Results 1 to 10 of about 625 (191)

Genomic inbreeding coefficients using imputed genotypes: Assessing different estimators in Holstein-Friesian dairy cows

Journal of Dairy Science, 2022
: The objective of this study was to estimate inbreeding coefficients in Holstein dairy cattle using imputed SNPs data. A data set of 95,540 Italian Holstein dairy cows from the routine genomic evaluations of the Italian National Association of Holstein,
Christos Dadousis, Michela Ablondi, Claudio Cipolat-Gotet, Jan-Thijs van Kaam, Maurizio Marusi, Martino Cassandro, Alberto Sabbioni, Andrea Summer   +7 more
doaj   +3 more sources

Revised Calculation of Kalinowski’s Ancestral and New Inbreeding Coefficients [PDF]

Diversity, 2020
To test for the presence of purging in populations, the classical pedigree-based inbreeding coefficient (F) can be decomposed into Kalinowski’s ancestral (FANC) and new (FNEW) inbreeding coefficients. The FANC and FNEW can be calculated by a stochastic approach known as gene dropping.
Ino Čuřík, Jack Windig, Harmen Doekes   +2 more
exaly   +4 more sources

Correlation Analysis among the Various Inbreeding Coefficients of Pannon Ka Rabbits

Diversity
In a closed population with a limited population size, mating of related animals is unavoidable. In this study, the genealogy data of a synthetic maternal rabbit breed called Pannon Ka were used to calculate different inbreeding coefficients.
István Nagy, Árpád Bokor, János Farkas, Anh Thi Nguyen, János Posta, György Kövér   +5 more
doaj   +3 more sources

Computing inbreeding coefficients quickly [PDF]

Genetics Selection Evolution, 1990
Tier B
doaj   +3 more sources

Computer calculation of inbreeding coefficients

Genetics Selection Evolution, 1982
Mahon GAT, Cunningham EP
doaj   +4 more sources

A modified indirect method for computing inbreeding coefficients

Genetics Selection Evolution
The performance of existing methods for computing inbreeding coefficients—including tabular-based methods, Cholesky decomposition-based methods, and indirect methods—has been limited by either memory usage, pedigree depth, or average half-sib family size.
Che Hsuan Huang, Seijiro Hirama, Toshimi Baba, Junpei Kawakami, Takeshi Yamazaki, Koichi Hagiya   +5 more
doaj   +4 more sources

Comparing pedigree and genomic inbreeding coefficients, and inbreeding depression of reproductive traits in Japanese Black cattle

BMC Genomics, 2023
Background Pedigree-based inbreeding coefficients have been generally included in statistical models for genetic evaluation of Japanese Black cattle. The use of genomic data is expected to provide precise assessment of inbreeding level and depression ...
Motohide Nishio, Keiichi Inoue, Shinichiro Ogawa, Kasumi Ichinoseki, Aisaku Arakawa, Yo Fukuzawa, Toshihiro Okamura, Eiji Kobayashi, Masaaki Taniguchi, Mika Oe, Kazuo Ishii   +10 more
doaj   +1 more source

Estimate of inbreeding depression on growth and reproductive traits in a Large White pig population

G3: Genes, Genomes, Genetics, 2022
With the broad application of genomic information, SNP-based measures of estimating inbreeding have been widely used in animal breeding, especially based on runs of homozygosity.
Yu Zhang, Yue Zhuo, Chao Ning, Lei Zhou, Jian-Feng Liu   +4 more
doaj   +1 more source

Rank-invariant estimation of inbreeding coefficients [PDF]

Heredity, 2021
AbstractThe two alleles an individual carries at a locus are identical by descent (ibd) if they have descended from a single ancestral allele in a reference population, and the probability of such identity is the inbreeding coefficient of the individual.
Qian S. Zhang, Jérôme Goudet, Bruce S. Weir   +2 more
openaire   +3 more sources

The value of genomic relationship matrices to estimate levels of inbreeding

Genetics Selection Evolution, 2021
Background Genomic relationship matrices are used to obtain genomic inbreeding coefficients. However, there are several methodologies to compute these matrices and there is still an unresolved debate on which one provides the best estimate of inbreeding.
Beatriz Villanueva, Almudena Fernández, María Saura, Armando Caballero, Jesús Fernández, Elisabeth Morales-González, Miguel A. Toro, Ricardo Pong-Wong   +7 more
doaj   +1 more source