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Article

Variants of somatotropin in cattle: gene frequencies in major dairy breeds and associated milk production.

Domestic animal endocrinology - 1 Oct 1993

Lucy M C, Hauser S D, Eppard P J, Krivi G G, Clark J H, Bauman D E, Collier R J

Abstract excerpt

The amino acid sequence of bovine somatotropin (bST) varies at position 127 where either valine or leucine is found. The frequencies of leucine127 and valine127 bST gene alleles in cows (n = 302) and sires (n = 70) from major dairy breeds (Holstein, Brown Swiss, Guernsey, Jersey, and Ayrshire) we...

Topics

Alleles
Animals
Base Sequence
Breeding
Cattle
Chi-Square Distribution
DNA
DNA Primers
Female
Gene Frequency
Genotype
Growth Hormone
Lactation

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Least-Squares Analysis

Leucine

Male

Molecular Sequence Data

Polymerase Chain Reaction

Source

Identifiers

PMID: 7905813
DOI: 10.1016/0739-7240(93)90036-b

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 30 Aug 2026. Prepared record publication-7905813-2026-08-30.1. Manifest publication-graph-cohort-2026-08-30.1.

Source receipt: PubMed via Helena Literature Corpus, retrieved 30 Aug 2026.

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