Environmental & Analytical Toxicology

Homayoun Hosseinzadeh Sehafii

Publications

• Research Article
  Seasonal Fluctuations of Sex Steroid Hormones in Indian Major Carp Catla catla in Khouzestan, Iran
  Author(s): Homayoun Hosseinzadeh Sehafii, Mozhgan khodadadi and Shima Ayati BehbahaniHomayoun Hosseinzadeh Sehafii, Mozhgan khodadadi and Shima Ayati Behbahani
  
  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 measur.. Read More»
  DOI: 10.4172/2161-0525.1000227

  Abstract PDF