Feedlots Articles

  • Success on the Farm Starts in the Cloud

    AgCompass has been a trusted technology partner to farms of all sizes for nearly 15 years. Sharing a background in agriculture and with Midwestern values, our experienced IT Staff provides one-on-one technology support. We help you keep up with technology by backing up your software on a daily basis and by installing software updates for you. The only requirements for the customer are an internet ...


    By AgCompass LLC

  • New study finds recycled phosphorus could fertilize 100 percent of U.S. corn

    The world has a problem. A phosphorus problem. Needed to fertilize crops, the bulk of phosphorus comes from nonrenewable phosphate rock. While China mines the most — producing almost half the world’s phosphorus — Morocco alone controls three-fourths of global phosphate rock reserves. Year by year those global reserves ...


    By Ensia

  • Fishing for a Solution

    As writer Rowan Jacobsen explores in our recent feature “Has Meat Met Its Match?,” animal agriculture’s hefty environmental footprint is creating interest in exploring ways to meet humans’ growing appetite for animal protein that extend beyond beef, chicken and pork. In some places, that ...


    By Ensia

  • Have Your Steak and Eat It, Too

    In our recent feature, “Has Meat Met Its Match?,” writer Rowan Jacobsen explores ways people can (now and possibly in the future) reduce the environmental and food security impacts of their diets, including entomophagy (bug-eating), synthetic meat and vegetarian substitutes. If none of those fits your needs, there are plenty of other ways ...


    By Ensia

  • Moving Up the Food Chain

    For most of the time that human beings have walked the earth, we lived as hunter-gatherers. The share of the human diet that came from hunting versus gathering varied with geographic location, hunting skills, and the season of the year. During the northern hemisphere winter, for instance, when there was little food to gather, people there depended heavily on hunting for survival. Our long history ...


    By Earth Policy Institute

  • Composting Feedlot Manure

    Situated in the Texas panhandle is an area known as the Rolling Plains ecological region, a topography consisting primarily of open-range pasture and cropland. Approximately one-third of the Rolling Plains region is dedicated to production agriculture, where huge fields of wheat, cotton and sorghum extend into the distance for as far as the eye can see. The remaining area is native grassland, ...


    By BioCycle Magazine

  • Environmental and Economic Perspectives of Milk Production in Feedlot and Grazing Systems

    Abstract Dairy production systems involve large inputs and large outputs. In environmental and economic terms, this means dairying is potentially a large consumer of natural resources and a generator of large amounts of pollutants and waste as green house gases (GHG) and manure. To ensure a sustainable milk production system; it becomes important to understand the environmental and ...


    By IFCN dairy research center

  • Nutrient accumulation below cattle feedlot pens in Kansas

    Received for publication April 30, 2008. Waste excreted on cattle (Bos taurus) feedlot pens is a source of N and other nutrients that could potentially leach into soil and negatively impact local groundwater quality. Analyses of soil chemical and physical properties beneath active open air feedlot pens were conducted at four Kansas locations to determine nutrient accumulation. Results were ...

  • A biosecure composting system for disposal of cattle carcasses and manure following infectious disease outbreak

    Received for publication April 11, 2008. During outbreaks of infectious animal diseases, composting may be an effective method of disposing of mortalities and potentially contaminated manure. Duplicate biosecure structures containing 16 cattle (Bos taurus) mortalities (343 kg average weight) were constructed with carcasses placed on a 40-cm straw layer and overlaid with 160 cm of feedlot manure. ...

  • US feedlots and slaughterhouses: bounding industrial ecology with the extreme case

    The potential contribution of Industrial Ecology (IE) to sustainable development, though immense, remains elusive. This is due to the field boundaries whose demarcation lacks specificity. To address the challenge of boundary definition, an agro-industrial complex, the US Cattle Feedlot-Slaughterhouse System (CFSS), has been chosen to illustrate and provoke a discussion about where those ...


    By Inderscience Publishers

  • Compost Science & Utilization: Current research

    Materials and Methods Composting To Eradicate Fusarium Graminearum From Infested Livestock FeedInvestigators: Francis J. Larney, Agriculture and Agri-Food Canada, Research Centre, Lethbridge, Alberta, Canada; T. Kelly Turkington, Agriculture and Agri-Food Canada, Research Centre, Lacombe, Alberta, Canada Objectives: Fusarium head blight, caused by Fusarium graminearum, could potentially become a ...


    By BioCycle Magazine

  • Effects of dried distillers` grains with solubles (wheat-based) in feedlot cattle diets on feces and manure composition

    The use of dried distillers' grains with solubles (DDGS) in feedlot cattle (Bos taurus) diets is increasing as the bio-ethanol industry expands. This study investigated how wheat (Triticum aestivum L.) DDGS-based diets impact feedlot cattle nutrient and volatile fatty acid (VFA) excretion. Feedlot heifers were fed DDGS at 0 (Control) 20, 40, 60% or 60% + Ca (1% limestone) of dietary dry matter. ...

  • Dry matter mass balance estimates for composted feedlot manure

    Accurate dry matter mass balance (DMMB) estimates are important if knowledge of nutrient component changes on a mass basis is required for manure handling practices. We compared four methods of estimating DMMB during composting of solid feedlot manure. A manure stockpiling treatment was included for comparison. A method which used carbon (C) concentration to calculate organic matter, and hence ...


    By BioCycle Magazine

  • Ammonia and hydrogen sulphide flux and dry deposition velocity estimates using vertical gradient method at a commercial beef cattle feedlot

    Ammonia and hydrogen sulphide flux and dry deposition velocity were estimated using micrometeorological vertical gradient flux method at a commercial cattle feedyard of approximately 50,000 head of beef cattle and average 14.4 m²/head (150 ft²/head) stocking density. Ammonia-N and H2S-S loss had general diurnal patterns with the highest fluxes in daytime and lowest fluxes in nighttime that ...


    By Inderscience Publishers

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