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Reproductive performance of Acipenser persicus females in hatcheries after being captured in the southeastern Caspian Sea (Golestan, Province, Iran)

Reproductive performance of Acipenser persicus females in hatcheries after being captured in the... By Mojdeh Chellemal Dezfooly Nejad1, Abdolmajid Hajimoradloo2 and N.Makhdomi3 Department of fisheries, University of Agricultural Sciences and Natural Resources, Gorgan, Iran; 2Department of fisheries, University of Agricultural Sciences and Natural Resources, Gorgan, Iran; 3Shahid Marjani’s Sturgeon Breeding and Propagation Center, Golestan Province, Iran Summary A total of 272 pre-spawning adults of the Iranian sturgeon (Acipenser persicus) (females) were sampled which were captured from the wild for the Shahid Marjani’s Sturgeon Breeding and Propagation Center for studing the reproductive conditions of the Iranian sturgeon (Acipenser persicus) in the southeastern part of the Caspian Sea, Iran. Sampling took place between March 2002 and May 2003. Age, fork length and body weight frequencies of the potential brood stock, polarization index in mature oocytes of females, percentage of fertilization, and the effect of temperature on fertilization success were studied. Fish being 25-26 years old, ranged on average between 27.1 and30 kg body weight and measured 151-160 cm in fork length. The polarization index in the oocytes of brood females ranged between 4.1 and 10.7 and this range was divided into seven different categories for comparative purposes. There were no significant differences in terms of effect of temeprature on the fertilization rate. Caught http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Ichthyology Wiley

Reproductive performance of Acipenser persicus females in hatcheries after being captured in the southeastern Caspian Sea (Golestan, Province, Iran)

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Publisher
Wiley
Copyright
Copyright © 2006 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0175-8659
eISSN
1439-0426
DOI
10.1111/j.1439-0426.2007.00961.x
Publisher site
See Article on Publisher Site

Abstract

By Mojdeh Chellemal Dezfooly Nejad1, Abdolmajid Hajimoradloo2 and N.Makhdomi3 Department of fisheries, University of Agricultural Sciences and Natural Resources, Gorgan, Iran; 2Department of fisheries, University of Agricultural Sciences and Natural Resources, Gorgan, Iran; 3Shahid Marjani’s Sturgeon Breeding and Propagation Center, Golestan Province, Iran Summary A total of 272 pre-spawning adults of the Iranian sturgeon (Acipenser persicus) (females) were sampled which were captured from the wild for the Shahid Marjani’s Sturgeon Breeding and Propagation Center for studing the reproductive conditions of the Iranian sturgeon (Acipenser persicus) in the southeastern part of the Caspian Sea, Iran. Sampling took place between March 2002 and May 2003. Age, fork length and body weight frequencies of the potential brood stock, polarization index in mature oocytes of females, percentage of fertilization, and the effect of temperature on fertilization success were studied. Fish being 25-26 years old, ranged on average between 27.1 and30 kg body weight and measured 151-160 cm in fork length. The polarization index in the oocytes of brood females ranged between 4.1 and 10.7 and this range was divided into seven different categories for comparative purposes. There were no significant differences in terms of effect of temeprature on the fertilization rate. Caught

Journal

Journal of Applied Ichthyology – Wiley

Published: Dec 1, 2006

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