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https://www.readbyqxmd.com/read/29656257/nutrient-derived-environmental-impacts-in-chinese-agriculture-during-1978-2015
#1
Huijun Wu, Shun Wang, Liangmin Gao, Ling Zhang, Zengwei Yuan, Tingyu Fan, Kaiping Wei, Li Huang
Nitrogen (N) and phosphorus (P) play a critical role in agricultural production and cause many environmental disturbances. By combing life cycle assessment (LCA) method with the mass balance principle of substance flow analysis (SFA), this study establishes a nutrient-derived environmental impact assessment (NEIA) model to analyze the environmental impacts caused by nutrient-containing substances of agricultural production in China during 1978-2015. The agricultural production system is composed of crop farming and livestock breeding, and the environmental impacts include energy consumption, global warming, acidification, and eutrophication...
April 12, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29615251/effects-of-different-types-of-flooring-design-on-the-development-of-antimicrobial-resistance-in-commensal-escherichia-coli-in-fattening-turkeys
#2
Bussarakam Chuppava, Birgit Keller, Jessica Meißner, Manfred Kietzmann, Christian Visscher
The objective of this study was to evaluate the effects of different types of flooring designs on antimicrobial resistance in commensal Escherichia coli from turkeys treated with enrofloxacin. Two trials were performed with same feed, housing conditions and fattening duration, but with different flooring designs. Furthermore, the first trial was performed in an unchanged environment and the second trial in a changed environment. The flooring designs of the pens were assigned to four groups; G1 - entire floor pen covered with litter, G2 - floor pen with heating, G3 - partially slatted flooring including an area that was littered, G4 - fully slatted flooring with a sand bath...
April 2018: Veterinary Microbiology
https://www.readbyqxmd.com/read/29602120/phosphorus-removal-from-eutrophic-water-using-modified-biochar
#3
Sarah Vieira Novais, Mariana Delgado Olivieira Zenero, Matheus Sampaio Carneiro Barreto, Célia Regina Montes, Carlos Eduardo Pelegrino Cerri
Increasing problems related to water eutrophication, commonly caused by the high concentration of phosphorus (P), are stimulating studies aimed at an environmentally safe solution. Moreover, some research has focused on the reuse of P due to concerns about the end of its natural reserves. Biochar appears to be a solution to both problems and may act as a recovery of eutrophic/residual water with the subsequent reuse of P in agriculture, the purpose of which is to test such an assertion. Samples of biochar from poultry manure (BPM) and sugarcane straw (BCS) had their maximum adsorption capacities of Al obtained by Langmuir isotherm...
March 27, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29569050/anaerobic-digestion-performance-of-sweet-potato-vine-and-animal-manure-under-wet-semi-dry-and-dry-conditions
#4
Enlan Zhang, Jiajia Li, Keqiang Zhang, Feng Wang, Houhua Yang, Suli Zhi, Guangqing Liu
Sweet potato vine (SPV) is an abundant agricultural waste, which is easy to obtain at low cost and has the potential to produce clean energy via anaerobic digestion (AD). The main objectives of this study were to reveal methane production and process stability of SPV and the mixtures with animal manure under various total solid conditions, to verify synergetic effect in co-digestion of SPV and manure in AD systems, and to determine the kinetics characteristics during the full AD process. The results showed that SPV was desirable feedstock for AD with 200...
March 22, 2018: AMB Express
https://www.readbyqxmd.com/read/29518594/poultry-manure-and-sugarcane-straw-biochars-modified-with-mgcl-2-for-phosphorus-adsorption
#5
Sarah Vieira Novais, Mariana Delgado Oliveira Zenero, Jairo Tronto, Rafaela Feola Conz, Carlos Eduardo Pellegrino Cerri
Increases in agricultural productivity associated to the crescent use of finite reserves of phosphorus improved the demand for ways to recycle and reuse this nutrient. Biochars, after doping processes, seem to be an alternative to mitigate the large use of P reserves. Sugarcane straw and poultry manure were submerged in an MgCl2 solution in a 1:10 solid/liquid ratio and subsequently pyrolyzed at 350 and 650 °C producing biochar. Increasing concentrations of P were agitated with biochars in order to obtain the maximum adsorption capacity of P with the aid of Langmuir and Freudelich isotherm...
