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- Effects of Light on the Hatching Rate of Varicorhinus SP. 光照对赤鳞鱼孵化率的影响。
- Effect of different ecological factors on ricefield eel (Monopterus albus) hatching rate. 不同生态因子对黄鳝受精卵孵化率的影响
- Results: The blastocyst formation rate and hatching rate cultured in hydrosalpinx fluid were decreased more ... 结论输卵管积水能显著影响胚胎的早期发育潜能。
- To Adopt artificial hatch, oosperm hatched rate is 89%. 进行人工孵化,受精卵孵化率达89%25;
- Those eggs with unclosed blastopore at the early embryonic stage have lower hatching rate compared with the normal one. 在胚体初期,胚孔无法即时闭合的胚胎,孵化率明显较低。
- Embryos development was deserved after culture ever day,the blastocyst formation rate and hatching rate were accounted. 结果输卵管积水组的胚胎成囊率和囊胚孵出率低于无积水组,并呈剂量依赖性。
- The artificial shrinkage prior to vitrification could improve the survival rate and hatching rate of the vitrified expanded blastocyst. 冷冻前人工皱缩囊腔体积能明显提高扩张囊胚玻璃化冷冻的效率。
- Mechanic injury had no considerable effects on hatching rate of embryos (73 39% vs 75 70%),but abnormal fries increased considerably (8 8% vs 0). 机械损伤对胚胎的孵化率无明显影响 (73 39%25vs 75 70%25 ) ,但对胚胎发育有明显的致畸作用 (8 0 6%25vs 0 )。
- Methods The number of eggs and the hatching rate of larvae in the treated manure were compared with that in the untreated manure. 方法分别以经蝇蛆处理和未处理的猪粪作为家蝇孳生繁殖场所,比较两种孳生场所家蝇产卵量和孵化率。
- Methods Experiment on spawning rate、hatching rate、growth and survival rate of Bareneck goby were carried out under different saline conditions. 方法比较不同盐度梯度条件下裸项栉鰕虎鱼的产卵率、孵化率和生长存活情况。
- Results The number of larvae and the hatching rate in the early oviposition period were higher than the late oviposition period. 后期孵出的幼虫数量相对较少,孵化率较低。
- Under the same sex ratio structure,the hatching rate of eggs increased along withthe lapse of oviposition time and was highest onthe day of ovipostion peak. 在同一性比结构中,卵孵化率随产卵时间的推移而增加,以产卵高峰日为最高。
- The results showed that there were significant differences among the three populations in the hatching rate, larval survival, and growth at larvae and juvenile stage. 结果发现,三个群体在受精卵孵化率、幼虫存活率、幼虫及稚贝生长等方面都存在显著差异。
- The hatching rate was 75% and the length of fries just laid from membrane was 3.93mm compared with that of the beginning,being 7.83mm. After 8 days of cultivation in pond,the length was up to 34.08mm and the surviving rate was 50%. 出膜仔鱼体长 3 93mm ,7 83mm下塘 ,池塘培育 8天达到 34 0 8mm ,培育成活率 5 0%25。
- The results showed that much higher fertilization and hatching rate were achieved by voluntary spawning than by induction, indicating that artificial spawning technology needs further improvement. 试验结果表明,漠斑牙鲆亲鱼自然产卵受精率和孵化率远远高于人工催产,但人工催产可以准确掌握生产时机,在短时间内获得大量受精卵和初孵仔鱼;
- The results showed that resistant population suffered reproductive disadvantages including having lower mean fecundity and a decrease in oviposition and hatching rates. 结果表明两种群在发育历期和成活率上无显著差异。
- At this rate we won't be able to afford a holiday. 照这样下去,我们不会有时间/钱去度假的。
- Analysis on the Reason of Low Hatching Rate of Egg 种蛋孵化率低的原因分析
- Chicks are hatching from the eggs. 小鸡正从蛋壳里孵出来。
- Effects of UV on hatching rate of goldfish 紫外线照射对金鱼孵化率的影响