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Total 266 results found since Jan 2013.

Using vermiwash to enhance performance of small-scale vermifiltration for swine farm wastewater
In conclusion, vermiwas h could enhance performance of vermifiltration for swine farm wastewater treatment. The available fraction of copper in vermicompost produced from vermifiltration decreased. Therefore, the farmer could produce vermicompost as the biofertilizer for agricultural production. Using vermifiltration for w astewater treatment in small swine farm could be the eco-solution for nutrient recovery, water resource recycles and minimize pollution.
Source: Environmental Geochemistry and Health - January 29, 2021 Category: Environmental Health Source Type: research

Narcolepsy and Other 'Central Disorders of Hypersomnolence'.
Abstract Narcolepsy and Other 'Central Disorders of Hypersomnolence' Abstract. 'Excessive daytime sleepiness', 'hypersomnia' in the sense of prolonged sleep need, 'tiredness' or 'fatigue' are frequent complaints in primary care, requiring a careful separation in view of a correct diagnostic. After exclusion of various internistic and neurologic causes by clinical and laboratory investigations and after exclusion of sleep apnoea syndrome or other causes of disturbed sleep by polysomnography, the ambiguous group of 'Central Disorders of Hypersomnolence' remains, including narcolepsy with and without cataplexy, idiop...
Source: Praxis - October 19, 2018 Category: General Medicine Authors: Mathis J Tags: Praxis (Bern 1994) Source Type: research

Accuracy of Actigraphy Compared to Concomitant Ambulatory Polysomnography in Narcolepsy and Other Sleep Disorders
Actigraphy provides longitudinal sleep data over multiple nights. It is a less expensive and less cumbersome method for measuring sleep than polysomnography. Studies assessing accuracy of actigraphy compared to ambulatory polysomnography in different sleep-disordered patients are rare. We aimed to compare the concordance between these methods in clinical setting. We included 290 clinical measurements of 281 sleep laboratory patients (mean age 37.9 years, 182 female). Concomitant ambulatory polysomnography and actigraphy were analyzed to determine the agreement in patients with obstructive sleep apnea, narcolepsy, periodic ...
Source: Frontiers in Neurology - March 4, 2021 Category: Neurology Source Type: research

Fermentation of lignocellulose ingredients in vivo and in vitro via using fecal and caecal inoculums of monogastric animals (swine/turkeys)
In conclusions, lignocellulose A can be used as alternative source of fiber to maintain the health and function of digestive tract. Furthermore, the use of feces/excreta liquor provides a valid and proper estimate of digestibility or fermentation of feeds. These results provide further guide that this procedure would be an effective and practical means of approximating the digestibility of diets.
Source: Beni Suef University Journal of Basic and Applied Sciences - July 5, 2018 Category: Science Source Type: research

Tracking antibiotic resistance gene transfer at all seasons from swine waste to receiving environments
Ecotoxicol Environ Saf. 2021 May 18;219:112335. doi: 10.1016/j.ecoenv.2021.112335. Online ahead of print.ABSTRACTAntibiotic resistance genes (ARGs) in livestock farms have attracted a growing attention with potential effects on human health. As one of the most important organic fertilizer, swine waste provided an ideal environment for understanding the dissemination and accumulation of ARGs in agricultural ecosystems. Here we conducted a year-round follow-up trace from swine waste to receiving environments, with the purpose of revealing the contamination profiles and ecological risks of ARGs at different seasons. Results i...
Source: Ecotoxicology and Environmental Safety - May 21, 2021 Category: Environmental Health Authors: Bingjun Han Fengxia Yang Xueli Tian Meirui Mu Keqiang Zhang Source Type: research

