Psittacosis is dangerous not only for birds
The causative agent of psittacosis — Chlamydia psittaci long-term remains in the environment, especially in wet conditions. In the litter of birds, in the absence of direct sunlight, the causative agent of psittacosis retains its infectious properties up to 8 months. Chlamydia are sensitive to high temperatures and disinfectants. When heated to 70 degrees and above, and under the influence of disinfectants (chloramine, alkali, phenol) die quickly.
Chlamydia are widely distributed in nature among wild, domestic (chickens, ducks, turkeys) and commensal (rock pigeons, sparrows, crows) birds.
For humans the most dangerous Pets (ducks, turkeys, chickens), species (rock pigeons, sparrows, crows) and indoor decorative (parrots, Canaries) the birds.
Source of infection of psittacosis in the city territory are room decorative birds, ownerless pigeons and wild birds under natural conditions (walking, stay in the country).Foci of disease of family nature associated with content in the home decorative birds (parrots), bought in pet stores in the city.
The disease in birds can occur in both acute and obliterated. The acute form of the disease in birds is accompanied by lethargy, refusal of food, changes in appearance (dirty plumage, drooping wings, head, and closed eyes), often develops liquid (gray-green) manure, lacrimation, conjunctivitis.
When erased form of the disease (carrier) the appearance of birds is almost not changed, however, releasing the pathogen with the droppings, can be a source of human infection. During periods of egg laying or breeding Chicks, when cooled, poor nutrition, crowding, causing decreased immunity, subclinical form may give aggravation, accompanied by intense isolation of the pathogen into the environment.
People may get infected by psittacosis:
— air-dust (aerosol) by inhalation of contaminated air (dust, lint);
— contact, through the damaged mucous membranes and the skin;
— nutritional, by eating contaminated food.
The main clinical signs of psittacosis in humans are primary lung disease and General intoxication. The clinical picture is characterized by acute onset, rise in body temperature to 38 ° C, headache and muscle pain, catarrhal symptoms and the development of pneumonia. With proper and timely treatment, recovery occurs. The illness does not create a busy immunity and does not protect against reinfection.
For prevention of the disease psittacosis is necessary to observe following rules:
— avoid purchasing a decorative, songbirds and other birds Yes relevant document of the veterinary service attesting to the state of their health;
— in cases of suspected disease of psittacosis among birds kept in the home, immediately contact the veterinary station;
— avoid contact with diseased or suspected birds in the wild and in urban populations;
— cleaning of basements, attics, suburban areas after the winter season take in wet way with application of disinfectants (W/o chlorine bleach, 2% bleach, hot soapy-alkaline solution), protective goggles, cotton-gauze bandages, rubber gloves.
At revealing of signs of disease in birds or discovering dead birds should valuable to inform the state veterinary service.