Now showing items 1-3 of 3

    • The effect of selected factors on freshening milking efficiency in primiparous polish holstein-friesian black-and-white cows 

      Pytlewski, Jarosław; Antkowiak, Ireneusz R.; Stanisławski, Daniel; Czerniawska-Piątkowska, Ewa (Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2017)
      Sire origin as well as age and body weight of heifers at fertilization were shown to have a statistically significant effect on freshening milking efficiency in Polish Holstein-Friesian Black- -and-White primiparous cows. ...
    • The polymorphism C9681T in the prolactin receptor gene and functional traits of dairy cattle 

      Kowalewska-Łuczak, Inga; Czerniawska-Piątkowska, Ewa (Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2017)
      The study analyzed the polymorphism of single nucleotide substitution C9681T (A536V) type, located in exon 10 of prolactin receptor gene. The study was conducted in a herd of cattle of Polish Holstein-Friesian breed of ...
    • The use of genetic markers in the fight against mastitis 

      Czerniawska-Piątkowska, Ewa; Lukomska, Joanna; Bortacki, Paweł (Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2017)
      The purpose of the paper was to characterize mastitis, present different methods of treatment and prevention of emergence of mastits. Conventional methods include hygiene during milking and after it, the cleanliness in ...