study of plasma sex steroid hormones in female snow trout (schizothorax pelzami) within a year
نویسندگان
چکیده
background: snow trout (schizothorax pelzami) is an economically important species endemic in the north east of iran. objectives: the purpose of the present study was to investigate the reproduction cycle, time and temperature range of spawning. methods: the biometry of 243 fishes was measured and the ovarian development stages and plasma sex steroid hormones (testosterone, 17b- estradiol, progesterone and 17a-oh-progesterone) were measured during 12-months sampling. results: the (p
منابع مشابه
An overview on Snow trout (Schizothorax zarudnyi) biology
The Snow trout, Schizothorax zarudnyi Nikolskii, 1897 belongs to Cyprinidae family, endemic to Hamoun Lake, Sistan, Iran. Female fish mature at 4 years old, a few at 3 years old, and male fish at 3 years old, and live in the rivers and lagoons of Hamoon (stagnant waters) and spawn in the same place. Natural fish populations have declined during the last several years because of environmental de...
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متن کاملThe role of plasma female sex hormones on gingivitis in pregnancy: a clinicobiochemical study.
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عنوان ژورنال:
تحقیقات دامپزشکیجلد ۶۹، شماره ۴، صفحات ۴۲۳-۴۳۰
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