梭鱼性腺发育的组织学特征及其分期

梭鱼Liza haematocheila(T.et.S.)性腺分期的标准对鱼类人工增殖起重要作用,现将1960年于黄骅(渤海岸)及1961—1962年,1977—1978年5月于北塘,1978年又于西湖村调查所得材料作一汇总,以便为野外观察及人工繁殖提供依据.组织切片材料用Bouin氏固定液,以石蜡包埋,海亭氏铁矾苏木精染色或苏木精伊红染色.脂肪用苏丹Ⅲ及Ⅳ染色.多糖用高碘酸-Schiff染色.蛋白质用0.5%四氧嘧啶及高碘酸法染色,全部材料用石蜡包埋,切片厚度8-12微米,大部分8微米.油滴及油球材料用冰冻包埋,切片厚度10微米.     

Histological Study of the Gonad in Themullet

This note reports the histological studies of gonad of the mullet. The fishes werecollected from the Huanghua and the Beitang of Cyclic changes of the gonads in mulletwere studied in the adu1t and young fishes. Qil globule formation in the oocytes began at stage Ⅱ to Ⅲ of gonad development(usually at the end of stage Ⅱ). When the oil globules fromed a ring in the periphery ofthe nucleus, the gonads entered stage Ⅲ. The oil globules extended from center to outerregion and combined with each other, at last there was only one golden oil globule in theegg. There is no vesicle in the mullet. Yolk formation in the oocytes begen in the winter. The volume of the ovary andthe size of eggs attained a maximum at the end of April or at the beginning of May.