Bacteria of the genus Helicobacter infectivity of the gastric mucosa in pigs

The results of this study showed that bacteria specific to the genus Helicobacter were found in the samples from the pigs’ stomachs with pathomorphological signs of gastritis and ulcers with the help of microscopic, cultural and biochemical methods. Urease activity was detected using Clo-test, and a positive result was registered in 85% of the samples. Helicobacteria were discovered in 40% of samples of the mucous membrane of the pigs’ stomachs by microscopic method. The growth of Helicobacter pylori colonies on selective nutrient medium under microaerophilic conditions at +37 °C was observed in 50%. From the obtained results seen the Helicobacter bacterium indication in the mucous membrane of pigs' stomachs by different methods gave similar results and partially coincided with the macroscopic picture.The most sensitive method of investigation was urease test, less sensitive methods were isolation on the nutrient medium and microscopic method. In all cases, the material was taken from areas with visible pathologies on the gastric mucosa, that indirectly confirms the etiological role of the Helicobacter genus bacterium in these diseases.