Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 407888
Title Whole-genome association study for milk protein composition in dairy cattle
Author(s) Schopen, G.C.B.; Visker, M.H.P.W.; Koks, P.D.; Mullaart, E.; Arendonk, J.A.M. van; Bovenhuis, H.
Source Journal of Dairy Science 94 (2011)6. - ISSN 0022-0302 - p. 3148 - 3158.
Department(s) Animal Breeding and Genetics
Publication type Refereed Article in a scientific journal
Publication year 2011
Keyword(s) quantitative trait loci - genetic-polymorphism - beta-lactoglobulin - missense mutation - alpha-lactalbumin - multiple levels - mixed-model - bovine-milk - casein - yield
Abstract Our objective was to perform a genome-wide association study for content in bovine milk of aS1-casein (aS1-CN), aS2-casein (aS2-CN), ß-casein (ß-CN), ¿-casein (¿-CN), a-lactalbumin (a-LA), ß-lactoglobulin (ß-LG), casein index, protein percentage, and protein yield using a 50K single nucleotide polymorphism (SNP) chip. In total, 1,713 Dutch Holstein-Friesian cows were genotyped for 50,228 SNP and a 2-step association study was performed. The first step involved a general linear model and the second step used a mixed model accounting for all family relationships. Associations with milk protein content and composition were detected on 20 bovine autosomes. The main genomic regions associated with milk protein composition or protein percentage were found on chromosomes 5, 6, 11, and 14. The number of chromosomal regions showing significant (false discovery rate
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