Results of scientific research

The analysis of the genetic trend in selected populations of Holstein-Friesian cattle in 1995–2013
Krzysztof Kotlarz Joannna Szyda Andrzej Żarnecki
3-12
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Nutritional and dietetic value of żentyca – a traditional product from mountain sheep milk
Aldona Kawęcka Marta Pasternak
13-20
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Review articles

Origin and characteristics of type and utility of hens of the Lakenvelder breed
Marcin Różewicz Dorota Szablicka
21-31
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Natural nutritional substances restricting the development of protists in the rumen of sheep
Aurelia Radzik-Rant Marta Dąbrowska Witold Rant
32-40
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Potential for cultivation of tritordeum in Poland, its feed value and the possibility of using its kernel in poultry nutrition
Marcin Różewicz
41-46
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Informative studies

Jeszcze słów kilka o historii hodowli bydła polskiego czerwonego
Kazimierz Żukowski
47-51
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Profesor Stefan Wierzbowski – pożegnanie
Zdzisław Smorąg
52
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