alexa Seasonal Fluctuations of Sex Steroid Hormones in Indian Major Carp Catla Catla in Khouzestan, Iran | OMICS International
ISSN: 2161-0525

Journal of Environmental & Analytical Toxicology
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Research Article

Seasonal Fluctuations of Sex Steroid Hormones in Indian Major Carp Catla Catla in Khouzestan, Iran

Homayoun Hosseinzadeh Sehafii1, Mozhgan khodadadi2 and Shima Ayati Behbahani3*
1Country Fisheries Research Organization, Tehran, Iran
2Aquaculture Department, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran
3Aquaculture Department, Khouzestan Science and Research Branch, Islamic Azad University, Ahvaz, Iran
Corresponding Author : Shima Ayati Behbahani
Islamic Azad University, Aquaculture Branch
Khouzestan Science and Research Branch
Islamic Azad University, Ahvaz-Iran
Tel: +989163718056
Fax: +98-21-22492794
E-mail: [email protected]
Received March 21, 2014; Accepted May 28, 2014; Published June 02, 2014
Citation: Sehafii HH, Khodadadi M, Behbahani SA (2014) Seasonal Fluctuations of Sex Steroid Hormones in Indian Major Carp Catla Catla in Khouzestan, Iran. J Environ Anal Toxicol 4:227. doi: 10.4172/2161-0525.1000227
Copyright: © 2014 Sehafii HH, 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

Catla (Catla catla) is one of the most important species of cyprinids in terms of economic and nutritional value that was considered as aquaculture candidate in Khozaestan province (Iran). In this study, 40 female and male Catla broodstocks (imported from India), were studied during year (summer 2011 to spring 2012). Seasonally, blood sampling was collected with heparinated syringe followed by catching and anesthesia. Levels of steroid hormones (testosterone, 17β-estradiol and progesterone) were measured by RIA. Results showed significant differences in all sex steroids during seasonal sampling (P<0.05). High plasma testosterone levels were measured in both sexes (female: 0.13 ± 0.03 ng/ml and male: 0.16 ± 0.04 ng/ml) in the course of the sexual maturation at the end of winter. Highest female plasma levels of 17 β-estradiol (128.50 ± 26.60 ng/ml) was measured in fall. Progesterone also significantly increased at winter (1.32 ± 0.22 ng/ml) in female broodstocks (P<0.05). All broodstocks were ripe and ready to breeding in winter. Water temperature was higth (29.88 ± 1.42) in summer which declined to (14.63 ± 0.47) in winter. According to the results, climatic conditions (Temperature) had a great impact on broodstocks Gonad development via involving of hormones in Khuzestan.

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