alexa Efficacy of Osteolaemus tetraspis Pituitary Gland (APG) Hormone on Induced Spawning of Clarias gariepinus | OMICS International
ISSN: 2332-2608

Journal of Fisheries & Livestock Production
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Research Article

Efficacy of Osteolaemus tetraspis Pituitary Gland (APG) Hormone on Induced Spawning of Clarias gariepinus

Jemerigbe Richard1, Lucky E2 and Anthony O3*

1College of Education, Warri, Delta State, Nigeria

2Ambrose Alli University, Department of Zoology, Ekpoma, Edo State, Nigeria

3College of Agricultural Technology, Agenebode, Edo State, Nigeria

*Corresponding Author:
Anthony O
College of Agricultural Technology
Agenebode, Edo State, Nigeria
Tel: +2348065284479; +2348079548388
E-mail: [email protected]

Received Date: March 01, 2016 Accepted Date: March 18, 2016 Published Date: April 07, 2016

Citation: Richard J, Lucky E, Anthony O (2016) Efficacy of Osteolaemus tetraspis Pituitary Gland (APG) Hormone on Induced Spawning of Clarias gariepinus. J Fisheries Livest Prod 4:177. doi: 10.4172/2332-2608.1000177

Copyright: © 2016 Richard J, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

The experiment was conducted to ascertain efficacy of Osteolaemus tetraspis Pituitary Gland (APG) hormone on induced spawning of fish. The research work was carried out between January and May 2008 at the Nigeria Institute of Oceanography and Marine Research (NIOMR) Sapele. Thirty-nine fish samples of Clarias gariepinus (36 females and 3 males) and three alligators were used. The means weight of the fish was 800 ± 20 g while that of the alligator was 5.0 ± 0.2 k g. Three replicate trials were done to observe spawning activities using three different doses, (0.5 ml, 1.0 ml and 2.0 ml) of acetone -dried APG Ovulation was recorded after 11-13 hours post-injection. Eggs were obtained by stripping and fertilized artificially with milt from the male Clarias and incubated in plastic bowls. Hatching occurred within 20-26 hours after fertilization at a water temperature of 25-26 degree centigrade. Fertilization and hatching percentages increased (p < 0.05) with increase in hormone dosage. ANOVA of the means of hatching did not show any significant different in the dosage used. The overall breeding performances of the APG hormone were found to be satisfactorily. Experiment on standardization of the APG hormone is however recommended.

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