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See detailMarker assisted selection of bovine for improved milk composition.
Blott, Sarah; Kim; Schmidt-Kuntzel, Anne et al

Patent (2008)

The present invention provides a method of genotyping bovine for improved milk production traits by determining the GHR genotypic state of said bovine, wherein the GHR gene and polymorphisms within said ... [more ▼]

The present invention provides a method of genotyping bovine for improved milk production traits by determining the GHR genotypic state of said bovine, wherein the GHR gene and polymorphisms within said gene have been found to be associated with such improved milk production traits. [less ▲]

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See detailMolecular dissection of a quantitative trait locus: a phenylalanine-to-tyrosine substitution in the transmembrane domain of the bovine growth hormone receptor is associated with a major effect on milk yield and composition.
Blott, Sarah; Kim, Jong-Joo; Moisio, Sirja et al

in Genetics (2003), 163(1), 253-66

We herein report on our efforts to improve the mapping resolution of a QTL with major effect on milk yield and composition that was previously mapped to bovine chromosome 20. By using a denser chromosome ... [more ▼]

We herein report on our efforts to improve the mapping resolution of a QTL with major effect on milk yield and composition that was previously mapped to bovine chromosome 20. By using a denser chromosome 20 marker map and by exploiting linkage disequilibrium using two distinct approaches, we provide strong evidence that a chromosome segment including the gene coding for the growth hormone receptor accounts for at least part of the chromosome 20 QTL effect. By sequencing individuals with known QTL genotype, we identify an F to Y substitution in the transmembrane domain of the growth hormone receptor gene that is associated with a strong effect on milk yield and composition in the general population. [less ▲]

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