Ewa Ptak
3PUBLICATIONS
6CO-AUTHORS
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Publications (3)
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|Jun 24, 2022
Estimation of Genetic Parameters for Female Fertility Traits in the Polish Holstein-Friesian Population.Agnieszka Otwinowska-Mindur, Ewa Ptak, Wojciech Jagusiak
|Oct 23, 2021
Effect of Calving Difficulties and Calf Mortality on Functional Longevity in Polish Holstein-Friesian Cows.Małgorzata Morek-Kopeć, Andrzej Zarnecki, Ewa Ptak
|Aug 27, 2021
Modelling Extended Lactations in Polish Holstein-Friesian Cows.Agnieszka Otwinowska-Mindur, Ewa Ptak, Joanna Makulska
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