Disinfection as a Key Element in the Prevention and Elimination of Infectious Diseases of Animals

The article is devoted to the measures taken to ensure sanitary well-being and prevent diseases caused by microorganisms of I-IV groups of resistance to chemical disinfectants. By purpose, disinfection is divided into preventive and forced.

Preventive disinfection stops infectious agents’ entry and accumulation of conditionally pathogenic microflora in livestock buildings and other facilities that are safe for infectious diseases of animals and poultry. Compulsory disinfection (current and final) is carried out at facilities with an unfavourable infectious baseline. Its purpose is to localize the primary source of infection and prevent the disease spread within and beyond the farm. Compulsory current disinfection is carried out periodically throughout the entire recovery period to reduce the level of contamination of the external environment with pathogenic microorganisms, prevent the animal population within the facility (farm, household) and the spread of disease. The frequency of compulsory current disinfection and the list of facilities are defined taking into account the epizootic situation caused by a specific disease, plant technologies, climatic conditions and other features of the affected area or its location, as well as the current requirements for dealing with the disease. Final disinfection is carried out after the sick animals have been identified, measures to eliminate the source of the disease have been taken, and the enterprise or farm has been declared ‘recovered,’ immediately before the quarantine is lifted. The purpose of final disinfection is to completely destroy infectious disease pathogens in all external environments that could become a factor in the infectious agent being transmitted to animals or humans and the disease recurring. Final disinfection is carried out according to a plan approved by the chief veterinary officer of the district, in case of highly hazardous diseases (zooanthroponosis) after approval by the health authorities.

Conclusion. Maintenance stages prior to disinfection, carrying out disinfection in compliance with all precautions and treatment modes, quality control, including bacteriological control, as effective measures for the prevention and elimination of infectious diseases in animals and poultry will enhance livestock productivity and ensure sanitary and epidemiological well-being.

Funding. This study was not supported by any external sources of funding.

Conflict of interest. The authors declare no apparent or potential conflicts of interest related to the publication of this article.

Received: 07.07.2025 / Accepted: 20.08.2025 / Published: 10.09.2025

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