2024 Selection index and expected genetic advance

Selection index and expected genetic advance

Author: vbgb

August undefined, 2024

WebA unified theory, which takes into account both the genetic and experimental conditions, for predicting double cross hybrids from single cross hybrids is developed. The method is analogous to that for selection indices. Relationship of the prediction model to the genetic model is explored. WebIt is possible to exploit the accuracy calculation as a type of quality control filter for population data, such that individuals with an expected level of relatedness to the …

Review on Selection Index in Animal Breeding

WebMar 7, 2015 · Selection index and expected genetic advance. In Statistical Genetics and Plant Breeding 141-163. NAS-NRC 982, Washington, DC. [ PDF] Goldberger AS. (1962). … WebDec 9, 2024 · A linear selection index (LSI) can be a linear combination of phenotypic values, marker scores, and genomic estimated breeding values (GEBVs); phenotypic values and … horrifying animals

Effect of sampling errors on efficiency of selection indices 1. Use …

WebAug 18, 2015 · A genomic selection index (GSI) is a linear combination of genomic estimated breeding values that uses genomic markers to predict the net genetic merit and … WebFeb 4, 2024 · Multiple breed evaluation using genomic prediction includes the use of data from multiple populations, or from parental breeds and crosses, and is expected to lead to better genomic predictions. Increased complexity comes from the need to fit non-additive effects such as dominance and/or genotype-by-environment interactions. WebSelection index methods were used to combine single-trait evaluations into approximate multitrait evaluations for productive life and to combine singlecountry rankings into … horrifying animal attacks

A Genomic Selection Index Applied to Simulated and Real …

Henderson, C.R. (1963) Selection Index and Expected …

WebOct 8, 2004 · Estimated correlation coefficients between genotypic worth and each of the indices, and expected genetic advance in each trait with 10% selection intensity ( k =1.76) according to base index method a Each index has been calculated based on the economic weights presented in Table 1 and base index method as described by Brim et al. (1959). b WebHenderson, C.R. (1963) Selection Index and Expected Genetic Advance. In Statistical Genetics and Plant Breeding, National Academy of Sciences, No. 982, National Research … lower beechmont conservation areaWebOct 1, 1994 · This was the challenge Hazel accepted for his thesis project. HAZEL’S DEVELOPMENT OF MULTIPLE-TRAIT INDEX SELECTION “As it turned out, most of the important principles and concepts required to maximize expected genetic improvement were already being taught in courses of animal breeding, statistics, and genetics. lower bed frame queen

"WebSep 27, 2024 · The three indices can use phenotypic, genomic, or both sets of information to predict the unobservable net genetic merit values of the candidates for selection and all of them maximize the... " - Selection index and expected genetic advance

Selection index and expected genetic advance

CSIRO PUBLISHING Animal Production Science

WebQuinoa is an ancestral crop in the Andean region, characterized by its adaptability to different agroclimatic conditions, great nutritional value, and broad genetic variability. A preliminary approach for understanding the genetics of quinoa materials entails a morphologic characterization, which can provide the basis for the selection of materials … WebSep 2, 2010 · Selection index and expected genetic advance. In Statistical Genetics and Plant Breeding (ed. Hanson, W. D. and Robinson, H. F. ), pp. 141 – 163. Publ. 982. National …

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WebSelection indices for grain yield and other characters were constructed and examined to identify their relative efficiency in the selection of superior genotypes. The results on selection indices, discriminant function, expected genetic gain and relative efficiency are presented in Table 1. WebJun 6, 2016 · Most traits of agronomic importance are quantitative in nature, and genetic markers have been used for decades to dissect such traits. Recently, genomic selection has earned attention as next generation sequencing technologies became feasible for major and minor crops. Mixed models have become a key tool for fitting genomic selection models, …

WebSelection index, discriminant function, expected genetic advance in grain yield and relative efficiency from the use of different selection indices of bread wheat Sr. No.

WebHenderson, C.R. (1963) Selection Index and Expected Genetic Advance. In Statistical Genetics and Plant Breeding, National Academy of Sciences, No. 982, National Research Council Publication, Washington DC, 141-163. - References - Scientific Research Publishing Article citations More>> WebNov 1, 2002 · Equilibrium genetic parameters (Bulmer 1971) are obtained by iterating on index 2, as if it concerned single-stage selection (this results in a minor underprediction of selection response).In the equilibrium situation, indexes 1 and 2 follow a bivariate normal distribution with correlation ρ 12 = ρ 1 /ρ 2, where ρ 1 (ρ 2) is the accuracy of selection of …

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WebApr 14, 2009 · Selection index and expected genetic advance. In Statistical Genetics and Plant Breeding (ed. Hanson, W. D. & Robinson, H. F. ), publication 982, pp. 141 – 163. Washington, DC: National Academy of Sciences/National Research Council. Google Scholar Henderson, C. R., ( 1979 ). Using estimates in predictions of breeding values under a … lower beeding neighbourhood planWebSep 1, 2024 · The selection index (SI) is a method for estimating the breeding value (BV) of a cow combining all information available on the cow and its relatives (Mohammed 2024). … horrifying backgroundsWebSelection index, Discriminant function, Expected genetic advance in yield and Relative efficiency from the use of different Selection indices in mung bean in summer season. … horrifying but strongWebDec 9, 2024 · A linear selection index (LSI) can be a linear combination of phenotypic values, marker scores, and genomic estimated breeding values (GEBVs); phenotypic values and marker scores; or phenotypic values and GEBVs jointly. lower bed frame for seniorsWebJan 1, 2024 · Expected genetic gain is a prediction of the actual change in phenotype that would occur due to the genetic changes brought about by a proposed selection or a … lower beechmont real estateWebSelection based on the index using kernel rows and kernel weight was almost as efficient as selection for yield itself. However, when the expected genetic advance was computed for one location, this index was 8.3% more efficient. Selection based on any of the components considered alone was much less efficient than that based on yield itself. lower beechmont qldWebnomic value is expected from selection applied simultaneously to all the characters which deter- ... GAY Genetic Advance/Genetic Gain of base selection index Value Data frame of possible selection indices with per cent relative efﬁciency and ranking Examples gmat<- gen.varcov(seldata[,3:9], seldata[,2], seldata[,1]) ... lower beechmont weather