Towards the end of the plover breeding season, the rate of female divorce declines.
在鸟的繁殖期快要结束的时候，雌鸟离婚的比率就下降了。
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。
Primary infection source may be reduced by breeding and selecting the variety with the lower infected seedling rate of seed-borne SMV.
可以通过选育和筛选种传病苗率低的品种推广，减少本病的初次侵染来源。
It is said that here the number of exhibits and the number of breeding like rabbits, was growing at a rate of several times.
据称，这里的展品数量也和兔子的繁殖数量一样，呈几倍的速度增长。
It has been proved by our practice that this new method with many advantages such as simplicity in operation, easy mutation and high utilization rate, is a new breeding technique fast and effective.
实践证明，这个方法具有简便、易产生变异、利用率高等优点，是一种快捷有效的新育种技术。
So choosing and breeding maize variety of highly nitrogen fertilizer utilization rate based on different maize genotype is a positive and efficient measure to the problem.
针对这一情况，一种积极有效的措施就是根据玉米基因型存在差异而选育氮高效玉米品种。
Secondly: Improving the quality of exhibitors, the participanting rate of enterprises of "Breeding , reproduction and pushing" integration and regional characteristics corporates was high.
二是提高参展质量，“育繁推”一体化企业、区域特色实力企业参会率较高。
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。
Towards the end of the plover breeding season, the rate of female divorce declines.
在千鸟的繁殖期快要结束的时候，雌鸟离婚的比率就下降了。
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。
Allied to the breeding programmes are investigations into other associated techniques such as time of planting and seeding rate.
与育种项目密切联系的是进行相关技术的调查，如播期和播种量。
The single grain selection is better for the preharvest sprouting rate in the selective breeding application.
在选择育种中，田间穗上发芽率以单粒选为好。
The faultiness of breeding system and pests destroying cause the low seed-set rate.
五脉山黧豆的传粉系统不完善和虫害是结实率低的主要原因。
It is concluded that acryl thiourea effects not only snail eggs, but also their rates of egg-laying, its egg shell and the rate of breeding.
结论丙烯基硫脲可抑制酚氧化酶活性而对钉螺、螺卵的成活及其产卵量、卵壳的形成、孵化率均有影响。
The invention can improve breeding rate of hybrid geese, and performance of its production geese fatty liver is fine, enhance the adaptability and decrease elimination and mortality rate greatly.
本发明的方法可以提高杂交鹅的繁育率，且其生产的鹅肥肝的性能较好，适应性增强，淘汰死亡率大大降低。
Based on 4634 cows initial breeding data form different breeding seasons in the climatic south subtropics. The influence of temperature and humidity on concept rate(CR) of cows has been analysis.
选取4634头次不同配种季节奶牛的原始配种资料，统计分析气温和湿度对奶牛受胎率的影响。
Adding suitable microbial fermented feed in bait in tilapia breeding could promote the growth, enhance the survival rate, decrease the feed coefficient and increase the economic benefits.
其饲养经济效益均有提高，且以添加15%复合微生物发酵饲料所产生的单位利润最高。
Adding suitable microbial fermented feed in bait in tilapia breeding could promote the growth, enhance the survival rate, decrease the feed coefficient and increase the economic benefits.
其饲养经济效益均有提高，且以添加15%复合微生物发酵饲料所产生的单位利润最高。
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