Variance and Covariance Components for Management Traits
Genetic variance and covariance components for across population evaluation of Brown Swiss cattle
... Genetic variance and covariance components for across population evaluation of Brown Swiss cattle Abstract Dairy cattle breeding is an international business, with trade of animal material across ...
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Estimates of Variance Components for Gilt Retention Traits.
... of Variance Components for Gilt Retention ...estimate variance components among traits of importance to gilt retention in modern swine ...farrowing. Traits considered were piglet ...
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Estimation of variance components for carcass and production traits in Guzerat cattle
... genetic variance component, 2 e : residual variance component, REA: rib eye area, BFT: backfat thickness, RFT: rump fat thickness, IMF: intramuscular fat percentage, DMI: dry matter intake, ADG: average ...
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THE EFFECTS OF r- AND K-SELECTION ON COMPONENTS OF VARIANCE FOR TWO QUANTITATIVE TRAITS
... Estimates of the additive genetic variance (from comparison of parents and off spring) and chance variance (within parents) were substracted from the total phenoty[r] ...
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Variance components and correlations of female fertility traits in Chinese Holstein population
... fertility traits to improve the female fertility abilities of Chinese ...correlated traits in genetic ...different traits in genetic ...fertility traits were low, but selection to improve ...
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Estimation of (co) variance components and genetic parameters for growth traits in Arman sheep
... Materials and methods Flock management The animals were kept under conventional manage- rial practices similar to local flocks. Breeding season extends from late August to late October. Therefore, lambing occurs ...
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Estimates of Variance Components for Genetic Correlations Among Swine Litter Quality Traits
... These studies suggest that selection for an increase in litter size will result in a decrease in the individual weight of a piglet but positively impact the overall weight of the litter at birth. The swine industry has ...
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Variance and covariance component estimation of reproductive traits in a multibreed beef cattle herd applying linear and threshold models
... Heritability estimates for all of the continuous traits (calving interval, calving date and age at first calving) were obtained by using a restricted maximum likelihood procedure while h[r] ...
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Bayesian estimation of (co) variance components in Argentinian Brangus for carcass traits using the FCG algorithm
... Data on 2273 Brangus young bulls and heifers were used to estimate heritabilities (h 2 ) and genetics and environmental correlations for ultrasound carcass measures. Records were from the genetic evaluation program of ...
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Variance components, heritability estimates, and breeding values for performance test traits in Old Kladruber horses
... of traits were evaluated – the first, a numerical score for Type and Gender Expression and the second, 11 traits describing performance divided into four categories: (1) Rideability (Overall Impression, ...
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Variance components of combining ability for different morpho-physiological traits for heat tolerance in bread wheat
... superior traits especially according to yield and quality, and is a vital ...its components has become increasingly important forplant breeders in the choice of suitable parents for developing potentialva- ...
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Variance Components due to Direct and Maternal Effects for Growth Traits of Australian Beef Cattle. Abstract
... Variance components for birth, weaning, yearling and final weight in Australian Hereford, Angus and Zebu Cross cattle were estimated by Restricted Maximum ...genetic covariance between direct and ...
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On the principal components of sample covariance matrices
... (1) Let a = T b, where the entries of b are independent with zero mean and unit variance, and T is a deterministic M × M matrix. This may be interpreted as an observer studying a complicated system whose ...
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Determining the Effective Dimensionality of the Genetic Variance–Covariance Matrix
... independent traits underlying a set of functionally related phenotypic traits has been recognized as an important factor influencing the response to ...pheromone traits were shown to be adequately ...
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Variance – Covariance Risk Value Model for Currency Market
... Risk management is one of the most important every company’s managerial tasks especially in commercial banks ...risk management questions in the global and Lithuania’s context were defined as priority ...
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Joint analysis of beef growth and carcass quality traits through calculation of co-variance components and correlations.
... carcass traits in selection ...and management practices to meet market ...ingly, management (growth rate) during the feedlot phase was crucial for all four carcass ...growth traits are ...
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Developmental Associations Between Traits: Covariance and Beyond
... of traits resulting from shared to a change in some (potentially different) moment of developmental pathways has been one of the principal the distribution of the other ...in covariance between two ...
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Maximum likelihood estimation of variance components
... complex covariance structure of the variance components model can be used to describe data arising in fields as diverse as designed experiments in agriculture and observational studies in the social ...
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MM Algorithms for Variance Components Models.
... for Variance Components ...the variance from different ...the traits can be explained by the genetic ...of variance component models remain numerically ...for variance ...
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Variance components and heritability of traits related to Striga asiatica resistance and compatibility to Fusarium oxysporum F.Sp. Strigae in maize
... Further, the biocontrol agent, FOS, suppressed Striga. High broad sense heritability estimates were recorded for Striga counts (0.71), Striga damage rating (0.75), grain yield t ha -1 (0.61) and most kernel traits ...
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