繁殖率

家蚕是蛋白质高效转化生物，具有周期短、繁殖率高、后代个体数多、能大量饲养等优点。

Silkworm , Bpmbyx mori ,; an organism which can transform protein efficiently , has the advantages of short life circle , high rate of reproduction and mass raising and so on .

LRH-3、HCG、PMSG影响人工授精（AI）蓝狐繁殖率的比较研究

Comparative Study on the Breeding Rate in Artificial Inseminated Blue Fox under the Influence of LRH-3 、 HCG 、 PMSG

蚯蚓繁殖率在养殖饲料pH值为中性时最高。

The earthworms multiplication rate was the highest when the pH value was middle .

悬沙对轮虫种群的存活率（lx）有影响，而对种群的繁殖率（mx）无显著影响。

The suspended silt affected population survival rate , rather than its reproduction rate .

本文就GnRH的化学特性、生理功能、作用特点、作用机理、国内外应用GnRH及其类似物提高动物繁殖率的情况及应用时需注意的事项等进行综述。

In this paper , the physiology characteristic , physiology function , function characteristics , function mechanism and domestic and international application to improve animal reproduction of GnRH are summarized .

因为兔子的高繁殖率，便成为了Eostra之神的标志。

Her symbol was the rabbit because of the animals high reproduction rate .

本实验模拟人的吸烟状况，测定香烟烟气对草履虫（Parameciumaurelia）的急性致死、急性生理伤害和抑制细胞繁殖率，并比较了带过滤嘴与不带过滤嘴香烟的毒性作用。

This experiment imitated the state of human smoking and determined the toxi-city of cigarette smoke , including lethal , physiological injury and cell reproduction inhibition to Paramecium aurelia .

通过计算各世代I值和IPC值，并进行组分分析证明，在自然环境中桑蟥的种群控制指数较低，繁殖率、生命率很强。

Through calculating the I and IPC values of all the generations and analysis on the factors , the results showed that the racial group control index of mulberry white caterpillar in the natural environment was low , while the reproduction rate and viability were high .

蚜虫的繁殖率受到营养的影响。

The reproduction rate of the aphid is influenced by nutrition .

关于提高野生动物繁殖率的体会

Experiences of Increasing the Breeding Rate of the Wild Life

安格斯牛适应性强，繁殖率高。

Angus ' adaptability is very capable , the fertility is high .

小剂量辐射刺激提高鸡繁殖率研究

The study on increasing the breeding rate of chicks with low-dosage stimulation

你知道果蝇有很强的繁殖率吗？

Did you know that fruit flies reproduce at a prodigious rate ?

饲料营养对母牛繁殖率影响效果研究

Effects of Feeds and Nutrition on Cow 's Reproductivity

提高母猪繁殖率和窝产瘦肉量的研究报告

Study on Increasing Prolificacy and Litter Yield of Sow

应用激素提高母牛繁殖率效果研究

The Hormone Application to Improve Cow 's Reproductivity

应用同期发情技术提高肉牛繁殖率的试验

Improvement of Reproduction Rate by Using Estrus Synchronization

但是，偏好的环境并不总是与高繁殖率有关。

But preferred environment doesn 't always seem to correlate with greater reproductive success .

然而，一些昆虫的繁殖率，如蚜虫等是受营养影响的。

However , reproduction rates of some insects such as aphids are influenced by nutrition .

日粮纤维对母猪繁殖率的影响因式分解范畴

Fibre for fertility Category with Factorization

农村规模猪场提高母猪年繁殖率的综合技术

The Comprehensive Technique on Enhancing Sow 's Propagation Ration of per Year in Scale Raising-Site of Countryside

在最佳培养基上，非洲菊0号和1号的芽苗继代繁殖率为30d4.8株，完全能达到工厂化生产标准。

The shoot-propagating rate reached 4.8 individuals per month , which could totally attain standards for factory production .

它们的繁殖率很低，并且处在栖息地缩减的生存压力下。

They have a notoriously low reproductive rate and are under pressure from factors such as habitat loss .

小尾寒羊是世界上具有非季节性发情和多胎特性的高繁殖率绵羊品种之一。

As a prolificacy sheep , Little tailed Han Sheep is characteristic of non seasonal estrus and high fecundity .

蚜虫是一类刺吸式口器的小型昆虫，孤雌生殖、世代周期极短、繁殖率高，这使得蚜虫种群增长迅速。

Aphids are small sap-sucking insects whose parthenogenetic reproduction and short generation time allow them to increase population size rapidly .

掌握绵羊多胎性机理和影响多胎性的因素对于提高绵羊繁殖率和经济效益具有重要意义。

Researches on the mechanism and factors of sheep prolificacy are helpful to improve sheep reproduction and increase economic efficiency .

如何提高母猪繁殖率和窝产瘦肉量是发展商品猪生产的重要途径。

How to improve prolificacy and a litter meat yield of sow is an important way of developing commercial pig production .

针对一些兔场成年母兔在夏季繁殖率低的问题，采用人工采精的方法，观察了夏季高温对成年公兔和母兔繁殖性能的影响。

The reproductive capacity in rabbits was studied by the methods of artificial impregnation for the lower reproductive rate in summer .

目的比较群体产卵法与单管产卵法对提高嗜人按蚊繁殖率的效果。

Objective To compare the effects of colony oviposition and single tube oviposition for improving the reproductive rate of Anopheles anthropophagus .

其基本繁殖率这一重要概念中的各项参数，为疟疾的流行病学调查和制订预防、控制措施提供了依据。

All parameters in the important concept-basic reproduction rate provide science evidence for malaria epidemiologic research and disease control and prevention .