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   育种理论 在 畜牧与动物医学 分类中 的翻译结果: 查询用时:1.156秒
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育种理论
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  breeding theory
    In order to meet the requirement of national modern cattle husbandry and breeding management,the Modern Cow Management Software that can run on Windows9X/Me/NT/2000 /XP was designed by means of Visual FoxPro9.0,based on animal breeding theory and the computer application technology,which could enhance veracity and efficiency of selection & breeding of cow.
    本研究以提高奶牛选育水平和经营管理效率为目标,应用现代家畜育种理论和数据库软件开发技术,以Visual FoxPro9.0为开发工具,设计出可在Windows9X/Me/NT/2000/XP等操作平台上运行的现代奶牛场辅助育种管理软件。
短句来源
    The breeding data information analysis and management system was based on network calculating technique, object-oriented technique, and modern breeding theory. It can be used in the data arrangement and mutton sheep selection in breeding sheep factory or the produce manages and breed analysis in commercial factory.
    该系统应用最流行的网路计算技术和面向对$的程序设计方法,以肉羊的基本生产数据资料为基础,利用现代育种理论设计而成的育种数据信息分析管理系统,主要应用于种羊场的育种数据的整理和种肉羊的选优,并可作为一般商品肉羊场的生产管理和一般育种分析应用。
短句来源
    The simulation results of Monte Carlo method in animal breeding scheme, artificial se- lection, QTL mapping, and breed conservation provide powerful support for doing research of breeding theory and practi- cal breeding.
    它在动物育种方案研究、人工选择、QTL定位及保种方案等方面的模拟结果,为育种理论研究和实际育种工作提供了强有力的支撑。
短句来源
  breeding theories
    The Discussion on Some Problems in Genetics and Breeding Theories
    试论遗传育种理论中的几个问题
短句来源
    WT5BZ]The reasons and the measures of the decline of the ARAS on chick feather color were researched in the course of the YuZhou Brown Layer breeding through many experiments,in accordance with the modern genetics and layer breeding theories.
    以现代遗传育种理论为依据 ,以豫州褐蛋鸡配套系为素材 ,研究了豫州褐蛋鸡育种中羽色自别雌雄准确率下降的原因和解决措施。
短句来源
    The systems of selection and breeding for introduced rabbit variety and French Rex Rabbit were set up with modern breeding theories and methods.
    运用现代育种理论和方法,建立了对引入品种兔的选育制度和法系獭兔的选育体系。
短句来源
  “育种理论”译为未确定词的双语例句
    Based on molecular breeding techniques, double-line-cross (American-line A1/Z7ХGerman-line A1/G1) were utilized in this study.
    本项研究根据分子遗传育种理论和技术,利用生产性能优良和遗传距离较大的美系獭兔(单倍型A1、Z7)和德系獭兔(单倍型A1、G1)进行两品系杂交,采用继代选育,培育出了适应性强、生产性能好、遗传性能稳定的白色獭兔R新品系。
短句来源
    The target of this system is to make the breeding data of mutton sheep management scientifically; improve the accuracy of selection and mating of mutton sheep; prove the scientific and rapid breeding information;
    本系统的目的在于实现肉羊育种数据资料管理的科学化和提高种肉羊选种和选配的准确度,为肉羊场和育种专家提供科学快捷的育种信息,实现现代遗传育种理论与计算机技术的有机结合。
短句来源
    Pig breeding is one of the most important part of Animal Agriculture in our country. Application of molecular genetic approach in the pig can help to understand gene structures, functions, and its relationship with phenotypes and traits.
    养猪业是畜牧业的一个重要产业,通过分子遗传学途径对猪的遗传机理进行研究可加深对猪基因的结构、功能及与性状关系等的了解,推动动物育种理论的发展以及为猪育种工作提供更多的可作为标记辅助选择(marker assisted selection,MAS)的候选基因。
短句来源
    This paper, based on the practice and theory of breeding, attemptsto introduce a new breeding method named "Blood Relation Breeding" (BRB).
    根据育种理论和实践提出一种“血系繁育法”。
短句来源
    With application of modern genetic theory and breeding technique, the paternal and maternal lines used for crossing have been established.
    运用现代遗传育种理论和方法,育成配套品系的父、母系。
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  breeding theory
Critical questions about plant breeding theory and practiceare posed, and answers from the viewpoint of the two contrastingdefinitions of yield stability are analyzed, based on key publicationsin the field.
      
  breeding theories
Some problems of biometrical breeding theories regarding the parental ability test in autogamous plants
      
  breeding strategies
We discuss temporal segregation, differences between species in their breeding strategies and variable conditions between years as factors that favour the temporal coexistence of species in the Mediterranean region.
      
