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Celem pracy była ocena efektywności chowu bydła w gospodarstwach utrzymujących dwie polskie rodzime rasy objęte programem ochrony zasobów genetycznych, tzn. polską czerwoną (15 gospodarstw) i białogrzbietą (20 gospodarstw). Grupę kontrolną stanowiło 15 gospodarstw utrzymujących krowy rasy polskiej holsztyńsko-fryzyjskiej w intensywnych technologiach. Informacje zbierano bezpośrednio w gospodarstwach,...
A survey covering 50 or more cows, in the herds under the milk quality control, led by PFHBiPM in the Wielkopolska province has been conducted. Maintenance system, milking parlour type and the method of manure removal from the building were included. Cows were kept in 144 herds in tie-stall byre; 103 herds were kept in free-stall system with open/common space and 222 herds in free-stall byre. Almost...
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