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genetic
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  “genetic”译为未确定词的双语例句
    Isolation and Genetic Analysis of Avian Leukosis Viruses Subgroup J (ALV-J) and Development of Recombinant Diagnositics for Detecting Antibody Against ALV-J
    J亚群禽白血病病毒分离株变异分析及重组抗原ELISA检测方法的建立
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    The Research of Genetic Toxoid Bacterin Against Porcine Contagious Pleuropneumonia
    猪传染性胸膜肺炎新型基因工程类毒素菌苗的研究
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    Studies on Genetic Polymorphism Using Microsatellite DNA in Goats and Forecast on Heterosis
    山羊微卫星DNA多态性检测及杂交优势预测
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    Construction of apx Ⅱ Genetic Engineering Mutant Strain of Actinobacillus Pleuropneuminiae and Research on Its Biological Characteristic
    猪胸膜肺炎放线杆菌apxⅡ基因工程突变株构建及其生物学特性研究
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    Study on ELISA for Diagnosis of Porcine Corcovirus Type 2 and Bivalent Genetic Engineering Vaccine of Porcine Circovirus Type 2 and Pseudorabies Virus
    猪2型圆环病毒ELISA诊断方法及猪2型圆环病毒-伪狂犬病病毒二价基因工程疫苗研究
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  genetic
More particularly, Genetic Algorithms, Artificial Neural Networks and Fuzzy Logic methods seem to be the most promising tools to speed up and optimize the search for new leads and focused libraries.
      
Herein we describe the 3D QSAR study of 4-anilinoquinoline-3-carbonitrile by Genetic Function Approximation (GFA) and Comparative Molecular Field Analysis (CoMFA).
      
In this paper a hybrid algorithm which combines the pattern search method and the genetic algorithm for unconstrained optimization is presented.
      
The algorithm is a deterministic pattern search algorithm, but in the search step of pattern search algorithm, the trial points are produced by a way like the genetic algorithm.
      
Novel Quantum Genetic Algorithm and Its Applications
      
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Summary The brown goat is a breed both for milk and meat and skin, It was distributed in the suburbs of Chengdu, but now it has spread to the mountainous and hilly regions in the western part of Sichuan Province. Preliminary investigations were carried out on the physical and external characters, growth and reproductive performance of the 3,027 brown goats for evaluation and improvement. The genetic traits of the brown goat are stable, and it is early-maturing and physically strong, Most of the external...

Summary The brown goat is a breed both for milk and meat and skin, It was distributed in the suburbs of Chengdu, but now it has spread to the mountainous and hilly regions in the western part of Sichuan Province. Preliminary investigations were carried out on the physical and external characters, growth and reproductive performance of the 3,027 brown goats for evaluation and improvement. The genetic traits of the brown goat are stable, and it is early-maturing and physically strong, Most of the external characters are essentially in agreement with published reports, but some of them have changed. They grow better than. they did in the suburbs of Chengdu and their body is bigger. This suggests that the mountainous and hilly regions are suitable for the brown goat, However, there have been some defects in the course of breeding, particularly with respect to selection, utilization and elimination of sires, and there has been a neglect in the selection of the brown goat for productivity, It is suggested that purebreds should be selected and that the purpose of breeding should be both for milk and meat and skin,

麻羊是肉、乳、皮兼用的山羊品种,原主要分布在成都近郊,现西移于川西平原西部边缘浅山深丘地带。为了探索麻羊现况,便于鉴别和改良品种,进行了一次着重于麻羊的体质外形特征、生长和繁殖性能的初步调查。通过对大邑、邛崃两县3027头山羊调查,了解到麻羊遗传性稳定、较早熟、体质结实,其外形特征与原报导多处相符,但有所变化。生长比成都近郊的好,体格也大,说明浅山深丘环境更适宜于麻羊的生长。但在繁育过程中存在一定问题,特别是种公羊的选留、利用、淘汰及忽视生产力的选择。建议实行本品种选育,宜向乳、肉、皮兼用方向发展。

The Tongcheng Swine is a fine local breed. Estimates of the genetic parameters of some quantitative traits of pigs of this breed were obtained. The computed results show: (1) estimates of heritability for main reproductive traits, except birth weight per piglet and litter weight at birth, are lower (h~2<0.22) and similar to those reported elsewhere about other native local swine breeds; (2) estimates of heritability for birth weight per pighet (h~2=0.33) and litter weight at birth(h~2=0.42) are higher;...

