Results 11 to 20 of about 391,632 (299)

Quantitative genetics of disease traits [PDF]

open access: yesJournal of Animal Breeding and Genetics, 2015
SummaryJohn James authored two key papers on the theory of risk to relatives for binary disease traits and the relationship between parameters on the observed binary scale and an unobserved scale of liability (James Annals of Human Genetics, 1971; 35: 47; Reich, James and Morris Annals of Human Genetics, 1972; 36: 163). These two papers are John James’
Wray, N. R., Visscher, P. M.
openaire   +7 more sources

Quantitative Genetics and Evolution

open access: yesPeriodicum biologorum, 2010
Today, evolution is a unifying concept in biology. A century and half ago, Darwin developed the theory of natural selection, and proposed it as the mainmechanism of evolution. A quantitative approach to the study of evolution required new theoretical developments in population and quantitative genetics. Here, I review the basic concepts of quantitative
KRUNOSLAV BRČIĆ-KOSTIĆ   +1 more
openaire   +4 more sources

COMPARISON OF QUANTITATIVE GENETIC PARAMETERS [PDF]

open access: yesEvolution, 1992
Shaw (1991) has described a maximum-likelihood procedure for comparing genetic covariance matrices between populations. While her efforts to expand the procedures available for quantitative genetic analyses are laudable, her discussion is incomplete in several respects. For example, consider her criticism of Dietz's matrix permutation test (Dietz, 1983)
David E, Cowley, William R, Atchley
openaire   +2 more sources

Genomic prediction using a reference population of multiple pure breeds and admixed individuals

open access: yesGenetics Selection Evolution, 2021
Background In dairy cattle populations in which crossbreeding has been used, animals show some level of diversity in their origins. In rotational crossbreeding, for instance, crossbred dams are mated with purebred sires from different pure breeds, and ...
Emre Karaman   +3 more
doaj   +1 more source

The impact of genotyping strategies and statistical models on accuracy of genomic prediction for survival in pigs

open access: yesJournal of Animal Science and Biotechnology, 2023
Background Survival from birth to slaughter is an important economic trait in commercial pig productions. Increasing survival can improve both economic efficiency and animal welfare. The aim of this study is to explore the impact of genotyping strategies
Tianfei Liu   +4 more
doaj   +1 more source

QUANTITATIVE GENETICS OF HETEROCHRONY [PDF]

open access: yesEvolution, 1987
A model of quantitative-genetic variation in developmental processes is introduced and analyzed. The model is of a bifurcating sequence of events in which traits develop from the same tissue until a transition occurs, after which they develop partially independently.
openaire   +2 more sources

Accuracy of multi-trait genomic selection using different methods [PDF]

open access: yes, 2011
Background Genomic selection has become a very important tool in animal genetics and is rapidly emerging in plant genetics. It holds the promise to be particularly beneficial to select for traits that are difficult or expensive to measure, such as traits
Veerkamp Roel F   +5 more
core   +1 more source

Transcriptomic and presence/absence variation in the barley genome assessed from multi-tissue mRNA sequencing and their power to predict phenotypic traits

open access: yesBMC Genomics, 2019
Background Barley is the world’s fourth most cultivated cereal and is an important crop model for genetic studies. One layer of genomic information that remains poorly explored in barley is presence/absence variation (PAV), which has been suggested to ...
Marius Weisweiler   +4 more
doaj   +1 more source

Effective Selection for Lower Mortality in Organic Pigs through Selection for Total Number Born and Number of Dead Piglets

open access: yesAnimals, 2022
Selection for the number of living pigs on day 11 (L11) aims to reduce piglet mortality and increase litter size simultaneously. This approach could be sub-optimal, especially for organic pig breeding.
Roos M. Zaalberg   +3 more
doaj   +1 more source

Genomic prediction in Nordic Red dairy cattle considering breed origin of alleles

open access: yesJournal of Dairy Science, 2022
: This study investigated the reliability of genomic prediction (GP) using breed origin of alleles (BOA) approach in the Nordic Red (RDC) population, which has an admixed population structure.
Ana Guillenea   +3 more
doaj   +1 more source

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