نتایج جستجو برای: phenotypic traits

تعداد نتایج: 150592  

2013
B. Dube Sendros D. Mulugeta K. Dzama

________________________________________________________________________________ Abstract The objective of the study was to estimate genetic and phenotypic parameters for sow productivity traits of South African Large White pigs, using data from the Integrated Registration and Genetic Information Systems. The analyses were done on 29 719 records for 7 983 sows from 29 herds, which farrowed betw...

2014
Jinyuan Yan Michael D. Bradley Jannice Friedman Roy D. Welch

Information about a gene sometimes can be deduced by examining the impact of its mutation on phenotype. However, the genome-scale utility of the method is limited because, for nearly all model organisms, the majority of mutations result in little or no observable phenotypic impact. The cause of this is often attributed to robustness or redundancy within the genome, but that is only one plausibl...

2017
Sofia Berlin Henrik R. Hallingbäck Friderike Beyer Nils-Erik Nordh Martin Weih Ann-Christin Rönnberg-Wästljung

Background and Aims Phenotypic plasticity can affect the geographical distribution of taxa and greatly impact the productivity of crops across contrasting and variable environments. The main objectives of this study were to identify genotype-phenotype associations in key biomass and phenology traits and the strength of phenotypic plasticity of these traits in a short-rotation coppice willow pop...

ژورنال: علوم آب و خاک 2000
خسروی نیا, حشمت ‌الله, ادریس, محمدعلی, پوررضا, جواد ,

Data of 1200 male and female chicks from 90 sires were used to estimate the heritabilities as well as genetic and phenotypic correlations of body measurements and carcass characteristics in three genetic groups, namely, crosses of native chickens with an exotic breed (group A), native chickens which were selected for two generations on the basis of 8th week body weight (group B) and a native co...

ژورنال: علوم آب و خاک 2004
محمدعلی ادریس, , مهدی سرگلزایی, ,

In this study, 14322 growth trait records of 2387 sheep bred and reared in the Rearing and Breeding Station of Bakhtiari Sheep during 1989-1997 were used to estimate the phenotypic, genetic, and environmental trends for some of the growth traits using Animal Model for lambs, rams, and ewes. The genetic trend of birth weight, weaning weight, six month's weight, daily gain from birth to weaning, ...

بیگی‌نصیری, محمدتقی, راشدی ده‌صحرائی, آذر , فیاضی, جمال , وطن خواه, محمود ,

The aim of present study was to estimate genetic and phenotypic trends for body weight traits at some ages in Lori-Bakhtiari lambs. In this study a total of 7721 records on birth weight, 6462 records of one month weight, 7275 records of weaning weight 5745 records of 6 month weight, 3326 records of 9 month weight and 3088 records of 12 month weight of Lori-Bakhtiari sheep was used to reveal the...

Journal: :Journal of economic entomology 2000
D van Engelsdorp G W Otis

Nine different genetic families of honey bees (Apis mellifera L.) were compared using summed z-scores (phenotypic values) and a modified selection index (Imod). Imod values incorporated both the phenotypic scores of the different traits and the economic weightings of these traits, as determined by a survey of commercial Ontario beekeepers. Largely because of the high weight all beekeepers place...

اقبال, علیرضا, شیلانان, میثم, فروتنی فر, صاحب, ورکوهی, شیدا,

In this study, estimation of genetic parameters of Lameness and genetic and phenotypic correlations between Lameness and milk, fat and protein yield were performed. The data obtained from 63403 Holstein cows were collected from the Animal Breeding Center of Iran between 2001 to 2013 Estimation of genetic parameters for lameness was performed by univariate animal and Threshold models. Also, esti...

Journal: :The Plant cell 2007
Remco M P Van Poecke Masanao Sato Lisa Lenarz-Wyatt Sanford Weisberg Fumiaki Katagiri

Natural variation in gene expression (expression traits or e-traits) is increasingly used for the discovery of genes controlling traits. An important question is whether a particular e-trait is correlated with a phenotypic trait. Here, we examined the correlations between phenotypic traits and e-traits among 10 Arabidopsis thaliana accessions. We studied defense against Pseudomonas syringae pv ...

2016
Hongjing Duan Sen Cao Huiquan Zheng Dehuo Hu Jun Lin Huazhong Lin Ruiyang Hu Yuhan Sun Yun Li Brian J. Palik

To determine the phenotypic variation in 700 ten-year grafted Chinese fir collected from six provinces in southern China, 10 phenotypic traits were investigated: tree height, diameter at breast height, bark thickness, volume of timber, heartwood ratio, density of wood, hygroscopicity, tracheid length, tracheid diameter, and ratio of tracheid length to tracheid diameter. Abundant phenotypic vari...

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