pig air Articles

  • Characterization of microbial communities in exhaust air treatment systems of large-scale pig housing facilities

    Exhaust air treatment has gained importance as an essential factor in intensive livestock areas due to the rising emissions in the environment. Wet filter walls of multi-stage exhaust air treatment systems precipitate gaseous ammonia and dust particles from exhaust air in washing water. Microbial communities in the biomass developed in the washing water of five large-scale exhaust air treatment ...


    By IWA Publishing

  • Methane and carbon dioxide emission from two pig finishing barns

    Received for publication July 22, 2007. Agricultural activities are an important source of greenhouse gases. However, comprehensive, long-term, and high-quality measurement data of these gases are lacking. This article presents a field study of CH4 and CO2 emission from two 1100-head mechanically ventilated pig (Sus scrofa) finishing barns (B1 and B2) with shallow manure flushing systems and ...

  • Healthy pigs thrive and fulfil their genetic potential states Hans Liniger - farm construction consultant - Case story

    Hans Liniger from Bernischen Lanzenhäusern in Switzerland has been a farm construction consultant for pig farmers for 35 years. Experience tells him even the smallest mistake in the planning process can have a significant negative impact on the welfare of the pigs.Profitable production –I first saw the DACS ventilation system in 2012 at the Eurotier show and immediately ...


    By DACS A/S

  • Mr. Berger from Switzerland has no smell of pigs after his daily work in the DACS house - Case story

    Urs Berger is the second generation on his 250 acres farm in the village Oberbottigen in Switzerland. In 2013 he installed a DACS ventilation system in a new 1000 finisher unit. The pigs have access to an outdoor area. Nevertheless, they often choose to stay indoor - thanks to the very constant movement of preheated air in the house. Clean, calm pigs –Pigs are ...


    By DACS A/S

  • Pilot scale facility to determine gaseous emissions from livestock slurry during storage

    Livestock production is a growing source of air pollution, locally and to the wider environment. Improved livestock manure management has the potential to reduce environmental impacts, but there is a need for methodologies to precisely quantify emissions. This paper describes and evaluates a novel storage facility for livestock slurry consisting of eight 6.5-m3 cylindrical units. The stores may ...

  • Worming the way to finished compost

    SCREENING AND GRINDING When materials from CR&R and other generators are unloaded, a preliminary screening separates out nonorganic contaminants.    Even though there are source separated programs in places like Temecula and Lake Elsinore, there is the occasional appearance of plastic and glass that needs to be sorted out. Next, Bodlak’s crews put materials through a Vermeer tub ...


    By BioCycle Magazine

  • Animal Manure or Sludge Organic Fertilizer Production

    Introduction of Animal Manure or Sludge Organic Fertilizer Production Line Organic fertilizer production line is designed for producing organic fertilizer from animal manure or sludge, without any chemical ingredients. As chickens, pigs have a poor digestion, can only consume 25% of the nutrients, so other 75% of feed nutrients with feces discharge can be produced to the dry ...

  • Lowara pumps drive livestock operations

    Animal output processed for safe disposal, reuse and renewable energy Xylem scope Xylem Lowara have installed several different types of pumps in this process cycle. Ranging from the DLV submersible pump fitted with Vortex impeller used in the pressurization of wastewater obtained from the separation of the digestate. Various high efficiency e-range pumps ...


    By LOWARA - a Xylem brand

  • Backyard Composting Developments

    Untitled Document ...


    By BioCycle Magazine

  • Redefining ag-wastes as coproducts

    Alan Doering doesn’t have the word “waste” in his vocabulary. As the scientist heading up the Agricultural Utilization Research Institute’s (AURI) coproduct utilization program, Doering sees crop residue, agricultural processing leftovers and biomass as products with value worth exploring. “Every leftover or coproduct has a value,” Doering says. “Our goal is to find the best use with the highest ...


    By BioCycle Magazine

  • Compost science journal of advocacy and foresight

    SEVERAL months ago, I started on a journey through the pages of Compost Science, beginning with the Spring, 1960 inaugural issue. I was confident that I could whip through the articles and news items in the several hundred issues of the magazine between 1960 and 2009, and be prepared to write this article for BioCycle’s 50th Anniversary Commemorative Edition. Granted, there were interruptions, ...


    By BioCycle Magazine

  • Cost-Benefit Analyses: Exploring the Economics of On-Farm Composting

    When exploring the merits of on-farm composting, the question most often raised is: What are the economics? How do the savings or revenues from on-farm composting compare to the costs? Of course, the answer is the ever present “it depends.” Expenses, resources, revenue opportunities, environmental constraints and circumstances vary greatly from one farm to the next. Most people would agree that ...


    By BioCycle Magazine

  • The Poultry Industry - Perfectly clean water without the use of toxic chemicals - Case Study

    Improved water quality increases earnings significantly, in the poultry industry Bacterial contamination in drinking water can be heavily attributed to biofilm buildup inside the water pipes. Danish Clean Water manufactures a line of ECA generators that produce the disinfectant NEUTHOX, which is a highly effective terminator of biofilm. Improving the quality of animals’ ...


    By Danish Clean Water A/S

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