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The comparison of usefulness results of the primiparous and multiparous cattle of the limousine breed
(Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2017)
The study was conducted in a herd of cattle kept in pure breed in the Kujawsko-
-Pomorskie province. The study included a total of 107 individuals: 27 primiparous and
80 multiparous. Cattle data were obtained from farm ...
Effect of the age at first calving on milk performance in Simental cows
(Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2015)
The studies included 88 Simental cows which were kept on farm in the West
Pomerania province. The effect of age at first calving depending on milk performance in
subsequent 305-day lactations were determined. The highest ...
Effect of age at first calving and calving interval lenght on milk performance in cows
(Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2017)
The research was conducted in the Kujawsko-Pomorskie voivodship. The study
material consisted of 103 cows of the Polish Holstein-Friesian breed black and white (phf, cb),
considering selected breeding parameters: age of ...
Influence of the age on the day of first calving and the length of calving intervals on the milk yield of cows
(Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2016)
Badaniami objęto 264 krowy rasy holsztyńsko-fryzyjskiej, o wydajności wynoszącej ponad 10 000 kg mleka, które utrzymywane były w jednym z największych gospodarstw na terenie województwa wielkopolskiego – w Sano Agrar ...