March 5, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29479455/nutrient-production-from-korean-poultry-and-loading-estimations-for-cropland
#6
Seunggun Won, Naveed Ahmed, Byung-Gu You, Soomin Shim, Seung-Su Kim, Changsix Ra
Background: Poultry breeding has increased by 306% in Korea, inevitably increasing the production of manure which may contribute to environmental pollution. The nutrients (NP) in the manure are essential for crop cultivation and soil fertility when applied as compost. Excess nutrients from manure can be accumulated on the land and can lead to eutrophication. Therefore, a nutrient load on the finite land should be calculated. Methods: This study calculates the nutrient production from Korean poultry by investigating 11 broiler and 16 laying hen farms...
2018: Journal of Animal Science and Technology
https://www.readbyqxmd.com/read/29452386/amino-acid-digestibility-of-larval-meal-musca-domestica-for-broiler-chickens
#7
H N Hall, H V Masey O'Neill, D Scholey, E Burton, M Dickinson, E C Fitches
Work was undertaken to investigate the potential use of housefly (Musca domestica) larvae reared on broiler manure as a source of nutrition for poultry production in the United Kingdom. Nutritional analysis showed that larvae have a high (>45% dry wt.) protein content and a favorable amino acid profile that is rich in key amino acids, such as lysine and methionine. A broiler digestibility trial was carried out to determine the apparent ileal digestibility coefficients (AIDC) and true ileal digestibility coefficients (TIDC) of amino acids (AA) from insect larval meal (ILM) from M...
February 14, 2018: Poultry Science
https://www.readbyqxmd.com/read/29426218/the-effect-of-biochar-feedstock-pyrolysis-temperature-and-application-rate-on-the-reduction-of-ammonia-volatilisation-from-biochar-amended-soil
#8
Sanchita Mandal, Erica Donner, Sotirios Vasileiadis, William Skinner, Euan Smith, Enzo Lombi
Ammonia (NH3 ) volatilisation is one of the most important causes of nitrogen (N) loss in soil-plant systems worldwide. Carbon-based amendments such as biochar have been shown to mitigate NH3 volatilisation in agricultural soils to various degrees. In this study, we investigated the influence of biochar feedstocks (poultry manure, green waste compost, and wheat straw), pyrolysis temperatures (250, 350, 450, 500 and 700°C) and application rates (1 and 2%), on NH3 volatilisation from a calcareous soil. The 15 biochars were chemically characterized, and a laboratory incubation study was conducted to assess NH3 volatilisation from the soil over a period of four weeks...
February 2, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29405530/survival-of-escherichia-coli-o157-h7-and-salmonella-enterica-in-animal-wastes-based-composts-as-influenced-by-compost-type-storage-condition-and-inoculum-level
#9
Zhao Chen, Jinkyung Kim, Xiuping Jiang
AIM: Survival of Escherichia coli O157:H7 and Salmonella enterica in animal wastes-based composts was studied with different compost types, storage conditions, and inoculum levels. METHODS AND RESULTS: A cocktail of 3 E. coli O157:H7 or S. enterica strains was inoculated into dairy manure-based composts (A and B) or poultry litter-based composts (C and D), respectively, at final concentrations of ca. 5 or 2 log cfu/g. Composts were then stored at 5°C and 22°C, and under greenhouse condition...
February 6, 2018: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29397276/larval-digestion-of-different-manure-types-by-the-black-soldier-fly-diptera-stratiomyidae-impacts-associated-volatile-emissions
#10
Kelly V Beskin, Chelsea D Holcomb, Jonathan A Cammack, Tawni L Crippen, Anthony H Knap, Stephen T Sweet, Jeffery K Tomberlin
Volatile emissions from decomposing animal waste are known environmental pollutants. The black soldier fly, Hermetia illucens (L.), is being evaluated for industrialization as a means to recycle wastes and produce protein for use as food and feed. We examined the ability of black soldier fly larvae to reduce odorous compounds associated with animal wastes. Black soldier fly larvae were reared under laboratory conditions on poultry, swine, and dairy manure at feed rates of 18.0 and 27.0 g every other day until 40% reached the prepupal stage...
