Manure Solids Articles

  • Manure drying tunnel doing a good job - Case Study

    Generating power from renewable energies is becoming increasingly important in Germany as well as on the international level. Thus, it is not surprising that the number of biogas plants is steadily increasing as are wind power plants and solar plants. On the agricultural sector, biogas plants are an additional source of income on many farms besides crop production and livestock husbandry. When ...


    By Big Dutchman

  • Kipster – probably the world’s most animal-friendly and environmentally sound layer house - Case Study

    A poultry house for 27,000 layers as the world has never seen one before was recently erected near Venlo in the Netherlands. The building barely looks like a poultry house and is an eye-catcher in both rural environments and urban regions.  The focus of the project is entirely on the laying hen. With this focus in mind, four entrepreneurs and the owners of the barn, Styn ...


    By Big Dutchman

  • Cool Eggs - from Markovice in the Czech Republic - Case Study

    About 100 km east of Prague, in Markovice, Unikom a.s. operates a layer farm. Unikom is committed to producing high-quality eggs labelled as “Cool Eggs” (Pohodová vejce), based on the long tradition and modern production on the Markovice farm. Annual production reaches up to 17 million eggs, which are distributed through Unikom’s own ...


    By Big Dutchman

  • China: 30 layer and 12 rearing houses equipped by Big Dutchman - Case Study

    In 1938, the Big Dutchman founders invented the world’s first automatic chain feeder for poultry in the USA. Today, the headquarters of the company are located in Vechta, Germany. In regard to housing and feeding systems, the poultry equipment supplier is considered to be the international market leader: On five continents and in more than 100 countries around the world, Big Dutchman is a ...


    By Big Dutchman

  • Composting Roundup - March 2018

    Sacramento, California: Alternative Manure Management Project Grants The California Department of Food and Agriculture (CDFA) awarded $9.64 million in grant funding to 17 alternative manure management projects across the state. These projects, part of the Alternative Manure Management Program, or AMMP, will reduce greenhouse gas (GHG) emissions on California dairy farms and livestock ...


    By BioCycle Magazine

  • Seasonality & optimal calf care

    Changing seasons, and challenging seasonal extremes (cold, heat and humidity), add extra challenges for a young calf and the caregivers management must be dynamic in order to provide optimal care. A reminder of calf needs should be outlined, especially with the primary calf worker(s). Topics of focus should involve: Optimal nutrition, the importance of access to clean water, clean and dry resting ...


    By Grober Nutrition USA

  • Rainfall-induced release of microbes from manure: model development, parameter estimation, and uncertainty evaluation on small plots

    A series of simulated rainfall-runoff experiments with applications of different manure types (cattle solid pats, poultry dry litter, swine slurry) was conducted across four seasons on a field containing 36 plots (0.75 × 2 m each), resulting in 144 rainfall-runoff events. Simulating time-varying release of Escherichia coli, enterococci, and fecal coliforms from manures applied at typical ...


    By IWA Publishing

  • Co-digestion of bovine slaughterhouse wastes, cow manure, various crops and municipal solid waste at thermophilic conditions: a comparison with specific case running at mesophilic conditions

    A co-digestion process was evaluated when mixing different ratios of agro-industrial residues, i.e. bovine slaughterhouse waste (SB); cow manure (M); various crop residues (VC); and municipal solid waste (MSW) by anaerobic batch digestion under thermophilic conditions (55 °C). A selected study case at mesophilic condition (37 °C) was also investigated. The performance of the ...


    By IWA Publishing

  • Farm digester evolution in Vermont

    In the fall of 2012, Brian Jones of Joneslan Farm in Hyde Park, Vermont spread the first load of manure that had gone through the farm’s new anaerobic digester. “It didn’t smell at all,” recalls Jones. “And we’ve been told that the nitrogen in the digested manure is more available to the plants we grow.” When the Joneslan Farm digester went on line in ...


    By BioCycle Magazine

  • 8 million kWh of green electricity generated for the Italian grid

    Location Volta Mantovana/Italy Capacity 999 kWel In operation since 07/2009 Input materials Cattle liquid manure, solid manure, maize and whole-plant silage Features Thanks to innovative technologies like EnviTec Feedcontrol, the Italian plant has a capacity of approximately 99 percent. ...


