Effect of various protein components, used in concentrates for cows, on production of milk and its selected components
1999
Lozicki, A. | Dymnicka, M. (Warsaw Agricultural University, (Poland). Katedra Zywienia Zwierzat i Gospodarki Paszowej) | Krzyzewski, J. (Polska Akademia Nauk, Jastrzebiec (Poland). Inst. Genetyki i Hodowli Zwierzat) | Karas, J. | Arkuszewska, E. | Gagucki, M.
The objective of the experiment was to compare the effect of three protein components of concentrates in rations with maize and grass silage. The animals were divided into 3 groups. The experiment lasted for 7 months. Feed rations were balanced according NEL system. Roughages were administrated ad libitum whereas their intake was controlled. Concentrates were standarized. The following protein components were employed in the mixed feed: group 1 - rapeseed meal; group 2 rape cake and group 3 horse bean and white lupin. Cow yield, as calculated in kg FCM was higher in group 2 in comparison to groups 1 and 3
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