Sheep feces can carry a high concentration of pathogenic and non-pathogenic bacteria, which potentially may contaminate wool as well as the shearers or wool manipulators through direct contact. A pilot study was carried out to determine the presence of bacterial DNA in feces and the degree of bacterial contamination in wool in two species of ruminants. Fourteen 2-month old lambs and 14 kids (7 male and 7 female), uncastrated, no twins, with their mothers, were randomly selected at weaning from a free flock grazing on naturalized pasture of Los Ríos region, Chile. Fecal and wool samples were taken once and analyzed for genomic DNA of Salmonella typhimurium containing the virulence plasmid spv, Eschrichia coli serotype O157, Clostridium perfringens type C containing α toxin and Mycobacterium avium sp paratuberculosis containing the IS900 insertion element. The results showed that lamb and kids feces had higher contents of bacterial DNA for E. coli O157 and SalmT than lamb wool, although only one lamb showed these two bacteria on its wool. The bacterial species influenced the DNA expression for 16S in both, feces (P=0.05) and wool (P=0.0006) and for E. coli O157 and SalmT only in feces (P<0.0001). The sex was associated with E. coli detection in lambs feces (P<0.0007) and in kids feces (P<0.05). The values obtained for MAP IS900 and Cpa DNA contents, considering both species and sex, were undetectable. In conclusion, lamb and kids feces should potentially contaminate wool especially by Eschrichia coli O157 and Salmonella typhimurium, representing a potential health risk and public health concern, especially for shearers and wool handlers.
| Published in | Animal and Veterinary Sciences (Volume 7, Issue 4) |
| DOI | 10.11648/j.avs.20190704.13 |
| Page(s) | 94-98 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2019. Published by Science Publishing Group |
Genomic DNA, Bacteria, Lambs, Kids
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APA Style
María Gallardo, Lucía Azócar-Aedo, Luis Arias-Darraz, Giorgio Castellar, Miguel Salgado, et al. (2019). A Survey of Bacterial Pathogens Detected in Feces and Wool in Small Ruminants (Pilot Study). Animal and Veterinary Sciences, 7(4), 94-98. https://doi.org/10.11648/j.avs.20190704.13
ACS Style
María Gallardo; Lucía Azócar-Aedo; Luis Arias-Darraz; Giorgio Castellar; Miguel Salgado, et al. A Survey of Bacterial Pathogens Detected in Feces and Wool in Small Ruminants (Pilot Study). Anim. Vet. Sci. 2019, 7(4), 94-98. doi: 10.11648/j.avs.20190704.13
AMA Style
María Gallardo, Lucía Azócar-Aedo, Luis Arias-Darraz, Giorgio Castellar, Miguel Salgado, et al. A Survey of Bacterial Pathogens Detected in Feces and Wool in Small Ruminants (Pilot Study). Anim Vet Sci. 2019;7(4):94-98. doi: 10.11648/j.avs.20190704.13
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Download@article{10.11648/j.avs.20190704.13,
author = {María Gallardo and Lucía Azócar-Aedo and Luis Arias-Darraz and Giorgio Castellar and Miguel Salgado and Juan Cárcamo},
title = {A Survey of Bacterial Pathogens Detected in Feces and Wool in Small Ruminants (Pilot Study)},
journal = {Animal and Veterinary Sciences},
volume = {7},
number = {4},
pages = {94-98},
doi = {10.11648/j.avs.20190704.13},
url = {https://doi.org/10.11648/j.avs.20190704.13},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.avs.20190704.13},
abstract = {Sheep feces can carry a high concentration of pathogenic and non-pathogenic bacteria, which potentially may contaminate wool as well as the shearers or wool manipulators through direct contact. A pilot study was carried out to determine the presence of bacterial DNA in feces and the degree of bacterial contamination in wool in two species of ruminants. Fourteen 2-month old lambs and 14 kids (7 male and 7 female), uncastrated, no twins, with their mothers, were randomly selected at weaning from a free flock grazing on naturalized pasture of Los Ríos region, Chile. Fecal and wool samples were taken once and analyzed for genomic DNA of Salmonella typhimurium containing the virulence plasmid spv, Eschrichia coli serotype O157, Clostridium perfringens type C containing α toxin and Mycobacterium avium sp paratuberculosis containing the IS900 insertion element. The results showed that lamb and kids feces had higher contents of bacterial DNA for E. coli O157 and SalmT than lamb wool, although only one lamb showed these two bacteria on its wool. The bacterial species influenced the DNA expression for 16S in both, feces (P=0.05) and wool (P=0.0006) and for E. coli O157 and SalmT only in feces (PE. coli detection in lambs feces (P900 and Cpa DNA contents, considering both species and sex, were undetectable. In conclusion, lamb and kids feces should potentially contaminate wool especially by Eschrichia coli O157 and Salmonella typhimurium, representing a potential health risk and public health concern, especially for shearers and wool handlers.},
year = {2019}
}
TY - JOUR T1 - A Survey of Bacterial Pathogens Detected in Feces and Wool in Small Ruminants (Pilot Study) AU - María Gallardo AU - Lucía Azócar-Aedo AU - Luis Arias-Darraz AU - Giorgio Castellar AU - Miguel Salgado AU - Juan Cárcamo Y1 - 2019/08/05 PY - 2019 N1 - https://doi.org/10.11648/j.avs.20190704.13 DO - 10.11648/j.avs.20190704.13 T2 - Animal and Veterinary Sciences JF - Animal and Veterinary Sciences JO - Animal and Veterinary Sciences SP - 94 EP - 98 PB - Science Publishing Group SN - 2328-5850 UR - https://doi.org/10.11648/j.avs.20190704.13 AB - Sheep feces can carry a high concentration of pathogenic and non-pathogenic bacteria, which potentially may contaminate wool as well as the shearers or wool manipulators through direct contact. A pilot study was carried out to determine the presence of bacterial DNA in feces and the degree of bacterial contamination in wool in two species of ruminants. Fourteen 2-month old lambs and 14 kids (7 male and 7 female), uncastrated, no twins, with their mothers, were randomly selected at weaning from a free flock grazing on naturalized pasture of Los Ríos region, Chile. Fecal and wool samples were taken once and analyzed for genomic DNA of Salmonella typhimurium containing the virulence plasmid spv, Eschrichia coli serotype O157, Clostridium perfringens type C containing α toxin and Mycobacterium avium sp paratuberculosis containing the IS900 insertion element. The results showed that lamb and kids feces had higher contents of bacterial DNA for E. coli O157 and SalmT than lamb wool, although only one lamb showed these two bacteria on its wool. The bacterial species influenced the DNA expression for 16S in both, feces (P=0.05) and wool (P=0.0006) and for E. coli O157 and SalmT only in feces (PE. coli detection in lambs feces (P900 and Cpa DNA contents, considering both species and sex, were undetectable. In conclusion, lamb and kids feces should potentially contaminate wool especially by Eschrichia coli O157 and Salmonella typhimurium, representing a potential health risk and public health concern, especially for shearers and wool handlers. VL - 7 IS - 4 ER -
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