论文部分内容阅读
目前在我国大陆利用流水资源进行人工养鳗的例子尚少见,本场利用经改造后的流水养草鱼池进行了初步的尝试,现把试验情况报告如下:1.试验情况(1)放养:所投放鳗种全部是本场温室培育的,最小规格约20克/尾;最大的为50~60克/尾.于1988年6月15日外界水温稳定在25℃以上时,一次放足鳗种.放养密度不等,最低的32尾/米~2,最高达84/尾米~2.(2)池塘:试验池共13口,面积均为
At present, the use of water resources in China’s mainland for artificial eel farming is still rare, the use of the field after the transformation of the water fish ponds conducted a preliminary attempt, the test report is as follows: 1. Test conditions (1) stocking: Eel species were put in the greenhouse cultivation, the minimum size of about 20 g / tail; the largest of 50 to 60 g / tail. On June 15, 1988 when the external water temperature stabilized at 25 ℃ above, put a full eel species . Stocking density ranged from the lowest 32 / m ~ 2, up to 84 / tail rice ~ 2. (2) ponds: a total of 13 test ponds, the area is