The importance of disinfecting means in the programs of health improvement of cattle from associared infections

Abstract

In the article presents the results of studying the bactericidal and fungicidal action of disinfectants related to different groups of chemical compounds in the aerosol method of application in livestock premises. In the objects of the study were three disinfectants: sample № 1- containing in its composition -the sodium salt of dichloroisocyanuric acid - "Deochlor vet" ; sample № 2 - alkyldimethylbenzylammo-nium chloride and glutaraldehyde - "Deo-bacter vet"; sample № 3 - alkyldimethylbenzylammonium chloride and isopropyl alcohol - «Deo ster vet» in conducting a series of experiments, the effectiveness of the use of test substances in forced and preventive disinfection in the premises of livestock complexes was determined. In the study was carried out in cattle-breeding premises with bacterial air pollution of 300 - 327 TBC. Species composition of microorganisms was as follows: bacteria - Enterococcus spp., Staphylococcus aureus, Escherichia coli; mushrooms - Aspergillus spp. Penicillium spp., Mucor spp. In the pronounced bactericidal and fungicidal activity showed "Deo - chlor vet" at a concentration of 0.06% for active chlorine at 60 minutes exposure, the number of pathogenic microorganisms was reduced to 56 TBC. In the when sample № 2 was used - «Deo-bacter vet» at a working concentration of 2.0% at an exposure of 60 minutes, 73 TBC were recorded, and the growth of pathogenic fungi (Penicillium spp. and Mucor spp.) Was noted. After aerosol treatment with sample №. 3 - "Deo-ster vet" at a concentration of 1.0%, the total microbial contamination of the room air in the room was reduced by a factor of 2.5. In the treated rooms, the growth of saprophytic fungi and bacteria of the genus Entero-coccus spp persisted. Based on the results of the conducted studies it is recommended to use the preparation "Deo-chlor vet" in livestock premises for forced disinfection in order to reduce the concentration and destruction of pathogenic and conditionally pathogenic microflora "Deo-bacter vet" and "Deo-ster vet" can be used for current zoogenic hygiene measures in ancillary premises of livestock farms.