Rangeland Ecology & Management
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- Library Collection RecordA 4-year study was conducted on Cross Timbers range in north-central Oklahoma. Conventional seasonlong grazing (SLS) of stocker cattle was compared to intensive-early season stocking (IES). Stocking…Publication Date 1990-03-01
- forests
- liveweight gain
- stocking rate
- pastures
- vegetation
- Oklahoma
- prairies
- defoliation
- grazing
- beef cattle
- forage
- Library Collection RecordSixteen ruminally cannulated beef steers grazing native summer range in the Northern Great PIains were assigned to 4 treatments in a 2 X 2 factorial arrangement. Main effects were barley grain and…Publication Date 1990-09-01
- steers
- digestibility
- crude protein
- digesta
- kinetics
- dietary supplements
- pH
- transit time
- barley
- feed supplements
- natural grasslands
- summer
- cattle feeding
- monensin
- feed grains
- diets
- cattle
- rumen fermentation
- Montana
- grazing
- feed intake
- Library Collection RecordSixteen ruminally cannulated steers grazing Northern Great Plains native winter range were assigned to 4 treatments in a 2 X 2 factorial arrangement. Main effects were protein and monensin. A soybean…Publication Date 1990-09-01
- pelleted feeds
- winter
- soybean meal
- steers
- digestibility
- crude protein
- digesta
- kinetics
- dietary supplements
- pH
- transit time
- barley
- natural grasslands
- cattle feeding
- monensin
- diets
- cattle
- protein supplements
- rumen fermentation
- Montana
- grazing
- feed intake
- Library Collection RecordHypotheses are frequently posed that require comparisons among diet samples. Hierarchical cluster analysis is suited to this task, but has received little attention in food habits research. By…Publication Date 1990-05-01
- cluster analysis
- feeding habits
- horses
- Antilocapra americana
- herbivores
- diet studies
- cattle
- seasonal variation
- Library Collection RecordSimulated 8-pasture short duration grazing systems were studied in 1985-86 to determine the effect of grazing schedule and stocking rate on defoliation patterns of individual grass tillers of big…Publication Date 1990-03-01
- Schizachyrium scoparium
- controlled grazing
- stocking rate
- Andropogon gerardii
- rotational grazing
- Oklahoma
- tillers
- grazing intensity
- cattle
- defoliation
- grazing
- plant height
- Library Collection RecordEmergence of broadcast-seeded kleingrass (Panicum coloratum L. 'Selection 75') was compared for 2 seasons in short-duration grazed (SDG) areas and ungrazed exclosures in the Texas Rolling…Publication Date 1990-03-01
- soil strength
- Panicum coloratum
- controlled grazing
- seedling emergence
- stocking rate
- pastures
- cattle
- Texas
- soil compaction
- trampling
- Library Collection RecordBest linear unbiased prediction (BLUP) procedures were used to separate genetic merit from environmental effects on 205-d weight (205-d wt) of calves produced by cows grazing 2 pasture systems.…Publication Date 1990-09-01
- liveweight gain
- calves
- continuous grazing
- progeny testing
- breeding value
- best linear unbiased prediction
- genetic effects
- responses
- environmental factors
- heifers
- rotational grazing
- diets
- cattle
- grazing
- New Mexico
- Library Collection RecordShort-duration grazing (SDG) has been purported to increase forage production and utilization compared to other grazing systems, and thus can sustain higher stocking rates. This study was designed to…Publication Date 1990-03-01
- availability
- stocking rate
- pastures
- cattle
- plant density
- Texas
- botanical composition
- grazing
- forage
- Library Collection RecordImproved carrying capacity of grasslands has been attributed to the effect of time-controlled grazing with high animal density, which can be achieved by increased stocking rates as well as by fencing…Publication Date 1990-11-01
- stress response
- mixed pastures
- Festuca
- controlled grazing
- grazing trials
- root systems
- Alberta
- stocking rate
- regrowth
- natural grasslands
- cattle
- prairies
- crop yield
- botanical composition
