Wydanie 368(67)3 2023

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http://hdl.handle.net/20.500.12539/1934

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    PozycjaOpen Access
    Polymorphism in the GHRL Gene and Milk Production Traitsin Jersey Cattle
    (Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2023) Śpiewak, Magdalena; Kowalewska, Inga; Department of Genetics, Faculty of Biotechnology and Animal Breeding, West Pomeranian University of Technology, Szczecin, Poland; Department of Genetics, Faculty of Biotechnology and Animal Breeding, West Pomeranian University of Technology, Szczecin, Poland
    The aim of this study was to assess potential relationships between GHRL 4491A˃G genotypes and selected milk production traits, including milk yield, protein and fat content, and protein and fat yield. The study involved 180 Jersey cows. Genotypes of individual animals were determined using the ACRS and PCR-RFLP methods. The allele frequencies were as follows: A – 0.98 and G – 0.02. The conducted research revealed statistically significant relationships (P ≤ 0.05) between GHRL genotypes and milk protein content, and tendencies were observed regarding the association of genotypeswith analyzed milk production traits.