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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39 For more details click here
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2016.5(9): 555-561
DOI: http://dx.doi.org/10.20546/ijcmas.2016.509.062


Investigation of Bacterial Infections in Pig Farms affected by Respiratory Disease Complex in Bulgaria
Roman Pepovich1*, Branimir Nikolov2, Kalin Hristov3, Krasimira Genova4, Radka Hadjiolova-Tafradjiyska5 and Stanislav Radanski1
1Department of Infectious Pathology and Hygiene, Technology and Control of Foods from Animal Origin, Faculty of Veterinary Medicine, University of Forestry, Sofia, Bulgaria
2Department of Internal Diseases, Pathology and Pharmacology, Faculty of Veterinary Medicine, University of Forestry, Sofia, Bulgaria
3Department of Surgery, Radiology, Obstetrics and Gynecology, Faculty of Veterinary Medicine, University of Forestry, Sofia, Bulgaria
4Department of Animal Breeding Science, Faculty of Veterinary Medicine, University of Forestry, Sofia, Bulgaria
5Department of Pathophysiology, Faculty of Medicine, Medical University, Sofia, Bulgaria 
*Corresponding author
Abstract:

This study attempted to identify bacterial pathogens and determine their importance in porcine respiratory disease complex in order to identify effective and adequate measures for their control. The study was conducted in three industrial intensive pig farms in different regions of Bulgaria. Nasal swab samples from weaners and fattening pigs affected by respiratory infection were examined, as well as from the lungs of animals that had died or had been emergency slaughtered, with changes characteristic of pneumonia. The results showed that mono-infection was prevalent in the analyzed nasal samples in weaners - 54.2%, and in 70.8% alpha hemolytic Streptococcus was detected. In fattening pigs, associated infections dominated with 54.2%. In a significant part of the samples (62.5%) there were observed alpha hemolytic Streptococcus and S. epidermidis. The results from the microbiological examinations of the lungs showed that the prevailing cases were mono-infections in weaners pigs (70.8%), as well as in fattening pigs (75.0%). A significant proportion of lung specimens were shown to contain E. coli, probably due to coli septicemia potentiated by M. hyopneumoniae.


Keywords: Pigs, respiratory disease complex, bacterial infections, antimicrobial susceptibility
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How to cite this article:

Roman Pepovich, Branimir Nikolov, Kalin Hristov, Krasimira Genova, Radka Hadjiolova-Tafradjiyska and Stanislav Radanski. 2016. Investigation of Bacterial Infections in Pig Farms affected by Respiratory Disease Complex in Bulgaria.Int.J.Curr.Microbiol.App.Sci. 5(9): 555-561. doi: http://dx.doi.org/10.20546/ijcmas.2016.509.062