The objective of this work was to determine the changes on the intake behavior of ovines when modifying the
initial high of grazing of Leucaena lanceolata
. The statistical analysis was an analysis of variance using x2
with test of Kruskal–Wallis, for which 10 females of the Pelibuey breed were used and the initial heigh of the
treatments were T1 60, T2 100, T3 140, and T4 180 cm. Before and after grazing, biomass both total and in layers
of height 0-60, 60 - 100, 100 -140, and 140 - 180 cm were taken. Grazing lasted 4 h per day (from 9:00 to
13:00 h). The activity of the animals was registered and how they consumed the plant, by direct vision for each
individual every 10 min. The results showed significant differences (P<0.05) for utilization, time dedicated to
the consumption of the legumes, and position of the head to consume plant. An inverse relation was obtained
for utilization and initial height, with a decrease in the utilization of 93.2% for T1 to 35.9% for T4, with a similar
behavior among layers. The position of the head varied, depending on the availability of the foliage and height.
The initial height of the pasture modified the utilization, form, and consuming time for sheep on L. leucocephala
with the best values for initial height of 100 cm.