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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Author(s)
Węglarz Andrzej1, Balakowska Anna2 and Kułaj Dominika3
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DOI:10.17265/2161-6256/2019.06.005
Affiliation(s)
1. Department of Genetics, Animal Breeding and Ethology, University of Agriculture in Krakow, al. Mickiewicza 24/28, Krakow 30-059, Poland
2. Technology Transfer Center, University of Agriculture in Krakow, al. Mickiewicza 21, Krakow 31-120, Poland
3. Department of Animal Reproduction, Anatomy and Genomics, University of Agriculture in Krakow, al. Mickiewicza 24/28, Krakow 30-059, Poland
ABSTRACT
The purpose of this study was to analyse polymorphisms of the CAPN1,
CAST and MSTN genes and their association with the microstructure of the Musculus
longissimus thoracis (MLT) and textural
parameters in bulls of the Holstein-Friesian breeds, black-and-white variety.
The polymorphisms at the three loci: in position 6536 of the 3’UTR region of
the CAPN1 gene, in position 230 of intron 5 in CAST gene, and in position 371
of the promoter region of the MSTN gene were analysed. Given the
inconsequential genetic diversity at the analysed CAPN1 and MSTN loci in the
animal sample, it was considered unreasonable to perform further statistical
analyses aimed at determining associations between polymorphisms in these
positions and meat characteristics. Based on an analysis of the CAST gene
polymorphism, a significant association with certain histological and textural
parameters was identified.
KEYWORDS
Gene polymorphism, beef, histology, texture, calpain, myostatin.
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