Grazing, browsing time and milk production of lucerna cows in a silvopastoral system in different seasons of the year

摘要

In general, little importance is given to the animal's preferences while grazing. In silvopastoral systems the animal's preference is of major importance because the availability of a variety of forages. Given the seasonal variation of the quantity and quality of the offered forages, it is necessary to adjust the supplementation accordingly, specially with highly productive animals. Silvopastoral systems with a high arboreal density offer a high quantities of protein, therefore imbalances of the prot