The Tongcheng Swine is a fine local breed. Estimates of the genetic parameters of some quantitative traits of pigs of this breed were obtained. The computed results show: (1) estimates of heritability for main reproductive traits, except birth weight per piglet and litter weight at birth, are lower (h~2<0.22) and similar to those reported elsewhere about other native local swine breeds; (2) estimates of heritability for birth weight per pighet (h~2=0.33) and litter weight at birth(h~2=0.42) are higher; (3) the heritability for uniformity at birth is 0.54; (4) the repeatability of four reproductive traits are lower (r_e<0.2).

对通城猪若干数量性状(主要是繁殖性状)的遗传参数进行了初步估测。揭示出其特点如下:(1)通城猪几个主要繁殖性状(除初生个体重、初生窝重外)的遗传力均较低(h~2<0.22),与国内一些地方猪种相近。(2)初生平均个体重(h~2=0.33)和初生窝重(h~2=0.424)遗传力估值较高。(3)初生仔猪均匀度的遗传力为0.54,(4)通城猪四个主要繁殖性状的重复率较低(re<0.2)。

This paper reported the results of experiments on the study of egg qualityand its genetic behaviors.Data were collected from 5 strains and 15 hybridcombinations produced by white Leghorns(W L)and Rhod Island Reds(R IR).Results obtained indicated that the egg quality of W L were superior,butthere were difference between lines and various families within the same line.Egg shell quality of R I R was inferior.Egg quality was affected significantlyby the age of hens.Shell quality and Hough unit declined notably...

This paper reported the results of experiments on the study of egg qualityand its genetic behaviors.Data were collected from 5 strains and 15 hybridcombinations produced by white Leghorns(W L)and Rhod Island Reds(R IR).Results obtained indicated that the egg quality of W L were superior,butthere were difference between lines and various families within the same line.Egg shell quality of R I R was inferior.Egg quality was affected significantlyby the age of hens.Shell quality and Hough unit declined notably in the laterstage of egg production,except for the R I R.Heritability estimate of egg weight in the present study was lower thanthose reported in previous literature,and it was lower for shell quality,andhigher for albumen hight and Haugh unit.Correlation coefficents obtainedindicated negative values between egg quality traits and egg production andegg and body weight,but possitive between egg weight and Haugh unit.Hybrid produced by reciprocal crossing W L with R I R breeds exhibitedheterosis in shell quality,but none between linecrosses within the W L.Results of reciprocal crosses suggested that the genetic pattern of egg weightand albumen quality was autosomal inheretance.It was found that the eggweight and Haugh unit exhibited highly Significant general combining ability(g.c.a.)and shell weight per unit surface area revealed specific combiningability(s.c.a.)besides being in highly significant g.c.a.The line E exhibitedthe highest g.c.a.for egg quality.Inbreeding depression for egg quality wasnot found with the inbreeding coefficent at 25 percent.As to on-farm selection for peformance of egg production,more selectionpressure should be given when selecting for economical important traits whilemaintaining the present merit of egg quality,and eliminating the inferior fa- milies and individuals.For R I R both shell quality and blood and meat spotsshould be improved.It was found that the association of egg weight,egg shape and shell tex-ture with shell strength was low,However,correlation index(R~2)between spe-cific gravity of egg and shell thickness with shell strength was 0.4296.Theseresults showed that specific gravity had higher predictive value for shell qua-lity because it is reliable and convenient in practice with indestruction of theintact egg.Sampling measurements on egg quality for a breeding farm should be madeat the early stage and again at the late stage of egg production.

本文报告了白来航和洛岛红两个品种、五个品系及其十一个杂交组合的蛋质特性及其遗传特点。白来航鸡蛋质较好,存在不同程度的品系间及家系间差异。洛岛红鸡蛋壳质量较差。产蛋后期蛋壳质量显著下降。但洛岛红鸡表现出较强的钙沉积能力。本研究测定了蛋质性状的遗传力估计值,蛋壳质量遗传力较低,蛋白质量遗传力较高。产蛋量等经济性状与蛋质性状间的关系,除蛋重与蛋白质量为正相关外,均呈一定程度的负相关。蛋壳质量的杂交效应,白来航与洛岛红杂种鸡表现出杂种优势。蛋白质量无优势。蛋重和蛋白质量一般配合力高度显著,蛋壳质量特殊配合力显著。在近交系数为25%时,蛋质不表现近交衰退。

 
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