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Journal for Veterinary Medicine, Biotechnology and Biosafety

Volume 6, Issue 3, September 2020, Pages 23–26

ISSN 2411-3174 (print version) ISSN 2411-0388 (online version)

FEED MICROBIAL CONTAMINATION IN PIG-BREEDING: MODERN THREATS AND WAYS TO OVERCOME THEM

Kolchyk О. V., Buzun A. I.

National Scientific Center ‘Institute of Experimental and Clinical Veterinary Medicine’, Kharkiv, Ukraine; e-mail: kolchyk-elena@ukr.net, epibuz@ukr.net

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Citation for print version: Kolchyk, О. V. and Buzun, A. I. (2020) ‘Feed microbial contamination in pig-breeding: Modern threats and ways to overcome them’, Journal for Veterinary Medicine, Biotechnology and Biosafety, 6(3), pp. 23–26.

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Citation for online version: Kolchyk, О. V. and Buzun, A. I. (2020) ‘Feed microbial contamination in pig-breeding: Modern threats and ways to overcome them’, Journal for Veterinary Medicine, Biotechnology and Biosafety. [Online] 6(3), pp. 23–26. DOI: 10.36016/JVMBBS-2020-6-3-5.

Summary. The paper presents the results on the species and percentage composition of the microflora in biofilms of pig feed, which varies depending on the seasonal factor. Bacteria Streptococcus spp., Pasteurella multocida, Neisseria spp., and Clostridium perfringens in biofilms were found much more often (by 25% or more) in the warm period of the year, while listeria in silage and haylage — in the autumn–winter period. This property of feed biofilms is also significantly influenced by the conditions of cultivation, harvesting and storage of agricultural products. In the study of biofilms of microflora of barley, corn and wheat, it was found that their structural basis are aerobic fungi of the mold Aspergillus spp. Bacteria Streptococcus spp., Pasteurella multocida, Neisseria spp., and Clostridium perfringens without mold form much looser biofilms in vitro and these biofilms are much more sensitive to a wide range of commercial antibiotics. The structural basis of polymicrobial biofilms of barley, corn and wheat microflora is highly likely to be aerobic fungi of Aspergillus spp.

Keywords: bacterial biofilms, fodder crops, veterinary and sanitary quality of fodder, listeria, pasteurellosis, clostridiosis

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