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Numbers of fecal streptococci and Escherichia coli in fresh and dry cattle, horse, and sheep manure.
Abstract: Livestock are known contributors to stream pollution. Numbers of fecal streptococci and Escherichia coli in manure naturally deposited by livestock in the field are needed for activities related to bacterial source tracking and determining maximum daily bacterial loading of streams. We measured populations of fecal streptococci and E. coli in fresh and dry manure from cattle (Bos taurus L.), horses (Equus caballus L.), and sheep (Ovis aires L.) on farms in southern Idaho. Populations of indicator bacteria in dry manure were often as high as that in fresh manure from horse and sheep. There was a 2 log10 drop in the population of fecal coliform numbers in dry cattle manure from cattle in pastures but not from cattle in pens. Bacterial isolates used in source tracking should include isolates from both fresh and dry manure to better represent the bacterial source loading of streams.
Publication Date: 2005-12-08 PubMed ID: 16333344DOI: 10.1139/w05-071Google Scholar: Lookup The Equine Research Bank provides access to a large database of publicly available scientific literature. Inclusion in the Research Bank does not imply endorsement of study methods or findings by Mad Barn.
- Journal Article
- Research Support
- U.S. Gov't
- Non-P.H.S.
Summary
This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.
This research paper involves the study of bacterial counts in fresh and dried livestock manure. The focus is on two types of bacteria, fecal streptococci and Escherichia coli (E. coli), in manure from cattle, horses, and sheep. The findings will assist in managing bacterial contamination in water bodies from livestock activities.
Objective of the Research
- This study aims to understand the presence and count of two types of bacteria, fecal streptococci and E. coli, in livestock manure. The livestock in question are cattle, horses, and sheep from farms in southern Idaho.
- The research is in response to requirements for understanding the bacterial loading into streams, aiding efforts made towards bacterial source tracking, and determining the maximum daily bacterial loading of water bodies.
Main Findings
- It was found that bacterial count in dried manure was just as high compared to fresh manure for both horse and sheep.
- A significant decrease, approximately by 2 log10, in the E. coli population was observed when comparing fresh cattle manure to dried manure from pastured cattle. However, this decrease was not recorded in the manure from cattle housed in pens.
Implication of the Research
- The results indicate that both fresh and dried manure should be considered when conducting bacterial source tracking. This is based on the observation that bacterial populations remained high in dried manure.
- The study suggests that the type of livestock and how they are housed can influence the bacterial population in manure, highlighting the significance of these factors in managing bacterial contamination in the environment.
Conclusion
- The research contributes to the broader efforts of pollution management by enhancing knowledge on bacterial loading into streams from livestock activity.
- The insight can improve practices and guidelines around manure management and livestock penning to mitigate contamination risks.
Cite This Article
APA
Weaver RW, Entry JA, Graves A.
(2005).
Numbers of fecal streptococci and Escherichia coli in fresh and dry cattle, horse, and sheep manure.
Can J Microbiol, 51(10), 847-851.
https://doi.org/10.1139/w05-071 Publication
Researcher Affiliations
- Department of Soil and Crop Sciences, Texas A and M University, College Station, TX 77843, USA.
MeSH Terms
- Animals
- Cattle
- Colony Count, Microbial
- Environmental Monitoring / methods
- Escherichia coli / isolation & purification
- Feces / microbiology
- Horses
- Manure / microbiology
- Rivers / microbiology
- Sheep
- Streptococcus / isolation & purification
- Water Pollution / prevention & control
Citations
This article has been cited 7 times.- Stapleton GS, Cazer CL, Gröhn YT. Modeling the Effect of Tylosin Phosphate on Macrolide-Resistant Enterococci in Feedlots and Reducing Resistance Transmission. Foodborne Pathog Dis 2021 Feb;18(2):85-96.
- Pynegar EL, Jones JPG, Gibbons JM, Asquith NM. The effectiveness of Payments for Ecosystem Services at delivering improvements in water quality: lessons for experiments at the landscape scale. PeerJ 2018;6:e5753.
- Manyi-Loh CE, Mamphweli SN, Meyer EL, Makaka G, Simon M, Okoh AI. An Overview of the Control of Bacterial Pathogens in Cattle Manure. Int J Environ Res Public Health 2016 Aug 25;13(9).
- Rusiñol M, Moriarty E, Lin S, Bofill-Mas S, Gilpin B. Human-, Ovine-, and Bovine-Specific Viral Source Tracking Tools to Discriminate Between the Major Fecal Sources in Agricultural Waters. Food Environ Virol 2016 Mar;8(1):34-45.
- Rebecca PH, Linda P. Improving environmental management on small-scale farms: perspectives of extension educators and horse farm operators. Environ Manage 2015 Jan;55(1):31-42.
- Alexander TW, Reuter T, Sharma R, Yanke LJ, Topp E, McAllister TA. Longitudinal characterization of resistant Escherichia coli in fecal deposits from cattle fed subtherapeutic levels of antimicrobials. Appl Environ Microbiol 2009 Nov;75(22):7125-34.
- McQuaig SM, Scott TM, Harwood VJ, Farrah SR, Lukasik JO. Detection of human-derived fecal pollution in environmental waters by use of a PCR-based human polyomavirus assay. Appl Environ Microbiol 2006 Dec;72(12):7567-74.
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