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育种系统
相关语句
  breeding system
     Genetic diversity within a breeding system of Pinus tabulaeformis.
     油松育种系统遗传多样性研究
短句来源
     A Blup breeding system for inner mongolia cashmere goat based on intranet
     基于Intranet的绒山羊BLUP育种系统
短句来源
     APPLICATION OF COMPUTER ASSISTED BREEDING SYSTEM IN MODERN HOGPENS
     现代化猪场计算机辅助育种系统的开发与应用研究
短句来源
     On the analysis of 9 isozymes, ACP, ADH, GOT, CAT, MDH, PGM, SKD, MNR and LAP, by horizontal starch gel electrophoresis, the changes of genetic diversity parameters among 6 populations, parental (NS) and progeny(NSP) of natural stands, parental (SO) and later progeny (SOP) of seed orchard and parental (TP) and progeny (TPP) of early testing populations, within a Chinese pine ( Pinus tabulaeformis Carr.) breeding system in Liaoning Province were detected.
     该文以一油松育种系统中 6个群体为研究对象 ,借助水平淀粉凝胶电泳的同工酶分析方法 ,用筛选出的ACP ,ADH ,GOT ,CAT ,MDH ,PGM ,SKD ,MNR ,LAP共 9种酶系统 15个位点 ,分析了各群体间和群体内的遗传多样性状况 .
短句来源
     in this article, we briefly describe the technical features of Intranet and the principle of BLUP (best linear unbiased prediction) breeding system. we designed a BLUP breeding system for inner mongolia cashmere goat based on intranet. the system will gradually take the place of traditional computing and information managing system based on pc in the future.
     概述了Intranet技术的特点和BLUP(最佳线性无偏预测)育种系统的原理,提出采用Intranet技术设计绒山羊BLUP育种系统,逐步取代传统的PC计算和信息管理系统。
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  “育种系统”译为未确定词的双语例句
     Global optimization algorithm based on the management idea of breeding systems and its performance
     基于育种系统管理全局优化算法及其性能
短句来源
     Design and Application of Computer Assistant Breeding Software on Modern Pig Farm
     现代猪场计算机辅助育种系统的开发与应用研究
     Keeping higher genetic diversity within breeding population of forest tree is the premise for future selection and improvement.
     保持林木育种群体较高的遗传多样性是对林木进一步选择和改良的前提 ,而评价育种系统中遗传多样性变化的工作则很少 .
短句来源
     Breeding Project and selection technique were discussed as well.
     同时,对育种系统规划、选种方法等,也作了探讨分析。
短句来源
     Possibility of selection at the age of six years,aimed at improvement for productive deployment and establishment of breeding population,was discussed. It raised selection for the establishment of the next generation breeding population that could be realized only when most trees in the test stand of sub-population reach the age of fruiting.
     探讨了六年生时为生产性改良和为育种群体培育而选择的可能性,并提出要真正达到按核心育种系统组建下一代育种群体要求,还有待于亚群体试验林多数林木进入开花结实才能实现.
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  相似匹配句对
     SYSTEM
     系统
短句来源
     system).
     系统)。
短句来源
     AN EXPERT SYSTEM OF BIOLOGICAL GENETIC BREEDING
     生物遗传育种专家系统
短句来源
     Prospect of Agricultural Expert System for Breeding
     农业育种专家系统展望
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     Plant Breeding by Genetic transformation
     转基因育种
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  breeding system
Evaluation of the effect and profitability of gene-assisted selection in pig breeding system
      
Effects of mating, breeding system and parasites on reproduction in hermaphrodites: pulmonate gastropods (Mollusca)
      
THE MACROEVOLUTIONARY DIVERSIFICATION OF FEMALE AND MALE COMPONENTS OF THE STICKLEBACK BREEDING SYSTEM
      
High frequency of extra-pair fertilisations in the moustached warbler, a songbird with a variable breeding system
      
This flower thrips has the potential of fast development of resistance owing to the short generation time, high fecundity, and a haplodiploid breeding system.
      
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  system of breeding
To test this hypothesis, a congenic stock of C57BL/10 with the DBA/1 Y chromosome was developed by the backcross system of breeding; the stock is designated C57BL/10-Y1.
      
In order to produce pollutionfree pork for market, Tianhuan builds an integrated system of breeding, farrowing and finishing hogs of high quality.
      


Chinese race "Fangshan" and Japanese race "Xing · Ming" which is made of "Xingguang" and "Kerning" according to hctcrosis theory have been respectively bred with cross breeding and pedigree selection. Then a new three-way hybrid " Fangshan × Xing · Ming" has been combined. And this breed has the characters of" high resistance, stable yield, good cocoon, excellent filament and easy reproduction ctc.

