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Main » 2011 February 26 » CHOLERA IN BIRDS2:36 PM CHOLERA IN BIRDS |
| Infectious disease in poultry and wild birds cause Pasteurella multocida. Cholera is mainly imported infection and shows pronounced kontagioznost (exogenous infection with epizootic nature). Pastyorelonositelstvo can not be found in healthy flocks. Might
occur carrier (in nosoglatkata or in any internal organs), which is the
result of infection with less virulent strains or to establish in birds
overcome the acute phase of clinical expression. This
allows, under certain conditions predisposing to spontaneous outbreaks
of infection (endogenous infection with the enzootic nature).
At sites affected poultry cholera exhibits marked stationarity. On one hand, due to long carrier among the affected birds and the other, the availability of alternative sustainable sources of infection, such as rodents. In clinical aspect distinguishes between several forms of cholera: - Super sharp - the birds die suddenly without any notice of illness - Acute - the affected birds are febrile, with feathers ruffled, sleepy, decreased appetite and increased thirst. Typical are cyanosis (turning blue) of wattles and comb and difficulty breathing. Establish a slime diarrhea often with the presence of blood. Death occurs within 1-3 days. - Chronic - mostly characterized by local lesions such as arthritis, edema and necrosis of earrings rhinitis against anemia, intermittent diarrhea and progressive depletion of a several period. Some of the birds to recover. Typical post-mortem changes in acute cases include serofibrinozen pericarditis epikardialni pinpoint hemorrhages, small necrotic foci in the liver and hemorrhagic enteritis (especially the duodenum is involved). In chronic forms are observed kazeozni foci in the liver and lungs, arthritis and necrotic changes of earrings. Effective reorganization involves the destruction of all birds in affected flocks, disinfection, rat extermination, control of the underlying events and admission of new settlement after a period of 2-3 months. In view of doizpolzvane the affected flock is necessary to remove any predisponirashti factors holding current disinfection and rat extermination, and by resorting to therapeutic and prophylactic treatment with chemotherapeutic agents to reduce and stop the deaths. It should be borne in mind that in this case rescue microbiological effect can be achieved and therefore the birds after doizpolzvaneto apply the above-mentioned measures. Suitable following preparations: Oksivet - 20% pulvis (Oxyvet - 20% powder), Neo-oksivet pulvis (Neo-oxyvet powder), 10% oral Baytril (Baytril 10% oral). |
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