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COMPARATIVE EFFECTS OF FORMALIN AND SALT TREATMENTS ON HATCH RATE OF KOI CARP EGGS

机译:福尔马林和盐处理对鲤鱼卵孵化率的比较作用

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The efficacy of sodium chloride was compared to that of formalin for improving egg hatch rate of koi, domestic mutation of the common carp Cyprinus carpio. Twelve-hour-old fertilized eggs were held in hatching trays and given a 60-min static treatment of O, 1,000, 2,500, or 5,000 mg sodium chloride/L, or they were treated with formalin at 250 mg/L for 60 min or 1,000 mg/L for 15 min. Mean hatch rates for salt treatments at 1,000 and 2,500 mg/L and formalin treatments at 250 mg/L were 88.7%, 81.6%, and 98.8%, respectively; these rates were significantly higher than the hatch rate for untreated eggs. The mean hatch rate for untreated eggs was 64.0%, which was not significantly different from the rate for eggs treated with formalin at 1,000 mg/L for 15 min. Treatments with salt at 5,000 mg/L resulted in a mean hatch rate of 30.3%.
机译:比较了氯化钠和福尔马林对提高锦鲤卵的孵化率的效果,锦鲤是鲤鱼的国内突变。将十二小时大的受精卵放在孵化盘中,并进行60分钟的O,1,000、2,500或5,000 mg氯化钠/ L静态处理,或者用250 mg / L的福尔马林处理60分钟或1,000 mg / L,持续15分钟。分别以1,000和2,500 mg / L的盐处理和以250 mg / L的福尔马林处理的平均孵化率分别为88.7%,81.6%和98.8%;这些比率明显高于未处理卵的孵化率。未处理鸡蛋的平均孵化率为64.0%,与以1000 mg / L福尔马林处理15分钟的鸡蛋的孵化率没有显着差异。用5,000 mg / L的盐处理可导致平均孵化率为30.3%。

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