Identification of kappa-casein genotype in Holstein sires: a comparison between analysis of milk samples from daughters and direct analysis of semen samples from sires by polymerase chain reaction.

doi:10.3168/jds.S0022-0302(91)78415-4

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Article

Identification of kappa-casein genotype in Holstein sires: a comparison between analysis of milk samples from daughters and direct analysis of semen samples from sires by polymerase chain reaction.

Journal of dairy science - 1 Aug 1991

Ng-Kwai-Hang K F, Zadworny D, Hayes J F, Kühnlein U

Abstract excerpt

Two different methods were used to determine kappa-casein genotypes of Holstein sires. In the earlier procedure, genotypes of sires were deduced by analyzing frequency distribution data of kappa-casein variants obtained through typing of milk samples from daughters by electrophoresis. The second method involved direct analysis of DNA obtained from semen samples of the sires. The polymerase chain reaction was used...

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PMID: 1918522
DOI: 10.3168/jds.S0022-0302(91)78415-4

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.