To raise breeding efficiency by applying comprehensive breeding methods.
综合运用多种育种技术，提高育种效率；
When ram use one year, ewe use 2 years in breeding flock, and ewe uses 5 years in production flock will acquire ideal breeding efficiency.
在育种群公羊使用1年，母羊使用2年，生产 群母羊使用5年时，可获得理想的育种效率。
NIRS is feasible as a rapid analysis method, and can be used in the selection and breeding of white clover germplasms to improve the breeding efficiency.
NIRS作为一种白三叶粗蛋白质快速分析的技术是可行的，在白三叶蛋白质品质育种中，可快速进行种质资源筛选，提高育种效率。
In the past decades, considerable progress has been made in maize breeding for drought tolerance using conventional methods, but with low breeding efficiency due to various causes.
多年来，通过常规手段进行玉米抗旱育种取得了一定进展，但由于多方面原因，其育种效率没有得到进一步提高。
The combination of ion beam bioengineering techniques, traditional microbial breeding techniques and modern biotech could greatly increase breeding efficiency of heat-resistance ethanol yeast.
离子束生物工程技术与传统微生物育种技术、现代生物技术相结合，将大大提高耐高温乙醇酵母菌种的选育效率。
Breeding or genetic modification could increase the efficiency with which animals and plants take up nitrogen.
育种或基因改造可以增加动植物吸收氮的效率。
Thousands of years of selective breeding have left their mark not only on their physical appearance and efficiency, but also on their behavior.
多年的选育成千上万留下了印记，不仅他们的外表和效率，而且也对他们的行为。
Increasing yield level per unit area is forever theme for rice breeding aim, and advancing photosynthesis efficiency is one of key factors for improving grain yield.
提高单位面积的产量是水稻育种目标永恒的主题，提高光合作用效率又是提高产量的关键因素。
It is very important to select right central parent for raising the efficiency of peanut breeding.
选准中心亲本对提高花生育种效率具有十分重要的作用。
In this paper, efficiency of different short-term tree breeding strategies based on backward selection was studied when a new tree breeding project was initiated.
主要研究在启动一项林木育种项目时，基于后向选择的不同短期林木育种策略的效率。
Factors influenced the efficiency and prospect of molecular breeding were also discussed.
对目前影响分子育种效率的因素及存在的问题、应用前景进行了探讨。
In accordance with character of space mutation, improvement method of breeding and enhancing efficiency of breeding have been studied.
同时针对航天诱变的特点，进行了改进育种方法和提高诱变效果的研究。
We found that the WTP was affected by the household income, efficiency in loss, farmer's educational level and the risk of pig breeding, etc.
研究结果发现，能繁母猪保险的支付意愿受农户收入、损失效率、养殖户文化程度及生猪养殖风险等因素影响。
N efficiency can be enhanced by breeding for cabbage.
因此，通过品种选育提高结球甘蓝氮素效率是可行的。
The selected mutant has a good genetic stability. It overcomes uncertainty of random selection and the blindness, and increased the efficiency of strain breeding.
得到的突变株遗传稳定性良好，克服了诱变随机筛选的不定向性和盲目性，提高了育种的工作效率。
Based on the data from 25-year rice anther culture breeding and contemporary conventional breeding in cold region, their selection efficiency were compared.
张云江，张淑华，孙岩松对25年寒地水稻花培育种与同期常规育种统计资料进行了比较分析。
The two SCAR markers would have important significance on increasing the efficiency of resistant breeding of the common leaf spot in Alfalfa.
这两个SCAR标记对提高苜蓿褐斑病抗性育种的效率有很重要的意义。
System analysis are used to study the main factors and their interrelations which affect economic efficiency of animal breeding improvement and the optimization of animal breeding scheme.
应用系统分析的思想和方法，分析了影响动物育种改良经济效益的主要因素及相互关系，并在定量描述这些相互关系的基础上探讨了育种方案的优化方法。
With the help of molecular markers, it is possible to perform indirect selection in cucumber breeding, which helps to improve the accuracy and efficiency in genetic analysis.
分子标记技术使黄瓜育种中的间接选择成为可能，同时它还能提高基因分析的准确性和效率。
In practical rice breeding pro-grams, multi-trait index selection for plant yield improves selection efficiency by 20.42%, compared to single-trait selection.
在水稻育种中应用选择指数方法进行综合选择比对单株产量单一性状直接选择效率高20.42%，应用前景广泛。
These results indicate that the elite resistant radish germplasm is of value in radish genetic improvement, and provide the genetic basis for improving the efficiency of breeding for TuMV-resistance.
此结果表明了该优异种质在萝卜抗病毒遗传改良中的利用价值，为萝卜抗病育种和抗病基因的挖掘提供了理论依据。
In the many scientific and technological factors of the promotion of animal production efficiency, animal genetics and breeding have the greatest more than 40% contribution.
在促进动物生产效率提高的诸多科技因素中，畜禽遗传育种工作的贡献率最大，超过了40%。
In the many scientific and technological factors of the promotion of animal production efficiency, animal genetics and breeding have the greatest more than 40% contribution.
在促进动物生产效率提高的诸多科技因素中，畜禽遗传育种工作的贡献率最大，超过了40%。
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