Comparative Evaluation of Efficacy and Cost of Synthetic and Non-Synthetic Hormones for Artificial Breeding of African Catfish (Clarias gariepinus Burchell, 1822)

Research Article

**Comparative Evaluation of Efficacy and Cost of Synthetic and Non-Synthetic Hormones for Artificial Breeding of African Catfish (Clarias gariepinus Burchell, 1822)**

The efficacy and cost of utilization of the pituitary extract of African bull frog (Rana adspersa) (FPE) and Clarias gariepinus (CPE) and Ovaprim in the artificial breeding of the African catfish Clarias gariepinus was compared. The extraction and dosage are discussed along side the preliminary rearing of fries in the outdoor hatchery tanks. Three C. gariepinus were injected with 0.5 mL of Ovaprim in one dose while the remaining six were injected with the pituitary extract of frog (Rana adspersa) and C. gariepinus pituitary extract in one dose at the rate of 1 mL kgG¹ of the glands. C. gariepinus injected with Ovaprim had the highest percentage fertilization (84.5%) which was significantly different from other treatments. Percentage hatchability was high and ranged from 51.5-73.0% in the different hormones treatments. The percentage hatchability shows similar pattern to percentage fertilization and latency period was 12 h for all the treatments. The cost of production was highest in CPE followed by Ovaprim and least in FPE and were significantly different (p< 0.05) from one another. The results show that the synthetic hormone (Ovaprim) is more effective than the Frog Pituitary Extract (FPE) and Clarias Pituitary Extract (CPE).

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O.T. Adebayo and O.M. Popoola, 2008. Comparative Evaluation of Efficacy and Cost of Synthetic and Non-Synthetic Hormones for Artificial Breeding of African Catfish (Clarias gariepinus Burchell, 1822). Journal of Fisheries and Aquatic Science, 3: 66-71.

DOI: 10.3923/jfas.2008.66.71

URL: https://scialert.net/abstract/?doi=jfas.2008.66.71

Journal of Fisheries and Aquatic Science

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O.T. Adebayo

O.M. Popoola

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Research Article

**Comparative Evaluation of Efficacy and Cost of Synthetic and Non-Synthetic Hormones for Artificial Breeding of African Catfish (Clarias gariepinus Burchell, 1822)**

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