Comparison of yield, composition and quality of milk of Polish Holstein-Friesian cows in conventional and automatic milking systems
Magdalena Kolenda, Dariusz Piwczyński, Marcin Brzozowski, Beata Sitkowska, Piotr Wójcik
The Effectiveness of Using Bulls With Increased Immune Response in Terms of Milk Yield, Milk Contents, and Somatic Cell Count in Polish Holstein-Friesian Cows
Bogumił Sobczyński, Dariusz Piwczyński, Beata Sitkowska, Piotr Wójcik, Magdalena Kolenda