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本文报告了1993年4~7月在辽宁省长海县獐子岛镇海珍品厂进行的许氏平人工育苗的试验结果。在水温13.0~20.5℃、溶氧5.2mg/L以上、光照2000lux以下的条件下,经61天的培育’22m3水体共出鱼苗17317尾,规格为全长36~49mm,平均41.6mm,育苗总成活率为34.63%。文中还讨论了影响育苗成活率的几个主要因素。
This paper reports the experimental results of Xu Shibing’s artificial seedling breeding conducted in April-July 1993 in Zhanghai Island Zhenhai Changhai County, Liaoning Province. Under the conditions of water temperature of 13.0 ~ 20.5 ℃, dissolved oxygen of 5.2mg / L or more and illumination of 2000lux or less under the condition of 61 days of cultivation, the fry with a total of 17317 fry was produced. The average length was 36 ~ 49mm, 41.6mm, the total seedling survival rate was 34.63%. The article also discussed several main factors affecting the survival rate of seedlings.