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1放养时间关囤养鱼类的放养时间应控制在11月底-12月底,即水温在10℃左右为宜。因水温5～10℃是运输和投放鱼类的最佳温度,鱼在低温条件下运输和放养,活动量小,耗氧量少,不易受伤,有利成活和生长。2鱼的质量关囤养鱼的放养质量,主要靠一摸二看来把握。摸,就是摸鱼的外表是否光滑。如有粗糙感,说明在操作过程中有损伤,或在运输过程中停留的时
1 stocking time off Storage of fish stocking time should be controlled at the end of November - by the end of December, that is, the water temperature at about 10 ℃ is appropriate. Because the water temperature is 5 ~ 10 ℃ is the best temperature for transporting and delivering fish, the fish are transported and stocked under low temperature conditions. The activity is small, the amount of oxygen consumption is less, less vulnerable, which is beneficial to survive and grow. 2 the quality of the fish off the stocking fish stocking quality, mainly by the touch of two seems to grasp. Touch, that is, the appearance of fish is smooth. If there is a sense of roughness, indicating damage during operation, or stay in the transport process