In order to study the effect of grazing pastures with a different botanical composition on rumen and intramuscular fatty acid metabolism, 21 male lambs were assigned to three botanically different pastures: botanically diverse (BD) (consisting for 65% of a variety of grass species); Leguminosa rich (L) (consisting for 61% of Leguminosae) and intensive English ryegrass (IR) (with 69% Lolium pere...

A critical dimension of global environmental change is the high rate of deforestation taking place as landholders convert primary and secondary growth into pastures for raising cattle. In the Brazilian Amazon, the expansion of cattle ranching is occurring at such a rapid pace that concerned analysts have coined the term "pecuarização" (cattlelization) to depict the extraordinary increase in the...

Beef Average Daily Gain and Enteric Methane Emissions on Birdsfoot Trefoil, Cicer Milkvetch and Meadow Brome Pastures

Semi-natural grasslands with traditional management are known to be very species-rich, with many plant species strongly associated with the habitat. The last century’s decline of semi-natural grasslands, as a result of land use change and abandonment, has made the remaining semi-natural grassland a high concern for conservation. Since management can be costly and the available resources often a...

the peak spring and autumn production periods for coolseason forages in the eastern Great Plains (Mitchell et Two big bluestem (Andropogon gerardii Vitman) strains (Pawnee al., 1994; Moser and Vogel, 1995). Krueger and Curtis C3 and Kaw C3) developed by three breeding cycles for increased forage yield and in vitro dry matter digestibility (IVDMD) were com(1979) in South Dakota reported monocult...