive Performances of Heterobranchus longifilis

Otoh, A. J., Okoko, A. C., Ekanem, I. E., George, U. U. & Asangusung, P. S. · Asian Journal of Research in Zoology · 2024

Studying the effects of multiple batches of stripped eggs contributes to the sustainability and viability of aquaculture practices by improving our understanding of reproductive performance and informing best practices in breeding programs, hence, the need to investigate on the e...

Open access Research Article 10.9734/ajriz/2024/v7i2144