Reproductive biology and impacts on aquatic species
Peer reviewed
Abstract
Abstract
The study is designed to find out the effect of non synthetic hormones (dry and wet pituitary gland) and synthetic hormone (ovulin) on spawning performance of catfish clarias gariepinus. The research was carried out at the hatchery unit of the Fisheries Department, Kebbi State University of Science and Technology Aliero, (KSUSTA). Ten (10) matured brood stocks measuring about 900g to 1000g was sourced from Labana Farm Aliero and transported to Fisheries Lab KSUSTA for this study. Two (2) males and three (3) females’ broodfish was selected base on their quality for breeding purposes. Three (3) female brood stocks were divided in to three (3) treatments. T1, T2 and T3 respectively, each treatment was injected with the different hormones. T1 was injected with dry CgPGE hormones of 1ml/1kg, T2 was injected with wet CgPGE hormone of 1ml/1kg and T3 was injected with synthetic hormone (ovulin) at rate of 0,5ml/kg. The rate of fertilization is higher at the broodstock treated with T1 (88%) comparing it with the T2 & T3 that have (86%, 86%). The latency period of between 9.45 - 12.09hrs for all the treatments. The female injected with wet CgPGE has the lower percentage of hatchability (88.00ᵇ ± 14.57) and T1 has the higher percentage of the hatchability (196.67ᵃ ± 27.28). The Survival rates also followed the same pattern with the hatchability rate. The survival rate was higher in T3 & T1 respectively. It’s concluded that the fish treated with wet CgPGE has the high percentage of survival rate (35), followed by the fish treated with dry CgPGE (33). The synthetic ovulin has the lower percentage of survival rate although it has the high percentage of hatchability rate followed by dry CgPGE hormone.
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@article{Bawa2026Effect,
title = {Effect of Non-Synthetic Hormones (Dry and Wet Pituitary Gland) and Synthetic Hormone (OVULIN) on Spawning Performance of African Catfish Clarias gariepinus},
author = {D. Y Bawa},
journal = {INTERNATIONAL JOURNAL OF AGRICULTURE AND EARTH SCIENCE},
year = {2026},
doi = {10.56201/ijaes.v10.no4.2024.pg31.41},
url = {https://doi.org/10.56201/ijaes.v10.no4.2024.pg31.41}
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