The quality of pasture forage under rotational and continual grazing of heifers
1998
Pavlu, V. (Ustav Zemedelskych a Potravinarskych Informaci, Liberec (Czech Republic). Vyzkumna Stanice Travnich Ekosystemu) | Velich, J.
The present study was carried out to investigate the effect of different grazing management systems on quality of pasture forage. The experiment was carried out at an experimental pasture in mountains. There were two treatments: rotational grazing (R) and continuous grazing (K), both of them on 1.0 ha. Each week, samples of herbage were taken to simulate herbage grazed by the heifers and were subsequently dried and analysed for nutrients and minerals. A surplus of crude protein (CP) and K were found in forage at rotational and continuous grazing, however, there was a shortage of energy, crude fibre (CF) and Na. Significant differences in the content of CP and CF were found between both grazing systems, where at continuous grazing the content of CP was about 10% higher and the content of CF about 10% lower than at rotational grazing. The differences in quality of pasture forage did not strongly affect the average daily liveweight gain of heifers.
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