A Preliminary Study on Induced Spawning of the Catfish Clarias batrachus (Linnaeus) in Malaysia

Ten gravid Clarias batrachus females were administered with a single dose of common carp pituitary homogenate (CPR). Bifore injection, the eggs were light yellow and the diameter rangedfrom 0.94 mm to 1.08 mm. Ovulation occurred approximately 12 hours after the adminstration of CPR. The colour of...

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Main Authors: Cheah, S. H., Siraj, Siti Shapor, Ang, K. J.
Format: Article
Language:English
English
Published: 1990
Online Access:http://psasir.upm.edu.my/id/eprint/2743/
http://psasir.upm.edu.my/id/eprint/2743/1/A_Preliminary_Study_on_Induced_Spawning_of_the_Catfish.pdf
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author Cheah, S. H.
Siraj, Siti Shapor
Ang, K. J.
author_facet Cheah, S. H.
Siraj, Siti Shapor
Ang, K. J.
author_sort Cheah, S. H.
building UPM Institutional Repository
collection Online Access
description Ten gravid Clarias batrachus females were administered with a single dose of common carp pituitary homogenate (CPR). Bifore injection, the eggs were light yellow and the diameter rangedfrom 0.94 mm to 1.08 mm. Ovulation occurred approximately 12 hours after the adminstration of CPR. The colour of the eggs turned brown and the diameter rangedfrom o. 99 mm to 1.27 mm. The fertilization rates rangedfrom 10-81%. The eggs hatched after about 30-36 hours of incubation at 26°C to 28°C. The hatching rates ranged from 13-67070.
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institution Universiti Putra Malaysia
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language English
English
last_indexed 2025-11-15T07:09:47Z
publishDate 1990
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spelling upm-27432013-05-27T07:03:10Z http://psasir.upm.edu.my/id/eprint/2743/ A Preliminary Study on Induced Spawning of the Catfish Clarias batrachus (Linnaeus) in Malaysia Cheah, S. H. Siraj, Siti Shapor Ang, K. J. Ten gravid Clarias batrachus females were administered with a single dose of common carp pituitary homogenate (CPR). Bifore injection, the eggs were light yellow and the diameter rangedfrom 0.94 mm to 1.08 mm. Ovulation occurred approximately 12 hours after the adminstration of CPR. The colour of the eggs turned brown and the diameter rangedfrom o. 99 mm to 1.27 mm. The fertilization rates rangedfrom 10-81%. The eggs hatched after about 30-36 hours of incubation at 26°C to 28°C. The hatching rates ranged from 13-67070. 1990 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/2743/1/A_Preliminary_Study_on_Induced_Spawning_of_the_Catfish.pdf Cheah, S. H. and Siraj, Siti Shapor and Ang, K. J. (1990) A Preliminary Study on Induced Spawning of the Catfish Clarias batrachus (Linnaeus) in Malaysia. Pertanika, 13 (1). pp. 63-66. English
spellingShingle Cheah, S. H.
Siraj, Siti Shapor
Ang, K. J.
A Preliminary Study on Induced Spawning of the Catfish Clarias batrachus (Linnaeus) in Malaysia
title A Preliminary Study on Induced Spawning of the Catfish Clarias batrachus (Linnaeus) in Malaysia
title_full A Preliminary Study on Induced Spawning of the Catfish Clarias batrachus (Linnaeus) in Malaysia
title_fullStr A Preliminary Study on Induced Spawning of the Catfish Clarias batrachus (Linnaeus) in Malaysia
title_full_unstemmed A Preliminary Study on Induced Spawning of the Catfish Clarias batrachus (Linnaeus) in Malaysia
title_short A Preliminary Study on Induced Spawning of the Catfish Clarias batrachus (Linnaeus) in Malaysia
title_sort preliminary study on induced spawning of the catfish clarias batrachus (linnaeus) in malaysia
url http://psasir.upm.edu.my/id/eprint/2743/
http://psasir.upm.edu.my/id/eprint/2743/1/A_Preliminary_Study_on_Induced_Spawning_of_the_Catfish.pdf