Abstract
The analysis of the incidence of livestock (cattle and pigs) of salmonellosis in the territory of the Irkutsk region during 2004–2016 was carried out. It was found that the incidence rate of cattle was 5.4±0.62 per 100 thousands livestock, pigs − 4.0±0.04 0/0000. The dynamics of reducing of the incidence of pigs was identified. Negative rates of increase in the incidence of animals were revealed. The epizootic index was 1.0. Salmonella of nine species (Salmonella dublin, S.enteritidis, S.choleraesuis, S.typhimurium, S.london, S.lindi, S.wernigerode and S.othmarschen) in cattle and five species (S.choleraesuis, S.enteritidis, S.typhimurium, S.rochdale and S.arizonae) in pigs were identified as the causative agent of the infection. S.dublin was dominated at the etiology of salmonellosis in cattle (75.1 %) (p≤0.05), S.choleraesuis – in pigs (89.2±2.9 %) (p≤0.01). Salmonellosis in cattle was recorded in 11 districts of the Irkutsk region, in pigs – in nine districts.
Highlights
Salmonellosis, widespread in many countries of the world, is a serious threat to human health [1]
About 8 % of all cases of human salmonellosis refer to direct contact with animals; % are related to environmental sources, % to travel; about 55 % – with food products and about 9 % – with direct transmission from person to person [1, 7]
The average longterm incidence rate of salmonellosis of cattle in 2004–2016 turned out to be at the level of 5.4 ± 0.62 0/0000, pigs – 4.0±0.04 0/0000/ The incidence of cattle was characterized by variability without significant dynamics (r= –0.06; p>0.05)
Summary
Salmonellosis, widespread in many countries of the world, is a serious threat to human health [1]. According to the report of the European Food Safety Authority (EFSA) for 2014, salmonellosis is one of the most common zoonoses and foodborne toxic infections [5, 6]. About 8 % of all cases of human salmonellosis refer to direct contact with animals; % are related to environmental sources, % to travel; about 55 % – with food products and about 9 % – with direct transmission from person to person [1, 7]. Salmonella is widespread in herds of farm animals, mainly among those animals that are used by humans for food [6]. In Russia, salmonellosis of cattle (especially calves), pigs and sheep is registered in many regions [8, 9, 10], making up 15–45 % in different territories in the structure of the incidence of zoonoses in farm animals
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