Academic literature on the topic 'Dairy farm effluents'

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Journal articles on the topic "Dairy farm effluents"

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Hamoda, Mohamed F., and Saed M. Al-Awadi. "Wastewater management in a dairy farm." Water Science and Technology 32, no. 11 (1995): 1–11. http://dx.doi.org/10.2166/wst.1995.0387.

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Field sampling and laboratory experimentation were conducted on wastewater effluent generated at a dairy farm in order to characterise the wastewater, evaluate existing primary treatment facilities, and examine an appropriate wastewater treatment system to produce good quality effluents. It has been found that the farm contributes effluents containing considerable loads of organics, solids and nutrient pollutants. Existing treatment facilities which are limited to batch-operated primary settling tanks, are not capable of producing good quality effluent. Experimentation on an aerobic, suspended
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Illarze, Gabriela, Pilar Irisarri, and Amabelia Del Pino Machado. "Farm dairy effluent irrigation." Agrociencia Uruguay 28, Supplement theses (2024): e1563. http://dx.doi.org/10.31285/agro.28.1563.

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Dairy intensification produces a large amount of farm dairy effluents (FDE). The final disposal of FDE is generally to the soil as fertilizer. While this use of FDE as fertilizer has numerous benefits, such as reducing the application of synthetic fertilizers or improving soil quality, there are concerns about the environmental and health risks associated with microbial pathogens from animal waste, the spread of antibiotic resistance genes, nutrient losses and greenhouse gases (GHG) emissions. Furthermore, how this agricultural practice impacts the composition and functionality of soil microbi
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Rivas Lucero, Bertha, Mélida Gutiérrez, J. Magaña Magaña, Francisco Márquez Salcido, and Walter Márquez Fierro. "Salt Content of Dairy Farm Effluents as an Indicator of Salinization Risk to Soils." Soil Systems 2, no. 4 (2018): 61. http://dx.doi.org/10.3390/soilsystems2040061.

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Water used for irrigation is a leading source of induced salinity in semiarid areas. Within the Irrigation District 005 in northern Mexico, there are more than 100 dairy farms housing over 72,000 dairy cows, 74% of which are concentrated in approximately 30 intensive-operation farms. Dairy farm effluents (DFE) and manure are collected and stored temporarily until they are applied to the land to fertilize pasture and other crops. DFE vary in salt content, depending on specific farm operations. The risk of soil salinization by DFE was estimated by measuring electrical conductivity (EC) of both w
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Willers, H. C., X. N. Karamanlis, and D. D. Schulte. "Potential of closed water systems on dairy farms." Water Science and Technology 39, no. 5 (1999): 113–19. http://dx.doi.org/10.2166/wst.1999.0229.

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A more sustainable water management on dairy farms is necessary because of rising tap water production costs and exhaustion of groundwater resources in an increasing number of areas. Alternative water sources like rain water collected from roofs and yards and effluents from on-site wastewater treatment should be considered. The objective of this paper is to discuss options for closed water systems on dairy farms. Animal drinking and cleaning of milking equipment are major water demands on dairy farms. In some regions large volumes are needed for grassland irrigation or manure flushing. Treatme
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Bolan, N. S., S. Laurenson, J. Luo, and J. Sukias. "Integrated treatment of farm effluents in New Zealand’s dairy operations." Bioresource Technology 100, no. 22 (2009): 5490–97. http://dx.doi.org/10.1016/j.biortech.2009.03.004.

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Nurcahya, Intan, Indra Permana, Erviyana Windiastuti, and Rizki Nuralam. "Effects of Land Application of Farm Dairy Effluent on The Growth of Sweet Corn." Jurnal Biologi Tropis 23, no. 2 (2023): 159–64. http://dx.doi.org/10.29303/jbt.v23i2.6134.

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This study investigates the impact of land application of farm dairy effluent (FDE) on the growth and yield of sweet corn (Zea mays var. saccharata). The agricultural sector faces increasing challenges in managing effluents sustainably, and the utilization of FDE as a potential nutrient source for crop production has gained prominence. Field experiments were conducted to assess the effects of FDE application on sweet corn with different rate of irrigation. Randomized completely block design was used an experimental design with different irrigation rate i.e. A = 0% FC effluent, B = 25% FC efflu
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Forbes, E. G. A., R. H. Foy, M. V. Mulholland, and J. L. Brettell. "Performance of a constructed wetland for treating farm-yard dirty water." Water Science and Technology 64, no. 1 (2011): 22–28. http://dx.doi.org/10.2166/wst.2011.584.

