alexa Effectiveness of Clinoptilolite Zeolite for Mycobacteri
ISSN: 2161-1068

Mycobacterial Diseases
Open Access

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Research Article

Effectiveness of Clinoptilolite Zeolite for Mycobacterium avium subsp. Paratuberculosis (MAP) Control in Dairy Slurry

C Avilez1, C Verdugo1, O Martinez2, C Encina1, F Salazar3, M Alfaro3, MT Collins4 and M Salgado1*

1Faculty of Veterinary Science, Institute of Preventive Veterinary Medicine, Universidad Austral de Chile, Valdivia, Chile

2Faculty of Science, Institute of Biochemistry and Microbiology, Universidad Austral de Chile, Valdivia, Chile

3Agricultural Research Institute (INIA), Regional Centre Remehue, Osorno, Chile

4Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, USA

Corresponding Author:
Salgado M
Faculty of Veterinary Science
Institute of Preventive Veterinary Medicine
Universidad Austral de Chile, Saelzer Building 5th Floor
567 CC Campus Isla Teja, Valdivia, Chile
Tel: +56 63-2444358
E-mail: [email protected]

Received Date: May 11, 2016; Accepted Date: October 18, 2016; Published Date: October 25, 2016

Citation: Avilez C, Verdugo C, Martinez O, Encina C, Salazar F, et al. (2016) Effectiveness of Clinoptilolite Zeolite for Mycobacterium avium subsp. Paratuberculosis (MAP) Control in Dairy Slurry. Mycobact Dis 6:226. doi: 10.4172/2161-1068.1000226

Copyright: © 2016 Avilez C, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



The use of slurry as a fertilizer on grassland efficiently spreads infectious agents. Among those using the fecal– oral way of transmission, Mycobacterium avium subsp. Para tuberculosis (MAP) represents an interesting pathogen model to be studied in slurry management systems. In order to fulfill the requirements of a practical control implementation, we aimed to investigate the effect of natural zeolite on MAP viability and concentration in dairy cattle naturally contaminated slurry. MAP viability and number in dairy cattle slurry following a physical separation treatment was estimated. A randomized block design constituted by four separation phases of treated slurry (solid supernatant, liquid supernatant, zeolite with slurry, liquid residue) plus one control (not filtered) was used. To assess MAP detection, each obtained sample was evaluated by culture sampling along with MAP quantification. Zeolite+slurry treatment showed the lowest number of viable MAP. The zeolite-based treatments reduced significantly the survival of MAP in treated slurry. The results suggest that zeolite treatments using the zeolite filter may be an interesting alternative of MAP control in slurry. The use of zeolite treatments to control MAP, and maybe other pathogens too, seems promising, however further research is needed to understand and clarify the mechanisms that explain these results in detail.


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