Synergistic Inactivation of African Swine Fever Virus by a Highly Complexed Iodine Combined with Compound Organic Acids
This study evaluated the synergistic inactivation effects of HPCI combined with compound organic acids (COAs) against ASFV. The results showed that the inactivation rates of HPCI, COAs, and HPCI+COAs on the reporter ASFV expressing the green fluorescent protein increased in dose- and time-dependent manners. The best inactivation effects were obtained when the compatibility ratio of HPCI and COAs was 5:1, and the ideal temperature was 25°C. Furthermore, there were no significant differences when comparing the efficacy of HPCI combined with COAs (HPCI+COAs) in inactivating wild-type ASFV and the reporter ASFV (P > 0.05)....
Source: Applied and Environmental Microbiology - May 19, 2022 Category: Microbiology Authors: Mengnan Qi Li Pan Ying Gao Miao Li Yanjin Wang Lian-Feng Li Chen Ji Yuan Sun Hua-Ji Qiu Source Type: research

IJERPH, Vol. 19, Pages 13840: A Case Study of Swine Wastewater Treatment via Electrochemical Oxidation by Ti4O7 Anode
In this study, Electrochemical oxidation (EO) was selected to systematically explore the treatment performance of three different swine wastewaters by Ti4O7 anode. It was observed that the colors changed from dark brown to light yellow after 60 min treatment at 50 mA/cm2, and the removal rates of turbidity and suspended solids ranged from 89.36% to 93.65% and 81.31% to 92.55%, respectively. The chemical oxygen demand (COD), ammonia nitrogen (NH3-N) and total phosphorus (TP) of all the three swine wastewaters were simultaneously removed to a very low concentration in 120 min, especially for sample III, 61 ± 9...
Source: International Journal of Environmental Research and Public Health - October 25, 2022 Category: Environmental Health Authors: Hongyou Wan Ruifeng Wang Beibei Wang Kehao Zhang Huanhuan Shi Hailong Wang Tags: Article Source Type: research

Tracing the variation of dissolved organic matter in the two-stage anoxic/aerobic process treating swine wastewater using fluorescence excitation-emission matrix with parallel factor analysis
In this study, swine wastewater was treated by a step-feed two-stage anoxic/aerobic (SF-A/O/A/O) process. By using parallel factor (PARAFAC) analysis of fluorescence excitation-emission matrix (EEM), the main components of swine wastewater were aromatic protein-like substances (C1), tryptophan-like substances (C2), fulvic acid-like/humic-like substances (C3) and humic-like substances (C4). Protein-like substances were degraded significantly, while humic-like substances were difficult to be utilized by microorganisms. Fluorescence spectral indexes showed that the characteristics of endogenous input and humus were enhanced. ...
Source: Environmental Science and Pollution Research International - March 30, 2023 Category: Environmental Health Authors: Jingjing Liu Jinliang Gao Zhenxing Zhong Yayun Cheng Beiping Zhang Source Type: research

Changes in dissolved organic matter composition and metabolic diversity of bacterial community during the degradation of organic matter in swine effluent.
In this study, an incubation experiment was conducted with effluent collected from the concentrated swine-feeding operations (CSFOs) located in Yujiang County of Jiangxi Province, China. The purpose of this study was to elucidate the relationships between the composition of dissolved organic matter (DOM) and the community-level physiological profiles (CLPPs) of microorganisms in swine effluent. For all samples examined, the concentrations of dissolved organic carbon (DOC) and total dissolved nitrogen (TDN) were decreased by an average of 58.2 ± 30.4 and 49.2 ± 38.7 %, whereas total dissolved phosphorus (TDP) exh...
Source: Environmental Science and Pollution Research International - March 30, 2016 Category: Environmental Health Authors: Li L, Liu M, Li Y, Ma X, Tang X, Li Z Tags: Environ Sci Pollut Res Int Source Type: research

Season matters when sampling streams for swine CAFO waste pollution impacts.
Authors: Mallin MA, McIver MR Abstract Concentrated (or confined) animal feed operations (CAFOs) are the principal means of livestock production in the United States, and such facilities pollute nearby waterways because of their waste management practices; CAFO waste is pumped from the confinement structure into a cesspit and sprayed on a field. Stocking Head Creek is located in eastern North Carolina, a state with >9,000,000 head of swine confined in CAFOs. This watershed contains 40 swine CAFOs; stream water quality was investigated at seven sites during 2016, with five sampling dates in early spring and five ...
Source: Journal of Water and Health - February 11, 2018 Category: Environmental Health Tags: J Water Health Source Type: research