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Constructed wetlands (CWs) have been used to treat agricultural effluents with varying success especially with respect to their operational efficiency in winter and ability to retain phosphorus. Dirty water (DW) from dairy farms is a mixture of manure contaminated runoff and milk parlour washings with a highly polluting biochemical oxygen demand (BOD) ≤3,000 mg/L. The initial performance a CW of a 1.2 ha horizontal flow CW consisting of five ponds in series designed to treat DW from a dairy unit was assessed over four years. Ponds were earth-lined and shallow (0.3 m) with a water residence tim
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Hull-Cantillo, Marianne, Mark Lay, Graeme Glasgow, and Peter Kovalsky. "The Hard Reality of Biogas Production through the Anaerobic Digestion of Algae Grown in Dairy Farm Effluents." Fermentation 10, no. 3 (2024): 137. http://dx.doi.org/10.3390/fermentation10030137.

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Much emphasis has been given to algal biomass growth in dairy farm wastewater. Most of the systems examined require productive land to be converted and/or freshwater use to dilute high concentrations of nutrients found in dairy effluent. A rotating algal biofilm (RABR) provides the capacity to grow algae without sacrificing productive land or freshwater. In theory, this system would overcome some of the economic and environmental challenges that other systems have. A combination of theoretical information, nutrient uptake formulas, and economic formulas were used to calculate the potential of
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Illarze, Gabriela, Amabelia del Pino, Andrea Rodríguez-Blanco, and Pilar Irisarri. "Application of Dairy Effluents to Pastures Affects Soil Nitrogen Dynamics and Microbial Activity." Agronomy 13, no. 2 (2023): 470. http://dx.doi.org/10.3390/agronomy13020470.

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The use of farm dairy effluents (FDE) has become a promising alternative to increase pasture yield while reducing the environmental impact of waste accumulation into streams, but other environmental implications should be considered. The present study aimed to assess the effect of application of either raw FDE or lagoon-stored FDE compared to dissolved urea or a non-amended control on N2O emission, soil N dynamics, functional microbial activity, and the yield and N-use efficiency of a fescue pasture. The normalized N application rate of 200 kg N ha−1 was divided into four seasonal events in a
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Gadd, Jennifer B., Louis A. Tremblay, and Grant L. Northcott. "Steroid estrogens, conjugated estrogens and estrogenic activity in farm dairy shed effluents." Environmental Pollution 158, no. 3 (2010): 730–36. http://dx.doi.org/10.1016/j.envpol.2009.10.015.

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Dissertations / Theses on the topic "Dairy farm effluents"

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Gadd, Jennifer Bronwyn. "Steroid Estrogens and Estrogenic Activity in Farm Dairy Shed Effluents." Thesis, University of Canterbury. Chemistry, 2009. http://hdl.handle.net/10092/2192.

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Estrogenic contamination of waterways is of world-wide concern due to the adverse effects observed in aquatic biota. Recently, wastes from agricultural activities have been identified as likely sources of steroid estrogens released into the environment. Wastes from dairying activities are of particular concern in New Zealand. This project included development of analytical methods to measure free and conjugated estrogens, measurement of estrogens from the source to receiving environments and an investigation of effluent treatment technologies. The analytical method developed in this study was
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Justinia, Hanitravelo Giffona Loysell. "Impacts des technologies numériques sur les exploitations agricoles en France." Thesis, Rennes, Agrocampus Ouest, 2020. https://tel.archives-ouvertes.fr/tel-03711385.

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Dans ce travail de thèse, il a constaté que l’étude des technologies numériques dans l’agriculture est récente dans le domaine de l’économie et par un scoping review, il a été identifié certains gaps dont le manque des études empiriques. Ainsi, quatre technologies ont été étudiées : connexion internet, robot de traite, outils d’aide à la décision (OAD) et outils de surveillances électroniques. Dans le secteur du lait, elles augmentent la production mais les effets sont plus importants pour les petites et moyennes exploitations. Plus important encore, les technologies connexion internet et OAD
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Ali, Inamullah. "Surface irrigation adapted to the land spreading of dairy farm effluent." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=83961.

