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池塘培育苗种,实际利用时间是6—11月,仅6个月左右,一年中一半时间是闲塘。如何利用这个时期养育商品鱼,我们进行了探索。从实际出发,分析了利弊,池塘空闲时间虽长,但绝大部份时间水温处于15℃以下,对草、鲢、鳊等温水性鱼生长不利,鱼种放养密度不能过高。可是我们的鱼种塘具有水质肥沃,鱼种规格,品种能任意挑选的优势条件,在价格上商品鱼高于鱼种。并且有充足的猪粪尿、黑麦草可供利用;劳动力此季节也较空闲。水温虽低,但并非不能生长,5—6月适值淡水鱼上市淡季。因此,我们决定在9号塘进
Pond breeding seedlings, the actual use of time is 6-11 months, only 6 months or so, half of the year is idle pond. How to use this period to raise fish, we have explored. From the actual conditions, the advantages and disadvantages are analyzed. Although the free time of the pond is long, the water temperature is below 15 ℃ for most of the time, which is unfavorable to the growth of warm water fish such as grass, silver carp and bighead carp. The stocking density of fish species can not be too high. However, our fish ponds with fertile water quality, species specifications, the variety can be arbitrarily selected the most favorable conditions, the price of fish in the commodity is higher than fish. And plenty of pig manure and ryegrass are available for use; the labor force is also less active this season. Although the water temperature is low, but not can not grow, May-June suitable freshwater fish market off-season. Therefore, we decided to proceed in pond No. 9