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Polymorphisms in NCF4 and SAA2 Genes and Production and Reproduction Traits of Dairy Cattle

Polymorphisms in NCF4 and SAA2 Genes and Production and Reproduction Traits of Dairy Cattle

Inga Kowalewska-Łuczak1 and Ewa Czerniawska-Piątkowska2,*

1Department of Genetics and Animal Breeding, Faculty of Biotechnology and Animal Breeding, West Pomeranian University of Technology in Szczecin, Piastów Avenue 45, 79-311 Szczecin, Poland
2Department of Ruminant Sciences, Faculty of Biotechnology and Animal Breeding, West Pomeranian University of Technology in Szczecin, Klemensa Janickiego 29, 71-270 Szczecin, Poland

*      Corresponding author: ewa.czerniawska-piatkowska@zut.edu.pl

ABSTRACT

The aim of the study was to analyze the possible influence of polymorphism in the NCF4 and SAA2 genes on selected milk and reproductive traits in the Polish Holstein-Friesian cattle (black and white variety). Analysis of genotypes of individual species was carried out using the PCR-RFLP. The frequency of the most occurring alleles for the individual polymorphisms studied was the following g.18174 A>G NCF4 gene A-0.807; SAA2 c.-84 G>C G - 0.777 and SAA2 c.114G>A G - 0.843. Statistical analysis allowed to show, in the case of SAA2 c.-84 G>C polymorphisms, cows with the CC genotype were characterized by the highest content of protein and the lowest content of fat in milk. On the other hand, for the SAA2 c.114G>A polymorphism, it was shown that cows with GA genotype were characterized by the lowest calving interval (P≤0.05). In summary, the information contained in this study may be useful for further analysis to determine the effect of the analyzed polymorphisms in the NCF4 and SAA2 genes on the milk production and reproductive traits of dairy cattle. 

 

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Pakistan Journal of Zoology

August

Vol. 53, Iss. 4, Pages 1201-1601

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