breeding rate

The giant pandas'naturally slow breeding rate prevents a population from recovering quickly from illegal hunting, habitat loss, and other human-related causes of mortality.

大熊猫自然繁殖的比率很低限制了种群的快速恢复，来自非法猎取，产地损失，还有其他人为因素影响死亡率。

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

LRH-3、HCG、PMSG影响人工授精（AI）蓝狐繁殖率的比较研究

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

小剂量辐射刺激提高鸡繁殖率研究

Over a lifetime of around 35 years, female pandas typically only successfully raise five to eight cubs, so their slow breeding rate prevents the population from recovering quickly.

一只大熊猫一般能活35年左右，但雌性大熊猫一生中只能成功养育5-8个幼崽。低繁殖率使大熊猫无法快速恢复原有数量。

And it is not come up to the whole country average standards from all stock group quality to breeding rate, produce rate, commodity rate and meat products.

从整个畜群质量到繁殖率、出栏率、商品率和产肉量，均不及全国平均水平。

The Stability of the Intraspecific Competition System for the Natural Enemies Which Possess Functional Breeding Rate or Capturing Rate

具有函数放养率或捕获率天敌有种内竞争系统的稳定性

Pollen tube pathway method is an efficient and a rapid means of disease resistance cotton breeding and its transform rate is about 1%.

花粉管通道法可作为棉花抗病育种的一种有效手段，此方法的转化速度快，转化率可达1%左右。

Effects of different breeding methods on the metamorphosis rate of early zoea of Eriocheir sinensis

不同布苗法对河蟹早期溞状幼体变态率的影响

Experiences of Increasing the Breeding Rate of the Wild Life

关于提高野生动物繁殖率的体会

The paper summarized the progresses and achievements of the studies on the polyploid breeding of the sea shellfishes at home and abroad in recent years, and pointed out the study direction on polyploid shellfishes and 6-DMAP used as an ideal medicine for raising the productive rate of triploid.

综述了近年来国内外在海洋经济贝类多倍体育种方面的研究进展及其成果，指明6-DMAP是一种提高三倍体生产率的理想药物以及多倍体贝类的今后研究方向。

The Effect of Low Dietary Calcium Intake During Pregnancy on the Breeding Rate in rats

妊娠期低钙饮食摄入对大鼠出产率的影响

The rate of cow's oestrum fecundation is one key factor of cattle's breeding rate.

奶牛情期受胎率是影响奶牛繁育率的重要因素之一。

The total breeding rate of 600 samples was 83.2%. The density was significantly different. In the samples in which acaroid mites were detected the breeding density ranged from 2.7 NO.

600份标本的总体孳生率为83.2%，孳生密度差异较大，从2.7～326.3NO。

Studies on the influence of high effect sperm diluter on fertility rate in breeding bird egg

鸡高效精液稀释液对种蛋受精率影响的研究