Protein Supplementation and Grazing Behavior for Cows on Differing Late-Season Rangeland Grazing Systems.

The objective was to determine if low- or high-residual feed intake (LRFI or HRFI, = 24 for each) Hereford × Angus cows on continuously or rotationally grazed rangeland altered their grazing behavior when provided a protein supplement in late autumn. Treatments included continuously grazed, control (CCON, = 12); continuously grazed, supplemented (CTRT, = 12); rotationally grazed, control (RCON, = 12); and rotationally grazed, supplemented pastures (RTRT, = 12). Cows in each treatment had grazing time (GT), resting time (RT), and walking time (WLK) measured for 2 years with accelerometers.

Salinity tolerance of three competing rangeland plant species: Studies in hydroponic culture.

Halogeton () is an invasive species that displaces Gardner's saltbush () on saline rangelands, whereas, forage kochia () potentially can rehabilitate these ecosystems. Salinity tolerance has been hypothesized as the predominant factor affecting frequency of these species. This study compared relative salinity tolerance of these species, and tall wheatgrass () and alfalfa ().