- grazing
- forage
- Library Collection RecordCombined grazing by black-tailed prairie dogs (Cynomys ludovicianus) and bison (Bison) produces and maintains a series of changes in the vegetation of prairie dog colonies. However, because their…Publication Date 1991-03-01
- grazing time
- Cynomys ludovicianus
- mixed pastures
- bison
- controlled grazing
- South Dakota
- vegetation
- grazing intensity
- nitrogen content
- prairies
- biomass
- range management
- botanical composition
- grazing
- Library Collection RecordLitter and organic matter accumulations can reduce soil water through interception of precipitation and subsequent evaporation of absorbed water. Interception varies with mass and water holding…Publication Date 1991-01-01
- particle size distribution
- soil organic matter
- mixed pastures
- water holding capacity
- Festuca
- grazing trials
- Alberta
- natural grasslands
- grazing intensity
- cattle
- prairies
- plant litter
- grazing
- Library Collection RecordIn recent years there has been an increasing emphasis on reestablishment of woody vegetation in degraded riparian zones. In this study we evaluated the influence of grazing and selected site factors…Publication Date 1991-01-01
- shoot cuttings
- salix geyeriana
- crop establishment
- Salix
- water table
- site factors
- riparian buffers
- mortality
- soil water content
- grazing intensity
- plant communities
- California
- cattle
- grazing
- Library Collection RecordAn improved bovine fecal collection harness is described. The harness is durable, adjustable, and comfortable to the animal. The harness has a wide variety of experimental applications. This material…Publication Date 1989-09-01
- feces collection
- cattle
- Library Collection RecordBurning on good to excellent condition tallgrass prairie in central Oklahoma yielded results which visually appeared much greater than would be expected from previous burning research. Therefore, a…Publication Date 1989-01-01
- liveweight gain
- fires
- fire effects
- pastures
- prescribed burning
- Oklahoma
- crude protein
- diet studies
- cattle
- in vitro digestibility
- range management
- grazing
- Library Collection RecordFour yearling steers were trained and observed in a parallel-arm maze. The purpose was to determine if cattle had the ability to associate locations with relative food availabilities. The study…Publication Date 1989-11-01
- spatial memory
- cattle
- maze
- food availability
- Library Collection RecordAtrazine [6-chloro-N-ethyl-N′-(1-methylethyl)-1,3,5-triazine-2,4-diamine] can be used to modify species composition of naturally subirrigated Sandhills meadows. The potential for ground water…Publication Date 1988-09-01
- groundwater contamination
- dispersion
- herbicide residues
- physicochemical properties
- atrazine
- herbicides
- Nebraska
- runoff
- vegetation
- kinetics
- range management
- Library Collection RecordForty-six clonal lines of a hybrid cross between Pseudoroegneria spicata [Pursh.] Scribn. and Smith × Elytrigia repens [L.] Beauv. were used to evaluate the influence of various chemical and…Publication Date 1989-01-01
- trials
- forage crops
- hybrids
- plant morphology
- pastures
- cattle
- in vitro digestibility
- phenology
- Montana
- grazing
- grasses
- feeding preferences
- chemical constituents of plants
- Library Collection RecordThis paper tests 2 hypotheses regarding the cues cattle use to avoid stepping on crested wheatgrass (Agropyron cristatum (L.) Gaertner) tussocks. The first hypothesis is that cattle are attentive to…Publication Date 1989-09-01
- Agropyron cristatum
- cattle
- Library Collection RecordStocking rate effects on intensive-early stocked Kansas Flint Hills range were studied from 1982 through 1987. Rates were 2X, 2.5X, and 3X normal season-long stocking rates for 200-225 kg steers.…Publication Date 1988-11-01
- carbohydrates
- Kansas
- yields
- stocking rate
- winter
- Andropogon gerardii
- cattle
- rangelands
- grazing
- forage
