秋季是鱼类催肥长膘的大好季节,对养殖者来说,搞好这个时期的饲养管理工作十分重要。经试验表明,搞好此时期的管理可比正常管理增产20%左右。搞好此时的培育,对在冬前上市的鱼可提高养殖效益;对达不到上市规格的鱼,能增强鱼体御寒能力,从而为鱼类安全过冬打下良好的基础。此期? Autumn is a good season for fish fattening catfish, for farmers, it is very important to do a good job in this period feeding and management. The tests show that improving the management of this period can increase about 20% than normal management. Do a good job at this time of cultivation, the fish marketed before winter can raise the breeding efficiency; on the fish less than the market size, can enhance the ability of fish to keep warm, so as to lay a good foundation for winter fish safety. This period?