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Analysis of polymorphism in the NUCB2 gene and the milk production traits of polish holstein-friesian cattle

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Szalast D. K., Kowalewska I., Czerniawska-Piatkowska E.

Folia Pomeranae Universitatis Technologiae Stetinensis. Agricultura, Alimentaria, Piscaria et Zootechnica

2022

tom 63

nr 3(364)

The aim of the study was to analyze the single nucleotide substitution polymorphism (SNP) located in exon 9 (1079 G>T, rs471862956) of the gene encoding nucleobindin-2 (NUCB2) in relation to milk production traits such as milk, protein and fat yield and protein and fat content in milk. The research was carried out in a herd of Polish Holstein-Friesian black and white cattle, and genotyping of individual animals was carried out using PCR-RFLP. The most common genotype is the heterozygous genotype (0.53), and the more frequent allele is the T allele (0.52). The analysis of the obtained results showed that there are statistically significant relationships at the level of P ≤ 0.05 and P ≤ 0.01 between individual genotypes of the polymorphism studied and the considered milk performance characteristics. It was observed that individuals with the TT homozygous genotype were characterized by the highest values of such traits as: milk yield as well as fat and protein yield. However, in the case of animals of the homozygous GG genotype, it was observed that the milk obtained from them was characterized by the highest fat and protein content.

Ograniczanie wyników

1 Folia Pomeranae Universitatis Technologiae Stetinensis. Agricultura, Alimentaria, Piscaria et Zootechnica

1 Czerniawska-Piatkowska E.

1 Kowalewska I.

1 Szalast D. K.

1 2022

Wyniki wyszukiwania

Analysis of polymorphism in the NUCB2 gene and the milk production traits of polish holstein-friesian cattle