- Library Collection RecordTall larkspur (Delphinium barbeyi) is a major cause of livestock death on mountain ranges. The influence of plant phenology, grazing site, and rumen fill on tall larkspur consumption was evaluated…Publication Date 1988-11-01
- consumption
- mountains
- mountain areas
- toxicity
- highlands
- site factors
- Delphinium barbeyi
- palatability
- rumen contents
- diet studies
- cattle
- rangelands
- Utah
- poisonous plants
- Library Collection RecordChanges in community composition of 2 grassland sites exposed to a flood of unusual intensity and duration were investigated in the Flooding Pampa. These grasslands are subject almost annually to…Publication Date 1988-11-01
- flora
- plant community analysis
- floodplains
- grasslands
- flooding
- cattle
- Argentina
- botanical composition
- grazing
- forage
- Library Collection RecordThe influence of grazing by cattle on soil bulk density was studied in a typic Natraquoll of the Flooding Pampa of Argentina for a period of 33 months, by comparing a grazed situation to an enclosure…Publication Date 1988-11-01
- pampas
- physicochemical properties
- floodplains
- soil density
- environmental factors
- soil water content
- grazing intensity
- cattle
- Argentina
- grazing
- soil compaction
- bulk density
- trampling
- Library Collection RecordContinuous or pulse doses of Yb-labeled feedstuffs with subsequent fecal sampling can be used to estimate digesta passage rates and fecal output in ruminants. However, the validity of such estimates…Publication Date 1988-09-01
- gastrointestinal motility
- analytical methods
- passage rates
- prediction
- feces composition
- digesta
- cattle
- range management
- rangelands
- feed intake
- Library Collection RecordChanges in liveweight of sedentary and migratory herds of cattle in south Kordofan Province, Sudan, were determined monthly. Feces of these animals were analyzed for N and ADF during the same period…Publication Date 1989-03-01
- Sudan
- feces composition
- body weight
- fiber content
- nitrogen
- cattle
- Library Collection RecordPlant community and soil development were investigated on oil/gas drilling sites occupying both sagebrush and coniferous forest vegetation types in northwestern Wyoming. Sites ranged from 3 to 33…Publication Date 1988-09-01
- oil and gas wells
- coniferous forests
- soil analysis
- plant development
- disturbed soils
- plant community analysis
- reclamation
- ecological succession
- environmental impact reporting
- vegetation
- woody plants
- Wyoming
- rangelands
- Library Collection RecordResearch was conducted on the effects of rotational grazing (RG) compared to continuous grazing (CG) on the behavior of cattle grazing on rangelands. Different livestock densities in the RG…Publication Date 1989-07-01
- grazing time
- continuous grazing
- grazing experiments
- stocking rate
- pastures
- rotational grazing
- grazing intensity
- grazing behavior
- spatial distribution
- cattle
- Texas
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries. The Journal of Range Management archives are made…Publication Date 1988-11-01
- Kansas
- liveweight gain
- yields
- stocking rate
- winter
- Andropogon gerardii
- cattle
- rangelands
- grazing
- forage
- Library Collection RecordThe growth and miserotoxin content of Columbia milkvetch (Astragalus miser Dougl. var. serotinus (Gray) Barneby) were examined following grazing of early growth by cows at a grassland site in…Publication Date 1989-09-01
- Astragalus miser
- miserotoxin
- grazing experiments
- cattle
- Library Collection RecordThis study emphasizes short-term management decisions that are made in a yearling cattle operation in northeastern Colorado. Empirical equations describing forage and animal growth were coupled with…Publication Date 1987-07-01
- yearlings
- marketing techniques
- grazing time
- dynamic programming
- optimization
- decision making
- stocking rate
- cattle
- range management
- Colorado
- Library Collection RecordA lightweight quadrat frame for backcountry vegetation sampling is described. The frames are constructed of aluminum and disassemble for easy packing. The cost per frame is about $15. This material…Publication Date 1988-07-01
- backpacking
