Induced breeding of African catfish (Clarias gariepinus) under varying brood stock ratios

Induced breeding of African catfish (Clarias gariepinus) under varying brood stock ratios

Abdulraheem

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Dr. I. Abdulraheem

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S. O. Otubusin

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O. Olowofeso

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George

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F.A.O.

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Agbebi

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O. T.

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K. A. Adeyemi

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Ashley-Dejo S. S

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Federal University of Agriculture

Induced breeding of African catfish (Clarias gariepinus) under varying brood stock ratios

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Abstract

A reputable fish farm in Abeokuta, Ogun State, Nigeria were used to carry out studies on the induced breeding of Clarias gariepinus under varying brood stock ratios. Six gravid females weighing 1.00 kg each and 6 reproductively matured males weighing 1.00 kg were used for the three induced breeding trials in ratios of 2:1, 1:2 and 2:3, female/male respectively. Females were injected at a dosage of 0.50 ml ovaprim/kg body weight and 0.25 ml/kg body weight for males. Hatching starts after 24 hours of incubation and lasted for 6 hours. Dissolved oxygen, pH, ammonium ion, nitrate ion levels and temperature were monitored. Mean weight of eggs produced is 285.00 g ± 65.00 with a relative percentage weight of eggs to body weight of 26 to 33%. Also, fecundity was the same in all the treatments with a value of 66,000+100 eggs. The lowest pseudo-gonadosomatic index of 41.50+6.50 was recorded in treatment 1, while the highest value of 51.00+3.00 was recorded in treatment 2. The effect of the varying brood stock (female:male) ratios in all the trials were not significantly different at (P

References

14 Cites in Article

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

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Not applicable for this article.

How to Cite This Article

Abdulraheem. 2012. \u201cInduced breeding of African catfish (Clarias gariepinus) under varying brood stock ratios\u201d. Global Journal of Science Frontier Research - D: Agriculture & Veterinary GJSFR-D Volume 12 (GJSFR Volume 12 Issue D8).

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GJSFR Volume 12 Issue D8

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

Keywords

Brood stock Clarias fertilization induced breeding

Submission ReceivedApril 22, 2012
Peer Review Double Blind
Handling Editor
Accepted May 21, 2012
Published June 5, 2012

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v1.2

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September 4, 2012

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Article Matrices

Total Score: 114

Country: Nigeria

Subject: Global Journal of Science Frontier Research - D: Agriculture & Veterinary

Authors: Dr. I. Abdulraheem, S. O. Otubusin, O. Olowofeso, George, F.A.O., Agbebi, O. T., K. A. Adeyemi, Ashley-Dejo S. S (PhD/Dr. count: 1)

View Count (all-time): 178

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Total Downloads (simulated): 2670

Publish Date: 2012 09, Tue

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Total Views: 5195

Total Downloads: 2670

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