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今年有些地区的春片,由于饵料不足,鱼种体质不壮,过冬期间如不引起注意,加强饲养管理,将出现鱼种死亡现象。这对完成明年全省产鱼一亿担的计划,影响是很大的。为此,特作如下通知,希各地贯彻执行。一、鱼种过冬,需要大小种类分别并池,以便于饲养管理,伹应防止数量过多,造成缺氧现象。根据鱼类呼吸的窒息点及我省气候情况,每亩水深在8尺以上各种不同规格的鱼种并池量,体长2市寸的可放4万尾,2.5寸的8万尾,3寸的2.5万尾,8.5寸的2万尾,4寸的1.5万尾,5寸的1万尾左右为宜。一般鲤、草、青鱼的放养密度可稍大于鲢焦和鳙鱼。
In some areas of spring this year, due to lack of food, the species of fish is not strong, and if it does not attract attention during the winter, strengthen the feeding and management, there will be death of fish species. This will have a great impact on the completion of the plan to produce 100 million tons of fish in the province next year. To this end, special make the following notice, hope throughout the implementation. First, the species of winter, the need for size and pool, respectively, in order to facilitate feeding and management, 伹 should prevent excessive quantity, resulting in hypoxia. According to the suffocation point of fish breathing and the climate of our province, the water depth of every mu is more than 8 feet. The species of fish of different sizes and the amount of pool, the body length of 2 inch can be put 40,000, 2.5-inch 80,000, 3-inch 25,000, 8.5-inch 20,000, 4-inch 15,000, 5-inch 10,000 or so is appropriate. General carp, grass, black stocking density may be slightly larger than silver carp and anchovy.