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Livestock excrement is a major pollutant yielded from husbandry and it has been constantly imported into various related environments. Livestock excrement comprises a variety of microorganisms including certain units with health risks and these microorganisms are transferred synchronically during the management and utilization processes of livestock excrement. The livestock excrement microbiome is extensively affecting the microbiome of humans and the relevant environments and it could be altered by related environmental factors as well. The zoonotic microorganisms, extremely zoonotic pathogens, and antibiotic-resistant microorganisms are posing threats to human health and environmental safety. In this review, we highlight the main feature of the microbiome of livestock excrement and elucidate the composition and structure of the repertoire of microbes, how these microbes transfer from different spots, and they then affect the microbiomes of related habitants as a whole. Overall, the environmental problems caused by the microbiome of livestock excrement and the potential risks it may cause are summarized from the microbial perspective and the strategies for prediction, prevention, and management are discussed so as to provide a reference for further studies regarding potential microbial risks of livestock excrement microbes.
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http://dx.doi.org/10.3390/microorganisms11081897 | DOI Listing |
Zool Stud
December 2024
Sección Entomología, Facultad de Ciencias, Universidad de la República. Iguá 4225, Montevideo 11400, Uruguay. E-mail: (González-Vainer).
Dung beetles play a vital role in the functioning and sustainability of agroecosystems. The temporal niche partitioning facilitates species coexistence by minimizing interspecific competition. Temporal activity patterns of dung beetles are influenced by various biotic and abiotic factors.
View Article and Find Full Text PDFInsects
May 2025
CSIRO Health and Biosecurity, Black Mountain, 2-40 Clunies Ross St., Canberra, ACT 2601, Australia.
Dung beetles are important ecosystem engineers, as they utilize the excrement produced by animals. For nearly 60 years, several species of dung beetle have been introduced to Australia to help mitigate the problems caused by the accumulation of livestock dung. The twenty-three successfully established species directly contribute to reducing the environmental impacts from dung accumulation, providing improvements to soil health, pasture productivity and pest fly reduction.
View Article and Find Full Text PDFJ Environ Manage
June 2025
Agricultural Clear Watershed Group, Institute of Environment and Sustainable Development in Agriculture, CAAS, Beijing, 100081, China. Electronic address:
Large-scale livestock farming has increased the amount of excrement, leading to ecological and environmental issues. To address this, sustainable solutions like biogas slurry (BS) are needed to enhance soil fertility and soil organic carbon (SOC). This study investigated the effects of conventional nitrogen fertilizer (NPK), standard BS (BS1), and high-nitrogen input BS treatments (BS5, BS7, and BS11) on soil quality, nutrient dynamics, SOC fractions, and environmental risks across soil depths (0-20, 20-40, and 40-60 cm).
View Article and Find Full Text PDFMicrobiol Spectr
June 2025
College of Veterinary Medicine, Jilin Agricultural University, Changchun, China.
Tylosin is a commonly used macrolide antibiotic, which is commonly utilized in livestock; its release through animal excrement can have detrimental environmental effects. Biodegradation of tylosin (TYL) is an effective bioremediation method. In this study, we identified a novel and efficient TYL-degrading bacterial strain, TYL-A1, capable of degrading 75 mg/L of TYL within 5 days at 30°C, pH 7, with 3% inoculum and yeast extract as the nitrogen source.
View Article and Find Full Text PDFToxics
February 2025
Sichuan Academy of Eco-Environmental Sciences, Chengdu 610041, China.
The widespread application of antibiotics in intensive livestock production is increasingly contributing to antibiotic contamination, and their potential ecological risk to environmental media by resourceful utilization of livestock manure as fertilizers in China has been recognized. This study conducted a comprehensive investigation on 79 large-scale livestock farms and collected 86 livestock excrements and 20 soil and 20 surface water samples distributed in Sichuan Basin, where no similar studies were carried out before. In total, four tetracyclines (TCs), eight sulfonamides (SAs), and eight fluoroquinolones (QNs) were monitored by liquid chromatography-triple quadrupole mass spectrometry.
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