The Epidemiological Situation of Avian Salmonellosis in the Republic of Moldova

Abstract

The goal of the proposed research was to establish the diversity of the pathogenic serotypes of Salmonella spp. in the poultry enterprises which produce meat and eggs for consumption and to determine the critical points of carcasses and eggs contamination which could lead to risks of toxic infections in humans. The samples for microbiological investigations were collected from the poultry carcasses and egg shells delivered to the Central Agricultural Market of Chisinau from different poultry companies in the country, including equipment, vehicles for poultry transportation and manure. The inseminations were performed on nutrient media like: bismuth sulfite agar and Salmonella Sighela Agar. The bacteriological investigations demonstrated that the majority of the examined samples showed the presence of colonies of Salmonella spp. The results demonstrated that in the samples taken from poultry products (carcasses, meat products and eggs) Salmonella spp. serotypes as S. Infantis, S. enteritidis, S. typhimurium have prevailed; however, in the samples taken from poultry equipment and vehicles, prevailed the serotypes as S. enteritidis, S. Derby, S. gallinarum and S. Infantes. The data gathered confirmed that some pathogenic serotype of Salmonella spp., in particular S. enteritidis and S. typhimurium persist in the poultry products and can be a source of risk of birds salmonellosis and human toxic infections.