Manure application increases soil doxycycline and zinc levels and resistance gene abundance

Ecotoxicology and Environmental Safety, Год журнала: 2025, Номер 290, С. 117806 - 117806

Опубликована: Янв. 1, 2025

Doxycycline (DOX) and zinc (Zn), are frequently detected in livestock manure. Untreated excrement carries a sizable load of DOX Zn into the soil, exacerbating agricultural nonpoint source pollution. However, research on effects soil microbial diversity prevalence resistance genes is limited. Through an 8-year field experiment coupled with 16S rRNA sequence analysis, we explored dynamics contamination their influence gene expression. Our findings revealed pronounced positive correlation between pig manure application residual levels high manure) treatment resulting increases 16.42- 1.14-fold levels, respectively, compared to those control. Soil increased chicken application, whereas showed divergent trends, increasing but decreasing application. As depth increased, risks from decreased. Notably, exhibited significant Bacteroidota, Firmicutes, Proteobacteria. The poultry manures amplified abundance antibiotic (ARGs) metal (MRGs) higher ARG manure-treated than treated Conversely, greater MRGs was found results this study composition, continuous China will be highly valuable for surveillance, maintenance, biological removal composite pollution

Язык: Английский

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Self-Organizing Map-Based Assessment of Compost Maturity and Cu/Zn Passivation in Biochar-Amended Pig Manure

Agronomy, Год журнала: 2025, Номер 15(4), С. 778 - 778

Опубликована: Март 22, 2025

The accumulation of copper (Cu) and zinc (Zn) from piglet feed, coupled with inadequate compost maturation, hinders the safe land application pig manure (PM). This study employed self-organizing maps (SOMs) integrated three-dimensional excitation–emission matrix fluorescence spectroscopy (3D-EEM) parallel factor analysis (PARAFAC) to evaluate PM maturity Cu/Zn passivation under different biochar (BC) dosages (0%, 8%, 10%, 12%). results revealed that SOM clustering effectively distinguished composting phases organic matter transformation trends, while network identified key microbial modules (M5, M6) linked passivation. Moreover, 12% BC accelerated maximizing humic content (C1: anthropogenic; C4: terrestrial) by increasing Luteimonas abundance (241.98%) reducing Terrisporobacter (92%). It also achieved highest Cu (36.36%) Zn (32.34%) Although 10% promoted C4 synthesis but inhibited C1 formation, it ultimately reached a similar level BC. Additionally, demonstrated comparable (34.85%) (27.89%) passivation, making more cost-effective alternative. These findings highlight as robust tool for evaluation, optimizing improving efficiency.

Язык: Английский

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Towards circular economy: Sustainable valorization of municipal solid waste incineration fly ash for recovery of high-purity chlorides and calcium, and separation of heavy metals

Environmental Research, Год журнала: 2025, Номер unknown, С. 121536 - 121536

Опубликована: Апрель 1, 2025

Язык: Английский

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Spatial distribution of cadmium and lead in wheat grains and their environmental driving factors in major grain-producing areas, China

Ecological Indicators, Год журнала: 2025, Номер 175, С. 113589 - 113589

Опубликована: Май 11, 2025

Язык: Английский

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IncI2 plasmid transfer and changes of intestinal microbiota in mice under β-lactam antibiotic pressure

BMC Veterinary Research, Год журнала: 2025, Номер 21(1)

Опубликована: Май 15, 2025

Язык: Английский

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Self made electrode empowers electrochemical synergistic anaerobic fermentation treatment of pig manure

Renewable Energy, Год журнала: 2025, Номер unknown, С. 123674 - 123674

Опубликована: Июнь 1, 2025

Язык: Английский

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