孵化率

X期胚胎体外培养的孵化率为1.2%；

The hatching rate of X stage embryo was 1.2 % ;

结果表明：1）4个组合间受精率、孵化率和变态率存在显著的差异（P0.05）；

The results showed : 1 ) Fertilization rate , hatching rate and metamorphosis rate of the four groups were significant ( P0.05 ) .

人工海水在不同温度和pH值下对卤虫卵孵化率的影响

Influence of temperature and pH value on the hatchability of brine shrimp eggs in artificial sea-water

用LDH酶活力测定卤虫卵孵化率的研究

Study on Determing Hatching Percentage of Artemia Cysts through Testing LDH Activity

He-Ne激光照射还可提高孵化率8%。

He & Ne laser irradiation can increase a hatchability of 8 % .

晾蛋、喷水对受精率无明显影响（P0.05），但可使孵化率提高。

Sunning eggs and spraying water on eggs have no obvious influence on fecundation rate ( P0.05 ), but can increase the incubation rate .

本文主要探讨了几种环境因素（温度、盐度、pH值、密度、化肥施用量及藻类）对缢蛏受精卵孵化率的影响。

The effects of temperature , salinity , pH , egg density , chemical fertilizer and phytoplankton on the hatching rate of eggs of Sinonovacula constricta have been studied .

结果发现：⑴对多细胞期以前的金鱼幼胚进行UV辐射，整体上可以提高孵化率。

The results show : ( 1 ) the hatching rate rises generally when the goldfish embryos are radiated by ultraviolet before the cellulous stage .

经催产体重（624±105）g的雌鱼平均产卵量为34.3×104粒/尾；受精卵的孵化率为40.9%～54.7%。

After artificial induce and the females weighted 624 ± 105g reproduced 34.3 × 104 eggs on the average , the hatching rate of fertilized egg was 40.9 ~ 54.7 % .

光照对神仙鱼受精卵孵化率和仔鱼24h内成活率无影响。

There is no influence of illuminance on rate of hatchability of fertilized eggs and 24h survival rate of larva .

卵裂期、囊胚早期、原肠中期胚胎在2~8℃水温下，处理3d后孵化率低于30%；

When exposed to 2 ~ 8 ℃ for 3 days , the hatching rate of embryo at its cleavage , early blastula , and mid gastrula stages was lower than 30 % .

天然采集的三个品系的卤虫卵用3%H2O2或3%甲醛溶液或用去壳溶液处理均可以提高孵化率。

Moreover , the hatchability of the cysts collected naturally can be increased by soaking in 3 % H_2O_2 , 3 % formaldehyde , or decapsulation treatment .

3年的结果为：3个试验组（A、B、C组）平均产卵量8.4枚，卵的受精率81.5%，受精卵孵化率87.9%；

Results from three-year-experiment are : the average egg-laying of 3 experiment groups ( group A , B , C ) is 8.4 , fertilization rate is 70.9 % , and incubation rate of fertilized eggs is 87.9 % ;

研究了520nm波长LED灯对小菜蛾产卵量和卵孵化率影响。

The impact of 520 nm LED light on fecundity and egg hatching rate of the diamondback moth was studied .

结果表明：①地面平养组人工授精的受精率和孵化率比网上平养组分别高出4.11%和2.84%，且差异极显著（P＜0.01）。

The results showed that : firstly , the fertility of artificial fertilization and hatchability of the ducks in the floors were higher than those of the ducks raised in nets ( P0.01 ), 4.11 % and 2.84 % higher , respectively .

显微注射2～5个ES细胞的成活率和孵化率均较高，分别为90.90%和78.79%。

When microinjected with 2 ~ 5 ES cells , the rates of embryo survival and hatch were both the highest , being 90.90 % and 78.79 % .

成熟金鱼受1000伦琴X射线照射后，所产的卵降低了受精率及孵化率，延长了孵化时间。

Parent goldfishes were exposed to 1,000 rontgen of X-ray irradiation . The following results were obtained for the embryonic development : 1 . decreased rate of fertilization and hatching ; 2 . retardation of hatching time ;

外源基因整合率随着注射DNA拷贝数的增加而增大.孵化率则相反：5.线性DNA整合率高于环形DNA整合率。

The integration rate went up in proportion to the copy numbers of foreign DNA injected , but the incubation rates were low gradually 5.The integration rate of the linearized DNA fragments was higher than that of the circular DNA .