用杂交育种系统选择法育成了中系品种芳山和日系品种星光.并应用杂种优势的原理,先将星光与科明(本所1980年育成)组成日系杂交原种星·明,再与芳山组配成三元杂交种芳山×星·明.本品种具有抗性强、稳产、茧丝质优良、原蚕好养、繁育系数高等优点,根据浙江5个基点的试繁,芳山×垦·明的万蚕茧层量、解舒丝长,分别比对照品种浙农1号×苏12高16.18%、17.06%.该品种净度为93.36分.适于长江流域夏秋期饲养.

The comparative analysis on the breeding models and selective efficiency of Partly-bred varieties of swine in northwest of China was made, according to relative efficiency and PhenotyPic Progressive value of breeding objective traits. Based on the analysis the theoretical model of the strain breeding of the bacon-type pies was Put forward. Breeding objective of this model was that daily gain, food conversion rate and lean meat percentage would be raised continually while the original charaters of Chinese swine...

The comparative analysis on the breeding models and selective efficiency of Partly-bred varieties of swine in northwest of China was made, according to relative efficiency and PhenotyPic Progressive value of breeding objective traits. Based on the analysis the theoretical model of the strain breeding of the bacon-type pies was Put forward. Breeding objective of this model was that daily gain, food conversion rate and lean meat percentage would be raised continually while the original charaters of Chinese swine were held. Breeding Project and selection technique were discussed as well.

本文根据育种目标性状的相对选育效率和表型改进量,对西北地区部分育成猪种的育种模式及选育效果,进行了对比分析。并以此为基础,提出了以保持我国猪种肉质好、繁殖力高和适应性强的特点,不断提高日增重、饲料利用率和胴体瘦肉率为选育目标的瘦肉型猪品系选育的理论模式。同时,对育种系统规划、选种方法等,也作了探讨分析。

Keeping higher genetic diversity within breeding population of forest tree is the premise for future selection and improvement. On the analysis of 9 isozymes, ACP, ADH, GOT, CAT, MDH, PGM, SKD, MNR and LAP, by horizontal starch gel electrophoresis, the changes of genetic diversity parameters among 6 populations, parental (NS) and progeny(NSP) of natural stands, parental (SO) and later progeny (SOP) of seed orchard and parental (TP) and progeny (TPP) of early testing populations, within a Chinese pine ( Pinus...

Keeping higher genetic diversity within breeding population of forest tree is the premise for future selection and improvement. On the analysis of 9 isozymes, ACP, ADH, GOT, CAT, MDH, PGM, SKD, MNR and LAP, by horizontal starch gel electrophoresis, the changes of genetic diversity parameters among 6 populations, parental (NS) and progeny(NSP) of natural stands, parental (SO) and later progeny (SOP) of seed orchard and parental (TP) and progeny (TPP) of early testing populations, within a Chinese pine ( Pinus tabulaeformis Carr.) breeding system in Liaoning Province were detected. The results show that: ①There is higher genetic diversity within each population but less differentiation among them.②The genetic diversity of SO, which built by plus trees from 20 natural stands, is higher than NS. ③The diversity parameters of SOP are similar with NSP. ④The parameters of genetic diversity are increased from parental population(SO) to its first generation (TP) and second generation (TTP), and the parameters of all the three populations are higher than NS. It seems that the improving process could keep higher genetic diversity. ⑤The 3 parental populations (NS, TP and SO) are in Hardy Weinberg equilibrium, but 3 progeny populations (NSP, TPP and SOP) are not in accordance with Hardy Weinberg equilibrium. The strategies of conservation of genetic diversity within forest tree breeding system were discussed as well.

保持林木育种群体较高的遗传多样性是对林木进一步选择和改良的前提 ,而评价育种系统中遗传多样性变化的工作则很少 .该文以一油松育种系统中 6个群体为研究对象 ,借助水平淀粉凝胶电泳的同工酶分析方法 ,用筛选出的ACP ,ADH ,GOT ,CAT ,MDH ,PGM ,SKD ,MNR ,LAP共 9种酶系统 15个位点 ,分析了各群体间和群体内的遗传多样性状况 .研究结果表明 :①各群体内均有较高的遗传多样性水平 ;②种子园无性系群体的遗传多样性水平高于天然林 ;③种子园不同时期产生的两个自由授粉子代群体的遗传多样性与天然林子代群体相似 ;④遗传多样性参数在P0 到F2 三个世代间表现出递增趋势 ,说明改良群体可以维持较高的遗传多样性水平 ;⑤ 3个亲代群体的多数位点遵循Hardy Weinberg平衡 ,而 3个子代群体则与之相反 .该文对油松改良过程群体的遗传多样性变化及影响因素作了讨论 ,分析了群体是否遵循Hardy Weinberg平衡的原因 ,探讨了如何维持和提高种子园遗传多样性和遗传效率 ,提出了进一步研究的建议 .

 
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