Management practices are often needed to ensure that riparian areas are not heavily grazed by livestock. A study was conducted in Montana during midsummer to evaluate the efficacy of low-stress herding and supplement placement to manage cattle grazing in riparian areas. Three treatments were evaluated in three pastures over a 3-yr period in a Latin-square design (n 5 9). Each year, naïve 2-yr-old cows with calves were randomly assigned to the three treatments: 1) free-roaming control, 2) herding from perennial streams to upland target areas, and 3) herding to upland sites with low-moisture block supplements. Stubble heights along the focal stream were higher (P 5 0.07) in pastures when cattle were herded (mean 6 SE, 23 6 2 cm) than in controls (15 6 3 cm). Global positioning system telemetry data showed that herding reduced the time cows spent near (, 100 m) perennial streams (P 5 0.01) and increased the use of higher elevations (P 5 0.07) compared with controls. Evening visual observations provided some evidence that free-roaming cows (44% 6 19%) were in riparian areas more frequently (P 5 0.11) than herded cows (23% 6 6%). Fecal abundance along the focal stream was less (P 5 0.07) with herding (61.9 6 11.4 kg ? ha 21) than in controls (113.2 6 11.4 kg ? ha 21). Forage utilization within 600 m of supplement sites was greater (P 5 0.06) when cows were herded to low-moisture blocks (18% 6 6%) compared with controls and herding alone (8% 6 2%). Moving cattle to uplands at midday using low-stress herding is an effective tool to reduce use of riparian areas. Herding cattle to low-moisture blocks can increase grazing of nearby upland forage but may not provide additional reduction in cattle use of riparian areas compared with herding alone. Resumen Las prácticas de manejo a menudo se necesitan para asegurar que las áreas ribereñ as no sean fuertemente apacentadas por el ganado. Se condujo un estudio en Montana a mediados del verano para evaluar la eficacia del pastoreo de bajo estrés y la localización del suplemento para manejar el apacentamiento del ganado en las áreas ribereñ as. Se evaluaron tres tratamientos en tres potreros durante tres añ os bajo un diseñ o de cuadro latino (n 5 9). Cada añ o, vacas nativas de dos añ os con sus becerros fueron asignadas aleatoriamente a los tres tratamientos: 1) movimiento libre, control, 2) pastoreo de corrientes permanentes a áreas específicas en terrenos altos y 3) pastoreo hacia sitios de tierras altas con bloques de suplemento con baja humedad. Las alturas del rastrojo en las corrientes de interés fueron mayores (P 5 0.07) en los potreros cuando el ganado fue pastoreado (media 6 EE, 23 6 2 cm) que en el tratamiento control (15 6 3 cm). Los datos de telemetría del sistema de posicionamiento global mostraron que el pastoreo reduce el tiempo que las vacas pasan cerca (, 100 m) de las corrientes perennes (P 5 0.01) y aumenta el uso de elevaciones mayores (P 5 0.07) comparado con el control. Las observaciones visuales nocturnas proveen cierta evidencia de que las vacas con movim...
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