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
Sobczyński, Bogumił, Piwczyński, Dariusz, Sitkowska, Beata, Wójcik, Piotr, Kolenda, Magdalena
The effect of genotype and sex on carcass composition, digestive system and leg bone traits in broiler breeders after the reproductive season
Wegner, Marcin, Kokoszyński, Dariusz, Piwczyński, Dariusz
Survival of Polish Holstein-Friesian Cows to Second, Third and Fourth Lactation in Conventional and Automatic Milking Systems
Piwczyński, Dariusz, Sitkowska, Beata, Brzozowski, Marcin, Bogucki, Mariusz, Wójcik, Piotr
Comparison of yield, composition and quality of milk of Polish Holstein-Friesian cows in conventional and automatic milking systems
Kolenda, Magdalena, Piwczyński, Dariusz, Brzozowski, Marcin, Sitkowska, Beata, Wójcik, Piotr