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An important number of Canadian dairy farms manage their manure as solids and in doing so, must handle large volumes of manure seepages and milk house wastewater (dairy farm effluent-DFE). The present project adapted surface irrigation as a more economical and sustainable method of disposing of this large volume of DFE on cropped land near their storage facility. The experimental surface irrigation system consisted of a gated pipe installed perpendicular to the slope of the field allowing the discharged DFE to run down the slope.<br>The adaptation of the system and the measurement of its
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Senge, Laura. "Water Auditing: The first step to effective effluent management on dairy farms in South West Western Australia: An approach of Zero Waste Discharge on a dairy farm in Boyanup, Western Australia." Thesis, Senge, Laura (2017) Water Auditing: The first step to effective effluent management on dairy farms in South West Western Australia: An approach of Zero Waste Discharge on a dairy farm in Boyanup, Western Australia. Honours thesis, Murdoch University, 2017. https://researchrepository.murdoch.edu.au/id/eprint/38690/.

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This project investigates the possibility of achieving zero waste discharge on a dairy farm in south west Western Australia. The current best practices for dairy farm effluent treatment were assessed in a literature review and a water audit and a nutrient balance were conducted on a specific farm in Boyanup, W. A. with 500 cattle. The finding was 52 L/cow per milking of water were used, which is higher than the industry benchmark. Nutrients were leaking into groundwater table at six meters depth at low concentrations. Four different options were assessed in a techno-economic options as
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Blackett, Paula Elizabeth. "Biophysical and Institutional Challenges to Management of Dairy Shed Effluent and Stream Management Practices on New Zealand Dairy Farms." Thesis, University of Auckland, 2004. http://hdl.handle.net/2292/634.

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New Zealand dairy farmers have been accused in a national 'dirty dairying' campaign of 'selfishly destroying the community's natural water resources' (Fish & Game 2001, pg l) through a combination of point and diffuse source pollution and habitat modification. The dirty dairying debate in response to Fish & Game's campaign is about the conflicts that arise through differing values of rural water resources in New Zealand. That farming practices affect freshwater ecosystems is broadly recognised but poorly understood. The problems encountered in New Zealand's dairy sector, however, are exacerbat
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Broughton, Alistair David. "Hydrolysis and acidogenesis of farm dairy effluent for biogas production at ambient temperatures : a thesis presented in partial fulfilment of the requirements for the degree of Master of Engineering in Environmental Engineering at Massey University, Palmerston North, New Zealand." Massey University, 2009. http://hdl.handle.net/10179/1319.

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Anaerobic ponds are an established technology for treating farm dairy effluent in New Zealand. These ponds produce a significant amount of methane but because of their large size, they are rarely covered for methane capture. The removal of solids prior to entering the ponds would allow for shorter retention times resulting in smaller ponds that could be covered. However, removal of solids entails loss of organic material and thus methane production. It was proposed that improved hydrolysis of solid content prior to solids separation could increase the organic content of the liquid fraction. N
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Barkle, Gregory Francis. "The fate of carbon and nitrogen from an organic effluent irrigated onto soil : process studies, model development and testing." Lincoln University, 2001. http://hdl.handle.net/10182/1959.

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The fate of the carbon and nitrogen in dairy farm effluent (DFE) applied onto soil was investigated through laboratory experiments and field lysimeter studies. They resulted in the development and testing of a complex carbon (C) and nitrogen (N) simulation model (CaNS-Eff) of the soil-plant-microbial system. To minimise the risk of contamination of surface waters, regulatory authorities in New Zealand promote irrigation onto land as the preferred treatment method for DFE. The allowable annual loading rates for DFE, as defined in statutory regional plans are based on annual N balance calculati
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Pattnaik, Rosalin. "Soil processes to remediate dairy effluent using MSL (Multi-Soil-Layer) systems." Thesis, 2006. http://hdl.handle.net/10125/20913.

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Houlbrooke, David John. "A study of the quality of artificial drainage under intensive dairy farming and the improved management of farm dairy effluent using 'deferred irrigation' : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Soil Science, Institute of Natural Resources, Massey University, Palmerston North, New Zealand." 2005. http://hdl.handle.net/10179/1665.

