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Showing 1 to 20 of 37 for “"grazing systems"”.
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Comparison of buffered grazing systems for beef cattle
… productivity of a rotational versus continuous grazing system for beef production within a buffer grazing system, thirty crossbred beef cows and their calves were randomly assigned to one of two grazing systems replicated twice over three years of the experiment. Each replication of the …
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Effects of Grazing Systems on Sharp-tailed Grouse Habitat
Effects of grazing systems on sharp-tailed grouse (Pedioecetes phasianellus jamesi) nesting and brooding habitats in the Little Missouri National Grasslands of southwestern North Dakota were evaluated. Three grazing allotments with deferred-rotation grazing systems and three allotments with …
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Behavior and Physiological Responses of Livestock Under Different Grazing Systems
… responses of heifers was evaluated when grazing either toxic tall fescue with wildtype endophyte (WE) or tall fescue with a novel endophyte (NE). Heifers (n = 24) were assigned to either WE or NE pastures for a 56-d grazing study during the summers of 2020 and 2021. Heifer average daily …
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Impact of Grazing Systems on Rodent and Cottontail Rabbit Populations in South Texas
… to monitor the impact of Short-duration cell grazing (SDG) and Continuous grazing on small mammal and cottontail rabbit populations. Small mammals were live trapped (With occasional snap trapping) and cottontails were spotlighted. Vertical and horizontal components of vegetative structure were …
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Human-Managed vs. Natural Grazing Systems: Exploring Effects of Livestock and Wildlife Grazing at Multiple Scales
<p>Grazing by large herbivores is the most prevalent land use on grassland ecosystems, which cover greater than 40% of the earth's land surface and provide critical ecological and economic benefits. As such, understanding how grazing impacts different aspects of the ecosystem is of especially great …
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A comparison of the effects of two different grazing systems on community attributes of eastern Karoo vegetation
… however, also be a serious problem in natural grazing lands. In this research project an attempt is made to . determine the areas of potential wind erosion in the Cape Province through the use of two different models. The models used were developed and applied in semi-arid areas and thus were …
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Soil-plant-herbivore interactions and nutrient dynamics in semi-arid grazing systems in northeastern Brazil and western USA
… and ecosystem structure in semi-arid grazing systems in northeastern Brazil and Colorado, USA. We found that the presence of tree species within pastures of C. ciliaris in northeastern Brazil led to increases in soil nutrient levels, cycling rates, and availability in comparison to …
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Modelling the influence of rainfall variability and different grazing systems on the spatiotemporal dynamics and productivity of semiarid rangeland
… and secondly, to re-examine the rotational grazing system with modelling as a substitute to field trials.
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Passerine Use of Grasslands Managed With Two Grazing Regimes on the Missouri Coteau in North Dakota
Several rotational grazing systems have been implemented on the Missouri Coteau in central and northcentral North Dakota as part of the Prairie Pothole Joint Venture (PP N). The impacts these systems have on grassland passerines are not fully understood. Objectives for this study include …
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Evaluating native warm-season grass and wildflower mixtures for beef cattle production in the Mid-Atlantic
… establishment of NWSG-WF stands. Additionally, a grazing study examined whether NWSG-WF pasture enhancement could improve animal performance in TF grazing systems. The small plot experiments experienced extreme weed competition in the establishment year, although plots with higher NWSG content had …
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Effects of Grazing Intensity and Temporal Application of Grazing Treatments on Nongame Birds in North Dakota Mixed-Grass Prairie
Grazing occurred naturally in the northern Great Plains and influenced many natural processes in grassland ecosystems, including the habitat selection of breeding birds. Grazing, mainly for livestock production, is still an important land use practice and is one that impacts millions of hectares on …
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Management of summer grazed alfalfa
… regrowth, and quality as affected by summer grazing management and K fertilization (560 kg K/ha) was investigated with sheep. Sheep grazed alfalfa for 2-, 4-, or 6-weeks following a 2 July hay cut when regrowth was 450 kg/ha dry matter; beginning in early bud for 10 days (delayed); at early …
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Temporal Nutrient Dynamics in Cool-Season Pasture
… studies conducted within the context of a larger grazing systems project near Steele's Tavern, VA. The objectives were to: (1) examine temporal changes in plant available soil nutrient concentrations in four grazing systems, (2) determine how hay feeding and use of improved forages affected soil …
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The Impact of Selected Forage Legumes on Cattle Performance, Forage Production, and Soil Quality, and Evaluation of Legume Persistence under Grazing
… legumes for N fertilizer in beef cattle grazing systems has recently increased with rising fertilizer prices. Legumes are well known for their ability to fix atmospheric N and decrease dependence on input of N fertilizer. However, there are still difficulties associated with legume …
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Design of a robotic manipulator for automatic application of milking cups
… commercial dairy farm. Several automatic milking systems (AMS) are available commercially, however such commercial AMS have low capacity (typically 7.5 cows/unit/hr) and speed of teat detection and rmlking cup application is relatively low. Attempts to introduce commercial AMS into pasture-grazing …
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Hair Sheep Production in Temperate, Deciduous Appalachian Silvopastures
… increase the output from livestock production systems. Silvopasture production offers solutions to many management issues associated with grazing systems in the Appalachian region. Several tree species have been proposed for silvopastures in humid temperate regions, but little data comparing …
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Evaluation of Mob Grazing and its Impacts on Soil Moisture and Temperature and Litter Decomposition in South Dakota
<p>Mob grazing is a type of management intensive grazing system that mimics natural grazing systems where high stocking densities are placed on the land for a short period of time. One way producers measure their success with this system is by the amount of trampled vegetation present after …
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Differential dry matter production, nutritive value and grazing utilisation of perennial ryegrass varieties and mixtures evaluated within intensive grazing regimes
Grass based ruminant production systems aim to utilise large proportions of grazed herbage as high utilisation levels reduce costs associated with ruminant production and therefore maximise profit. Perennial ryegrass (Lolium perenne L.) grazing efficiency has been shown to influence farm herbage …
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Bovine Coccidiosis: Dynamics of infection in grazing cattle and the potential role of stress and immunity
… order to assess the impact of these organisms in grazing systems. In these studies the prevalence of Eimeria spp. infection was highest in calves less than one year of age and subsequently decreased to stable levels in older animals. Although E. bovis was the most common species identified in …
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