УДК 619:616.98:578.833.31
Autors:
Dmitrieva M. V.
Petrova O. G.
A. A. Baranova
Summary African swine fever (ASF, East African fever, Montgomery's disease) is a highly contagious viral disease of domestic and wild pigs (wild boars). After the incubation period, pigs develop fever. On the second day after the onset of fever, there is a lack of appetite, diarrhea, impaired coordination of movements, and then death. Some pigs have shortness of breath, discharge from the nose and conjunctiva, redness or cyanosis of the ears and muzzle, as well as bleeding from the nose and anus, abortions in pregnant sows. The lymphatic and vascular systems are affected, hemorrhages, visceral lymph nodes are similar to blood clots. The spleen is enlarged, loose, with petechial hemorrhages. The chronic course is characterized by skin ulcers, pneumonia, pericarditis, pleurisy and arthritis. ASF symptoms are similar to salmonellosis and porcine erysipelas. Two different epidemiological models are observed: the forest cycle in warthogs in Africa, the epidemic and endemic cycles in domestic
Key words: African swine fever, epizootology, viruses, statistics, diagnostics.