    By EnviTec Biogas AG

  • Anaerobic monodigestion of poultry manure: determination of operational parameters for CSTR

    In this work the anaerobic monodigestion for the treatment of turkey manure was evaluated, without its codigestion with another substrate. The effect of the organic loading rate (OLR) and the substrate concentration (high total solids (TS) concentration) or product concentration (high volatile fatty acids (VFA) and/or ammonia (NH3-N) concentrations) was studied. The results show that for a ...


    By IWA Publishing

  • Composting dairy solids with the ac composter

    In October, ECS began conducting trials at California State University Fresno to explore using the new patent pending AC Composter system to manage dairy manure solids and comply with air-quality standards. A two-zone portable pilot system was delivered by ECS and installed at the CSUF's research dairy. This research is being conducted with funds from a USDA Small Business Innovative Research ...

  • Dairy farm New Mexico, USA

    Type of Wastewater System: Facility to Lagoon For Solid and Wastewater Collection Problem: This facility has an expensive liner in its lagoon, and the use of equipment to remove the solids from the lagoon was not an option. It also dewaters the lagoon via irrigation onto row crops every 30 days. The buildup of solids in the lagoon had reached a point of capacity such that they ...


    By Roebic Laboratories, Inc.

  • Dairy farm Oklahoma, USA

    Type of Wastewater System: Facility to Sediment Basin for Solids collection, Sediment Basin to Lagoon for Water collection Expectations: This facility was in need of solid removal from sediment basin as it was to a point of water flow restriction and solid capacity in the sediment basin. The expectation was to liquefy the solids in the sediment basins using microbial ...


    By Roebic Laboratories, Inc.

  • Biocontained mortality compost using liquid manure

    During disease outbreaks, composting has been used to safely dispose of carcasses and infectious solid manure. However, optimized methods have not been established to use liquid manure (> 80% water content, WC) from dairies as the substrate for mortality composting. In April of 2007, a 3x2 factorial study was conducted in wooden compost bins (240 x 240 x 140 cm) lined with 0.5 mm plastic to a ...


    By BioCycle Magazine

  • Cover crop and liquid manure effects on soil quality indicators in a corn silage system

    Due to a lack of surface residue and organic matter inputs, continuous corn (Zea mays L.) silage production is one of the most demanding cropping systems imposed on our soil resources. In this study, our objective was to determine if using cover/companion crops and/or applying low-solids liquid dairy manure could improve physical, chemical, and biological soil properties and overall soil quality. ...

  • Effects of green manure and compost of pea plant on wheat

    Cereal based cropping systems have been established for food security in many countries where farmers use plenty of chemical fertilizers, but adoption of leguminous crop in the system is not popular. Excessive use of fertilizers is responsible for health and environmental hazards. Adoption of legume in cereal based cropping systems and improvement of organic fertilizer are needed to reduce ...


    By BioCycle Magazine

  • Evaluation of Phosphorus source coefficients as predictors of runoff Phosphorus concentrations

    Received for publication December 27, 2007. Many states have adopted a P site index (PSI) as a risk assessment tool to determine when P-based nutrient management is required for a given agricultural field. Some PSIs use a weighting factor, the phosphorus source coefficient (PSC), to account for differences in P solubility between organic P sources. Information relating to appropriate values of ...

  • Linking Wisconsin dairy and grain farms via manure transfer for corn production

    One relatively under-used manure management strategy employed by dairy farmers is to transport and apply manure onto the fields of nearby grain farmers. While this system offers advantages to both parties, little of the existing research on manure management has been conducted on grain farms. As part of an effort to link grain and livestock farms in southern Wisconsin, 20 on-farm trials were ...

  • Enhancing nutrient cycling by coupling cover crops with manure injection

    Coupling winter small grain cover crops (CC) with liquid manure injection may increase manure nutrient capture. The objectives of this research were to quantify manure injection effects using target swine (Sus scrofa) manure N rates of 112, 224, and 336 kg N ha–1 on CC plant density, fall and spring shoot biomass, N, P, and K uptake and subsequent corn (Zea mays L.) yield. A winter rye (Secale ...

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