نتایج جستجو برای: gonads

تعداد نتایج: 3438  

A. A. Motalebi, A. Parsa Khanghah, B. Jalali Jafari I. Sharifpour, M. Mojazi Amiri

Chalcalburnus mossulensis from the cyprinidae family is one of the indigenous fish in Gheshlagh Lake of Kordestan, Iran. Ligula intestinalis is one of the infective parasites among various species of fish and causes gonads atrophy. In this study, after detection of species and age of samples, the effects of this parasite on gonads tissues and sexual maturation of Chalcalburnus mossulensis were ...

Journal: :NIPPON SUISAN GAKKAISHI 1977

Journal: :Proceedings of the National Academy of Sciences 2012

Journal: :Journal of the Hellenic Veterinary Medical Society 2017

Journal: :iranian journal of veterinary research 2013
b. falahatkar s. r. akhavan m. h. tolouei gilani a. abbasalizadeh

since sturgeons have no external sexual dimorphism and there are no external markers to determine sex, internal examination of the gonads should be used to sex identification. the present study describes the biopsy method and histological observations of the gonads of great sturgeon (huso huso) in both sexes at different age classes. sex and maturity stages of 226 great sturgeons were identifie...

Journal: :Journal of the American College of Cardiology 2011

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