Ra-Be（n，γ）射线、~（60）Coγ射线辐照鲤鱼早期胚胎对孵化率和鱼苗成长的影响

Effect of Promoting Growth of Fry and Hatchability by Irradiating Carp Embryos with the Ra-Be Neutron Source and ~ ( 60 ) Co γ - Ray Source

三代繁殖群体卵的受精率和孵化率差异显著（P0.05），子代鳄的受精率下降明显；

One way ANOVA indicated that the variance between fertilizing rate and the incubating rate of the 3 reproducing generations is significant ( P0.05 ), and the fertilizing rate of the filial generation drops dramatically .

棉铃虫卵经雨水浸泡8h，幼虫孵化率明显下降；

After the eggs of cotton bollworm were soaked in rainwater for 8 hours , the hatching rate of larvae would decline apparently .

结果在胚胎发育的4细胞期、8细胞期加入IL-1β可以提高囊胚发育率（P<0.05），但不增加孵化率（P>0.05）；

Results Administration of IL-1 β in 4-cell and 8-cell stages of embryos increased blastocyst rates ( P < 0.05 ), but did not enhance hatched blastocyst rates ( P > 0.05 );

结果表明：1显微注射外源基因后以单细胞前、中期孵化率最高.与对照组比差异不显著（P＞0.05）.与其它组比较差异极显著（P＜0.01）；

The results showed that : 1.The incubation rates were the highest at prophase and metaphase of one-cell , and there was no significant difference from the control ( P > 0.05 ) . but there was very significant difference from other batches ( P < 0.01 );

高温干燥催青下赤蚁sch孵化率最低，常温干燥处理其孵化也受到较大影响。

The hatching rate of sch is lowest under high temperature and low humidity and is also affected largely under normal temperature and low humidity .

饥饿2d后饲养的草地螟成虫在产卵量、孵化率较其他处理组更高，而清水组和不饲养组的草地螟的产卵量和孵化率都是极低的。

The meadow moth feeding after consecutive starvation for two days has higher scores on the fecundity and hatching rate of the female adults , and the control groups which are feeding on water or starving are quite low .

水浸没处理中，当福寿螺卵产后12h内，且浸没时间48h以上，将明显降低卵块的孵化率和延长孵化时间。

Water submersion that began in 12 hours after the eggs laid and lasted at least 48 hours will significantly decrease the snails ' hatchling rates and extend the hatchling time .

然而，在寄主植株不可选择时，则未观察到这种差异。就卵孵化率而言，不论在寄主可选择还是不可选择时，与对照相比B1和B6对其均无显著的不利影响。

As regard to hatching rate , B1 and B6 did not show any obvious adverse effect on it by comparison with the control under either choice or no choice test .

各组受精蛋孵化率和受精蛋健雏率差异均不显著（P0.05）。试验采用PCR-SSCP和PCR-RFLP的方法，在三个基因上共检测到四个变异位点。

The numbers of fertilized eggs and the fertilized eggs hatching rate in each group were not significant different ( P0.05 ) . PCR-SSCP and PCR-RFLP were used to detect polymorphisms in the three genes .

某鸡场饲养的海兰W－36父母代种鸡15000套在40周龄后种蛋的受精率、孵化率较低，经分析认为属维生素营养不良造成，遂改变日粮的维生素。

The analyses indicated that it was vitamin inadequacy that led to the lower rate of fertilization and hatchability of breeding eggs of breeding hens ( Hailan W-36 parents ) in a certain chicken farm , so we changed the content of dietary vitamin .

饲料中添加硒、维生素E能提高受精率1.11%，孵化率2.65%，增加蛋重0.23g。

Adding selenium and antisterility vitamin can raise the fecundation rate by 1.11 % and the incubation rate by 2.65 % , and can add 0.23g to the egg & weight .