April 2018: Waste Management
https://www.readbyqxmd.com/read/29388488/feasibility-of-biogas-and-energy-generation-from-poultry-manure-in-brazil
#11
Eruin M Ribeiro, Regina Mambeli Barros, Geraldo Lúcio Tiago Filho, Ivan Felipe S Dos Santos, Luma C Sampaio, Ticiane V Dos Santos, Fernando dGB da Silva, Ana Paula M Silva, João Victor R de Freitas
The aim of the present study is to experimentally measure the volume and composition of biogas produced from the anaerobic biodigestion of laying-hen manure from poultry farms in Itanhandu-MG, Brazil, so that the biogas can be used to generate energy. Two experiments (E1 and E2) were used to characterise the biogas quantities and compositions at room temperature and at a controlled temperature of 36 °C, respectively. The biogas production and calculated net power from the exploitation of biogas energy were compared with the results obtained from methods proposed by the Environmental Company of the State of São Paulo (CETESB, an acronym in Portuguese) using the 'Biogas: Generation and energy use - effluent and rural waste' software 1...
January 1, 2018: Waste Management & Research
https://www.readbyqxmd.com/read/29353361/liming-induces-carbon-dioxide-co-2-emission-in-psb-inoculated-alkaline-soil-supplemented-with-different-phosphorus-sources
#12
Muhammad Adnan, Zahir Shah, Muhammad Sharif, Hidayatur Rahman
Agricultural land is a major sink of global organic carbon (C). Its suitable management is crucial for improving C sequestration and reducing soil CO2 emission. Incubation experiments were performed to assess the impact of phosphate solubilizing bacterial (PSB) inoculation (inoculated and uninoculated) and soil calcification (4.78, 10, 15, and 20% crushed CaCO3 ) with phosphorus (P) sources [single superphosphate (SSP), rock phosphate (RP), farm yard manure (FYM), and poultry manure (PM)] in experiment 1 and with various rates of PM (4, 8, and 12 kg ha-1 ) in experiment 2 on cumulative soil respiration...
April 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29326987/assessment-of-nutrient-quality-heavy-metals-and-phytotoxic-properties-of-chicken-manure-on-selected-commercial-vegetable-crops
#13
Balasubramani Ravindran, Hupenyu A Mupambwa, Sibongiseni Silwana, Pearson N S Mnkeni
Due to rapid expansion in the poultry industry, production of poultry manure has also consequently increased, resulting in unplanned disposal of this manure to the soil in some cases, with possible negative environmental consequences. In this study, 10 separate poultry manure samples were collected from different sites located in the central Eastern Cape, South Africa and characterized for chemical and phytotoxic properties. The poultry manures had an average neutral pH (range 6.94 - 7.97) whilst the electrical conductivity was highly variable from 2...
December 2017: Heliyon
https://www.readbyqxmd.com/read/29223896/environmental-status-of-livestock-and-poultry-sectors-in-china-under-current-transformation-stage
#14
Yi Qian, Kaihui Song, Tao Hu, Tianyu Ying
Intensive animal husbandry had aroused great environmental concerns in many developed countries. However, some developing countries are still undergoing the environmental pollution from livestock and poultry sectors. Driven by the large demand, China has experienced a remarkable increase in dairy and meat production, especially in the transformation stage from conventional household breeding to large-scale industrial breeding. At the same time, a large amount of manure from the livestock and poultry sector is released into waterbodies and soil, causing eutrophication and soil degradation...
May 1, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29215969/protection-from-wintertime-rainfall-reduces-nutrient-losses-and-greenhouse-gas-emissions-during-the-decomposition-of-poultry-and-horse-manure-based-amendments
#15
Gabriel Maltais-Landry, Katarina Neufeld, David Poon, Nicholas Grant, Zoran Nesic, Sean Smukler
Manure-based soil amendments (herein "amendments") are important fertility sources but differences among amendment types and management can significantly affect their nutrient value and environmental impacts. We conducted a six-month in situ decomposition experiment to determine how protection from wintertime rainfall affected nutrient losses and greenhouse gas (GHG) emissions in poultry (chicken broiler and turkey) and horse amendments. We measured changes in total nutrient concentration - nitrogen (N), phosphorus (P), and potassium (K) - every three months, changes in ammonium (NH4 + ) and nitrate (NO3 - ) concentration every month, and GHG emissions of carbon dioxide (CO2 ), methane (CH4 ), and nitrous oxide (N2 O) every 7-14 days...
