HISTOLOGICAL STUDY OF GONADAL CYCLICAL auratus VARITIONS IN CARASSIUS
Basrah Journal of Agricultural Sciences,
Volume 24, Issue 2, Pages 82-95
AbstractSeasonal variations in gonads of C. uratusa have been studied in Garmat Ali river during May 2008 - April 2009. Spermatogenesis was described as five types of testicular cells were reconeised spermatogonia, primary spermatocytes, secondary spermatocytes , spermatids and spermatozoa. Seven developing stages were recognized during oogenesis through histological examination of ovarian cells oogonia , chromatin nucleolar oocytes , perinucleolar oocytes,primaryvitellgenesis,secondary vitellgenesis ,tertiary vitellgenesis and hyaline oocytes .Theconclusion of using C.auratus. Appeared to be as serial spawners with long spawning season starting during March and ending until August and the male was maturd faster than female.
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