- frames
- equipment
- vegetation
- sampling
- rangelands
- Library Collection RecordA method for manufacturing esophageal cannulas from plastic tee couplers of suitable size for growing steers and wethers is described. This material was digitized as part of a cooperative project…Publication Date 1988-05-01
- unit costs
- production
- esophageal fistula
- performance
- methodology
- cannulas
- sheep
- cattle
- Library Collection RecordFifteen cattle (236-500 kg) and 38 sheep (36-55 kg) were fitted with 2 types of indwelling cecal cannulae. Cannulae were made of either clear silicone or plastic tubing. The surgery was conducted in…Publication Date 1987-07-01
- silicone tubes
- surgery
- plastic pipes
- cannulas
- cannulation
- sheep
- cattle
- Library Collection RecordIngestion of tall larkspur (Delphinium barbeyi L. Huth) is a major cause of cattle death on ranges where the plant occurs. The amount and timing of tall larkspur ingestion by grazing cattle was…Publication Date 1988-03-01
- alkaloids
- Delphinium barbeyi
- ingestion toxicity
- mountain grasslands
- grazing behavior
- cattle
- phenology
- rangelands
- Utah
- poisonous plants
- Library Collection RecordCattle preference for immature white locoweed (Oxytropis sericea Nutt.) seed pods reported in a previous intensive grazing study was confirmed using free-ranging cows under natural grazing conditions…Publication Date 1987-07-01
- pods
- native livestock
- habituation
- Oxytropis
- weed palatability
- leaves
- Oxytropis sericea
- poisonous weeds
- grazing behavior
- cattle
- feeding preferences
- Library Collection RecordManipulating stocking rate and duration of grazing is fundamental to range management. It has been claimed that rotation grazing systems will increase stocking capacity of range while maintaining or…Publication Date 1988-07-01
- economics
- Hesperostipa comata
- Agropyron
- liveweight gain
- stocking rate
- crop production
- rotational grazing
- Pascopyrum smithii
- Wyoming
- grazing intensity
- cattle
- range management
- grazing
- forage
- Library Collection RecordNutritional studies frequently require an estimate of animal diet digestibility, but current in vitro techniques require costly fistulated animals, and variation in rumen fluid activity often results…Publication Date 1988-07-01
- feed mixing
- cellulases
- rumen fluids
- histology
- Poaceae
- diet studies
- cattle
- in vitro digestibility
- Texas
- rangelands
- forage
- Library Collection RecordThe feasibility of using esophageal extrusa to monitor dietary tannin levels was studied using 4 shrub species (Purshia tridentata, Quercus gambelii, Cercocarpus montanus and Acer grandidentatum).…Publication Date 1987-09-01
- Acer saccharum subsp. grandidentatum
- mastication
- Quercus gambelii
- saliva
- phenolic compounds
- Purshia tridentata
- browse plants
- esophagus
- tannins
- crude protein
- cattle
- in vitro digestibility
- Utah
- Cercocarpus montanus
- Library Collection RecordLinear programming ranch models were constructed for size of ranch and species of livestock operation within 5 regions of Colorado. Options to improve existing ranch resources and regional forage…Publication Date 1987-11-01
- demand
- animal husbandry
- grazing on public land
- linear programming
- prices
- cattle
- Colorado
- forage
- Library Collection RecordThe objective of this research was to determine the effects of selected vegetation, soil, rock, and slope variables on infiltration of semiarid rangelands with slope gradients ranging from 0-70%.…Publication Date 1988-05-01
- rocks
- correlation
- semiarid soils
- rangeland soils
- soil depth
- hydrology
- vegetation
- slopes
- range management
- infiltration
- New Mexico
- soil water
- Library Collection RecordProbabilities of detecting frequency differences based on data obtained by random sampling were determined by computer simulation. Artificial, monotypic populations of known frequency were generated…Publication Date 1987-09-01
- hypothesis testing
- probability analysis
- frequency distribution
- computer simulation
- vegetation
- sampling
