在家鱼人工繁殖过程中,由于鱼卵在孵化脱膜后有大量的卵膜浮于孵化器中,导致堵塞过滤纱窗,造成溢苗;有的卵膜直到仔鱼出池时,仍未溶解,常裹死仔鱼或沉于孵化器底部塌死仔鱼,降低了孵化率。这里介绍一种能使鱼卵按时破膜溶解、提高鱼卵孵化率的有效方法——停水溶膜法。一、停水溶膜的理论根据: 鱼类在胚胎发育晚期,体表产生 Artificial reproduction of domestic fish in the process, as a result of the hatching of fish eggs after hatching a large number of egg membrane floating in the incubator, resulting in blocking the filter screen window, resulting in overflow seedlings; some eggs until the larvae out of the pool, still undissolved, often wrapped Dead larvae or sunken larvae sink to the bottom of larvae, reducing hatchability. Described here is a rupture of fish eggs can be dissolved on time and improve the hatching rate of eggs, an effective method - water-soluble film method. First, the theoretical basis of water-soluble film: fish in the late embryonic development, body surface