December 7, 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/29185219/study-on-the-pollution-status-and-control-measures-for-the-livestock-and-poultry-breeding-industry-in-northeastern-china
#16
Hanxi Wang, Jianling Xu, Xuejun Liu, Lianxi Sheng, Di Zhang, Longwei Li, Aixia Wang
Livestock and poultry breeding industry is one of the main economic pillars of northeastern China. However, the amount of pollutants produced is much higher than that in other parts of China. Through a questionnaire survey, indoor experiment, and outdoor experiment, it was found that the resource utilization rate of livestock and poultry manure in the northeastern region is low, with the pollution of livestock and poultry breeding mainly including air and water pollution. The alarm level of cultivated land and manure is II...
February 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29178629/analysis-of-emerging-organic-contaminants-in-poultry-manure-by-gas-chromatography-tandem-mass-spectrometry
#17
Ramón Aznar, Beatriz Albero, Rosa Ana Pérez, Consuelo Sánchez-Brunete, Esther Miguel, José L Tadeo
A multiresidue method was developed for the determination of 19 emerging organic contaminants (pharmaceutical drugs, personal care products, and bisphenol A) in poultry manure. Lyophilized samples of manure were extracted by ultrasound-assisted matrix solid-phase dispersion and the extracts were analyzed by gas chromatography with tandem mass spectrometry after derivatization. Analysis of spiked poultry manure samples, at levels ranging from 25 to 150 ng/g, gave satisfactory recovery results for all the compounds, with values from 67 to 106%...
February 2018: Journal of Separation Science
https://www.readbyqxmd.com/read/29170494/phosphate-solubilizing-bacteria-nullify-the-antagonistic-effect-of-soil-calcification-on-bioavailability-of-phosphorus-in-alkaline-soils
#18
Muhammad Adnan, Zahir Shah, Shah Fahad, Muhamamd Arif, Mukhtar Alam, Imtiaz Ali Khan, Ishaq Ahmad Mian, Abdul Basir, Hidayat Ullah, Muhammad Arshad, Inayat-Ur- Rehman, Shah Saud, Muhammad Zahid Ihsan, Yousaf Jamal, Amanullah, Hafiz Mohkum Hammad, Wajid Nasim
Phosphate-solubilizing bacteria (PSB) reduce the negative effects of soil calcification on soil phosphorus (P) nutrition. In this incubation study, we explored the ability of PSB (control and inoculated) to release P from different P sources [single super phosphate (SSP), rock phosphate (RP), poultry manure (PM) and farm yard manure (FYM)] with various soil lime contents (4.78, 10, 15 and 20%) in alkaline soil. PSB inoculation progressively enriched Olsen extractable P from all sources compared to the control over the course of 56 days; however, this increase was greater from organic sources (PM and FYM) than from mineral P sources (SSP and RP)...
November 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29157369/risk-factors-associated-with-the-a2c-resistance-pattern-among-e-coli-isolates-from-broiler-flocks-in-canada
#19
Niamh Caffrey, Omid Nekouei, Sheryl Gow, Agnes Agunos, Sylvia Checkley
The extra-label use of ceftiofur in Canadian hatcheries was cause for concern due to an increased prevalence of ceftiofur resistant Salmonella Heidelberg in chickens and humans in Québec. Due to on-going concerns related to human health the use of ceftiofur was eventually phased out of the poultry production industry in 2014-2015. Simultaneous resistance to amoxicillin-clavulanic acid, ceftiofur and cefoxitin, a pattern known as A2C, caused by the presence of blaCMY-2 has become increasingly prevalent in broiler flocks worldwide...
December 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29126822/blending-based-optimisation-and-pretreatment-strategies-to-enhance-anaerobic-digestion-of-poultry-manure
#20
Ivan Rodriguez-Verde, Leticia Regueiro, Juan M Lema, Marta Carballa
Anaerobic digestion of poultry manure is limited by the excessive levels of nitrogen and the high concentration of dry matter. These limitations are usually overcome either by applying procedures to remove nitrogen or by employing pretreatments that allows to solubilise organic matter. In this work, the treatment of poultry manure was enhanced by co-digestion with pig manure through the methodological determination of optimal mixtures combined together with a thermochemical pretreatment coupled to ammonia stripping...
January 2018: Waste Management
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