大银鱼以其极高的营养价 值和经济价值成为我国重要经 济鱼类之一，并在全国适宜水 域得到普遍移植，人工繁殖技 术也日趋完善。但受性成熟自 然规律和产卵场及产卵高峰期 监测技术等因素的影响，常会 遇到雌雄性成熟不同步和性比 例失调等问题，给人工繁殖带 来了困难，影响受 With its extremely high nutritional value and economic value, the giant whitebaum has become one of the most important economic fishes in China. It has also been widely transplanted in the suitable waters of the country and its artificial propagation technology has also been perfected. However, due to the natural law of sexual maturity and monitoring techniques such as the spawning grounds and the spawning peak, the males and females often encounter problems such as unsynchronized maladjustment and sexual imbalance, which brings difficulties to artificial breeding.