pig slurry Articles

  • Potential phosphorus, potassium, and magnesium surpluses in an irrigated maize monoculture fertilized with pig slurry

    Pig slurry (PS) is extensively applied to irrigated maize in nitrate-vulnerable zones of the Ebro Valley, Northeast Spain. Farmers base PS rates on the European Union (EU) Nitrates Directive (up to 170 kg N ha–1 derived from organic sources) or on maize-N requirements (about 300 kg N ha–1). The aim of the study was to assess whether these PS rates would lead to P, K, and Mg surpluses in excess of ...

  • Transport and fate of estrogenic hormones in slurry-treated soil monoliths

    Received for publication October 29, 2007. The naturally occurring hormones, such as 17-β-estradiol, 17-{alpha}-estradiol, and estrone, present in livestock manure may have detrimental environmental effects if released into surface waters. In areas where manure application is intensive, estrogens have been found in surface waters in concentrations known to affect the endocrine system of fish ...

  • 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 ...

  • Occurrence of tylosin in swine wastewater in Mexico

    This study determined a tylosin concentration in swine wastewater located in a Mexican pig farm, during different stages of the pigs' growth. The detection of antibiotics in swine wastewater is complex due to its high concentration of solids. Analytical method was developed for detection of tylosin in swine wastewater and swine slurry. Average recoveries of tylosin in the liquid and solid ...


    By IWA Publishing

  • France: DryExactpro dry feeding system for 1,600 weaners - Case Study

    Big Dutchman pig equipment and feeding systems are used on pig farms in more than 100 countries on all five continents. Naturally, this includes the "End of the Earth", and for good reason: French department no. 29, Finistère, derives its name from the Latin "Finis Terrae" and is the westernmost corner of Brittany, i.e. right where France drops into the Atlantic Ocean. It has much ...


    By Big Dutchman

  • A small plant with great success - case study

    The farm-based biogas plant operated by the Wienken family in Augustenfeld (near Löningen) is the first plant of its size built by bwe. Originally, the farm's operator had planned to install a straw heating element. However, since the input materials are available on the farm itself in their entirety, the decision to implement a biogas plant designed by bwe was obvious. One decisive aspect ...

  • 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

  • New animal feed plant relies on proven sera dosing technology

    Top animal feed is a result of the exact application of composition during the production process as well as the use of stateof-the-art technology. The correct planning of the systems engineering is as important as the experience of the staff in the production department. When the Rothkötter animal feed plant was built in Haren-Hüntel, the company relied on sera – a name widely ...


    By sera GmbH

  • The Biophosphate Plant

    Biophosphate pellets from pig manure for use in low-phosphate agricultural areas The Ecoson Biophosphate plant produces green gas from animal manure in a sustainable way, and a natural, phosphate-rich organic fertilizer pellet for use in low-phosphate agricultural areas. The plant has a processing ...


    By Nutrient Platform

  • 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

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