Mammalian breeding strategies vary depending on particular social contexts and sensory systems emphasized in various species.
      
The breeding strategies considered was based on pairwise crossing of the selected breeding population and balanced within family selection for the next breeding population.
      
The screening for resistance, sources of resistance, including interspecific hybridization, and induced mutations, as well as the genetics of resistance are treated along with suggestions for future breeding strategies of these crops.
      
Tuberosum x Tuberosum and Tuberosum x Andigena potato hybrids: comparisons of families and parents, and breeding strategies for
      
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Combining the breeding theory of livestock with the practice of intro- ducing a fine variety,the author expounds the problems needing affention of breed,birth place,age,amount,informations,seasons,quarantine ect. in introducing a fine variety from abroad.The author puts forward specific measures in taming and preserving a breed.

作者将家畜育种理论与引种实践相结合,阐述了从国外引种应注意的问题,如品种、产地、月龄、数量、档案资料、季节和检疫等。提出了驯化和保种的具体措施。

This paper, based on the practice and theory of breeding, attemptsto introduce a new breeding method named "Blood Relation Breeding" (BRB). Themethod includes four phases which are the establishment of the basic populationof the BRB, the successive blood line maintenance in generations and closed breedingwithin the blood lines,the selective mating between blood lines,and the reconstructionof blood lines. A foundation population of the BRB consists of 2 or 3 independentblood lines each with no less than 3 boars...

This paper, based on the practice and theory of breeding, attemptsto introduce a new breeding method named "Blood Relation Breeding" (BRB). Themethod includes four phases which are the establishment of the basic populationof the BRB, the successive blood line maintenance in generations and closed breedingwithin the blood lines,the selective mating between blood lines,and the reconstructionof blood lines. A foundation population of the BRB consists of 2 or 3 independentblood lines each with no less than 3 boars and corresponding number of sows. It alsomakes criteria for setting up blood lines. In general, under the condition of the BRB,the efficiency of selection is Ri (response to individual selection)>Rbw(responseto selection withion blood lines)>Rb(response to selection among blood lines).Meanwhile, the mode, namely rotation mating for noninbred is designed as well.

根据育种理论和实践提出一种“血系繁育法”。该法可分为四个阶段:血系基础群的建立;血统维持与闭锁繁育;血统间的交叉选配;血统的重新组建。一个血系群包含2-3个独立血统,每个血统最少应有3头以上公猪与相应数量的母猪。同时制定了血统划分标准,论证了在血系繁育的一般情况下,选择效率是:个体选择>血统内选择>血统选择。还设计了非近交的循环交配模式。

With application of modern genetic theory and breeding technique, the paternal and maternal lines used for crossing have been established. The paternal line was developed from inbreeding, its inbreeding coefficient was 38-39%, While the maternal line was selected from generation among closed flock. The amount of egg laid by duck with age in 500days was as much as 266-276 in paternal line and 285-296 in maternal line. By mating between two lines and determining their combining ability of all combinations, it...

With application of modern genetic theory and breeding technique, the paternal and maternal lines used for crossing have been established. The paternal line was developed from inbreeding, its inbreeding coefficient was 38-39%, While the maternal line was selected from generation among closed flock. The amount of egg laid by duck with age in 500days was as much as 266-276 in paternal line and 285-296 in maternal line. By mating between two lines and determining their combining ability of all combinations, it showed that the egg amount of optimum combination duck aged in 500 days was maximum to 329-344 which was 19 -16% above its parental lines. After establishment of proliferative system, there were 870, 000 ducks bred during 1988-1991 and the egg amount laid by 500 days age duck among these large scale was averaged to 305-310. In addition to breeding, It has been approached that: activity of enzyme extracted from duck embryo histological medium as standard for early line selection; main hereditary character data estimated as ecomonic index; the genetic feature for indio-shell egg heredity in duck breed; and the energy and protein necessity for these egg-laying ducks.

运用现代遗传育种理论和方法,育成配套品系的父、母系。父系以近交法建系,近交系数达38—39%,母系以家系闭锁世代选择法建系。父、母系的母鸭500日龄平均产蛋分别266—276和285—296个,配套系统配合力测定,最佳配套组合500日龄平均产蛋329—344个,比父母系分别提高19—24%和15—16%。建立了繁育体系,1988—1991年间配套杂交制种87万只。大群生产500日龄平均产蛋305—310个。在配套系选育的同时,研究了用鸭胚组织培养液酶活性进行早期选种;主要经济性状遗传参数的估测;蛋鸭青壳蛋遗传规律;产蛋鸭的能量和蛋白质的需要。

 
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