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随着鱼类养殖品种结构调整和名特优鱼类的引进,大银鱼的移植已成为很多地区的一种选择。但也有很多地区引入多次而未获得成功,因此一定要慎重考虑大银鱼移植对环境的要求。一、对化学因子的要求1、溶解氧:对水中溶解氧的要求高于渔业水质标准,要在5.0mg/L以上。2、酸碱度:大银?
With the structural adjustment of fish breeding species and the introduction of famed fish, the transplantation of giant whitebait has become an option in many regions. However, many regions have been introduced many times without success, so we must carefully consider the environmental requirements of the alligatorfish transplantation. First, the chemical requirements 1, dissolved oxygen: dissolved oxygen in water requirements higher than the fishery water quality standards, to 5.0mg / L or more. 2, pH: big silver?