如何提高南苗北运团头鲂乌仔的发塘率由于我国南北方温差之大，造成鱼类产卵孵化时间南北方出现了很大差异。南方鲂鱼产卵孵化要比北方提前一个多月。近年来北方大部分地区都采取南苗北运的方法，解决北方地区苗种晚的问题。鱼苗从南方生产场家经过装袋、运输到达购苗单位... How to improve the South Miao Beijiao Tau Wu Zi of the pond rate due to the large temperature difference between north and south of our country, resulting in fish spawning hatching time there was a big difference between north and south. Southern skipjack spawning hatch more than a month earlier than the north. In recent years, most areas in the north have adopted the method of transporting the south seedlings to the north to solve the problem of late seedlings in the north. Fish fry from the South after the home market bagging, transport units to buy seedlings ...