- botanical composition
- rangelands
- Library Collection RecordUtilization of a crested wheatgrass pasture was studied at constant stocking rate (3 cattle/ha) in pastures of 1, 2, 4, and 8 ha, with herd sizes ranging from 3-24 head. Pasture utilization on a…Publication Date 1988-01-01
- livestock numbers
- Agropyron desertorum
- pastures
- grazing behavior
- cattle
- Utah
- feeding preferences
- Library Collection RecordA survey of the levels of the neurotoxic diterpenoid alkaloid methyllycaconitine (MLA) in low larkspur (Delphinium nuttallianum Pritz.) was conducted at 4 diverse rangeland sites in southern British…Publication Date 1988-05-01
- toxic substances
- alkaloids
- neurotoxins
- toxicity
- British Columbia
- poisonous weeds
- species
- cattle
- Delphinium
- chemical constituents of plants
- Library Collection RecordProfit maximizing combinations of livestock enterprises, plant control practices, and grazing management systems for ranches in the southern High Plains were examined. A typical ranch and a multi-…Publication Date 1987-11-01
- farm income
- linear programming
- timing
- grassland improvement
- ranching
- brush control
- Quercus havardii
- cattle
- Texas
- range management
- grazing
- New Mexico
- Library Collection RecordCalculated reflectance factors and vegetation indices derived from radiometric reflectance measurements were used in regression analyses to test for a single relationship between canopy reflectance…Publication Date 1987-07-01
- reflectance
- radiometry
- remote sensing
- Agropyron desertorum
- leaf area index
- pastures
- vegetation
- rangelands
- canopy
- dry matter
- North Dakota
- Library Collection RecordConcentrations and loadings (output, number day-1 km-2) of fecal coliform (FC) indicator bacteria were measured from 1979 through 1984 in streamflow from 13 forested watersheds under the following…Publication Date 1987-07-01
- Escherichia coli
- water pollution
- coliform bacteria
- grant county, oregon
- streams
- watersheds
- feces
- Oregon
- grazing intensity
- cattle
- water quality
- grazing
- Library Collection RecordTobosa (Hilaria mutica [Buckl.] Benth.) was seasonally grazed with cattle under high-density (2.1 to 5.1 animal unit/hectare [AU/ha]) rotation and low-density (0.33 and 0.39 AU/ha) continuous…Publication Date 1988-01-01
- crop quality
- Hilaria mutica
- arid zones
- liveweight gain
- stocking rate
- rotational grazing
- crude protein
- cattle
- rangelands
- grazing
- New Mexico
- forage
- Library Collection RecordMost arid and semiarid rangeland plants form a mycorrhizal symbiosis with certain fungi through which the host plants absorb water and nutrients from the soil. Small mammals are known to disperse…Publication Date 1988-07-01
- mycorrhizal fungi
- spore dispersal
- symbiosis
- arid zones
- wildlife
- ecological succession
- vegetation
- mammals
- Oregon
- semiarid zones
- rangelands
- Library Collection RecordA 16-paddock, cell-designed, rotational grazing (RG) system was initiated in March 1981 to evaluate the effects of RG on various vegetation response variables and cow/calf production. This 20-month…Publication Date 1987-07-01
- organic matter digestibility
- crop quality
- continuous grazing
- stocking rate
- pastures
- rotational grazing
- digestibility
- crude protein
- cattle
- Texas
- plant litter
- forage
- Library Collection RecordAn inexpensive esophageal fistula sleeve and plug cannula was constructed using 38-mm diameter PVC pipe with a 4-mm wall, a Babcock float rod, and laboratory rubber stoppers. The cannulae are easily…Publication Date 1987-07-01
- plastic pipes
- fistulation
- saliva
- cannulas
- rumen contents
- esophagus
- cattle
- Library Collection RecordSoil ingestion ratios were estimated for 2 primary herbivore species utilizing a sagebrush ecosystem in southeastern Idaho to determine the relative importance of soil and vegetation pathways in…Publication Date 1988-03-01
- Idaho
- vegetation
- Lepus
- ingestion toxicity
- Antilocapra americana
- soil ingestion
- trace elements
- pollution
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