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The last decade has been a period of great expansion and land use intensification for the New Zealand dairy farming industry with a 44% increase in national dairy cow numbers. Intensive dairy farming is now considered to be a major contributor to the deterioration in the quality of surface and ground water resources in some regions of New Zealand. Previous research has demonstrated intensive dairy farming is responsible for accelerated contamination of wateways by nutrients, suspended solids, pathogenic organisms and faecal material. A number of common dairy farming practices increase the risk
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Books on the topic "Dairy farm effluents"

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Moran, John, and Scott McDonald. Feedpads for Grazing Dairy Cows. CSIRO Publishing, 2010. http://dx.doi.org/10.1071/9780643100947.

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This book is the first detailed and comprehensive guide to the use of feedpads in the dairy industry, from planning and construction to day-to-day management, written especially for farmers. With ongoing droughts and access to water driving up the cost of conserved forages and feeding concentrates, feedpads offer flexible and efficient systems to maximise returns on feeding expensive supplements to grazing dairy cows, and form part of the risk management strategy for dairy farms.&#x0D; Feedpads for Grazing Dairy Cows covers all the aspects of animal husbandry involved in running a successful s
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Book chapters on the topic "Dairy farm effluents"

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Minakshi, Deepa, Pradeep Kumar Sharma, Anju Rani, Piyush Malaviya, and Narveer. "Treatment of Dairy Farm Effluent Using Recirculating Constructed Wetland Units." In Advances in Health and Environment Safety. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-7122-5_7.

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Galil, Bella S. "A Sea, a Canal, a Disaster: The Suez Canal and the Transformation of the Mediterranean Biota." In Palgrave Studies in Maritime Politics and Security. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-15670-0_10.

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AbstractThe introduction of non-native species is among the main direct drivers of biodiversity change. Off the Israeli coast 445 non-native species were recorded thus far, more than anywhere in the Mediterranean Sea. The number of recorded introductions has been rising inexorably, tripling since the 1970s. Nearly all have been introduced through the ever-enlarged Suez Canal. Worldwide there is no other vector of marine bioinvasions that delivers as high a propagule supply for so long to a certain locale. Once established, the non-native species are unlikely to be contained or controlled and t
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Conference papers on the topic "Dairy farm effluents"

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Daufin, G., J. P. Escudier, H. Carrère, S. Bérot, L. Fillaudeau, and M. Decloux. "Application of Membrane Processes in Food and Dairy Industry." In CORROSION 2000. NACE International, 2000. https://doi.org/10.5006/c2000-00313.

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Abstract Membrane processes have become major tools in food processing for more than 25 years. The food industry represents a significant part of the turnover of the membrane manufacturing industry worldwide. The main applications of membrane operations are in the dairy industry (whey protein concentration, milk protein standardization, etc.) far before beverages (wine, beer, fruit juices, etc.) and egg products. Among the very numerous applications on an industrial scale a few striking particular separations which represent the last advances in food processing are reported. Clarification of f
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Sharma, Ratnesh, Tom Christian, Martin Arlitt, Cullen Bash, and Chandrakant Patel. "Design of Farm Waste-Driven Supply Side Infrastructure for Data Centers." In ASME 2010 4th International Conference on Energy Sustainability. ASMEDC, 2010. http://dx.doi.org/10.1115/es2010-90219.

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In this paper, we design a supply-side infrastructure for data centers that runs primarily on energy from digested farm waste. Although the information technology and livestock industries may seem completely disjoint, they have complementary characteristics that we exploit for mutual benefit. In particular, the farm waste fuels a combined heat and power system. The data center consumes the power, and its waste heat feeds back into the combined system. We propose a resource management system to manage the resource flows and effluents, and evaluate the direct and indirect economic benefits. As a
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Radu, Florina, Sofia Popescu, Antoanela Cozma, Alexandru Rinovetz, and Bogdan Radoi. "EARLY REMEDIATION OF WASTEWATERS FROM ROMANIAN FOOD INDUSTRY: A CASE STUDY OF IMPROVING THE QUALITY OF DAIRY INDUSTRY WASTEWATER." In 22nd International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022v/3.2/s12.07.

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The purpose of this study was to demonstrate the role played by different wastewater treatment technologies in the dairy industry in the context of the challenges of sustainable development: water scarcity and conservation of water resources, the constant growth of the population and the costs of wastewater treatment in centralized systems, increasing constraints and stricter environmental protection regulations. In this sense, the efficiency of wastewater treatment plants belonging to a number of 8 factories was determined. The studied factories were divided into three groups according to the
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