【摘要】 <正>在进行鱼类人工繁殖过程中,有时会碰到这样的问题:雌鱼产出的卵子质量较好,但人工授精后却得不到较高的受精率,甚至完全不受精。这显然与精子活力有关。精子的活力与精子本身的质量和环境因子——水温、pH、盐度等密切相关。弄清精子与环境因子的关系,找出主要环境因子的最佳参数,是确保精子具有最大活力、提高精子质量和受精率的重要措施。更多还原

【Abstract】 Several environmental factors exert noticeable effects on the vitality and life-span of mullet sperms. Results from experiments have shown that when salinity is 18‰., pH 8.8vitality is most strong and life-span is longest In low ambient temperatures (5-8℃), the sperm retains it’s vitality for 9 days. Sperm fertility varies with different dilution of semen, the highest fertility occurs when semen is diluted to two hundredfold. The optimal environmental parameters during artificial fertilization are presented. The use of LRH-A for the estrualization of male mullets effectively enhances the vitality of mullet spermatozoa,更多还原