Abstract
<jats:p>Poultry farming isoneof the fastestgrowingbranches of agricultureandoneof the mainlivestockindustries that ensure the country's foodsecurity.Birdsproduce a largeamount of high-valuefood in ashortperiod of time. For example, chicken, turkeyandquail meat is a foodproductwithdietarypropertiesand a veryhightastequality.And the meat of geeseandducks is a high-caloriefoodproduct.Poultrymeatcontains16-25%protein.A bird’s egg contains all the substances necessary for human life and has very high digestibility. In addition, in recent years, breeding in aviaries and nurseries has been initiated in the country to restore populations of endangered birds in the wild. Unfortunately, infectious diseases of various etiologies cause significant economic damage to farms. In some small private households, poor poultry management and failure to comply with veterinary and sanitary requirements lead to the emergence of various infectious diseases. One such disease is aspergillosis, caused by microscopic pathogenic fungi. Due to its frequent occurrence, aspergillosis ranks first among pathological conditions. The economic damage it causes to poultry farming is considerable, as mortality among young birds affected by aspergillosis can reach up to 90%. Because of the absence of clear clinical signs characteristic of avian aspergillosis, the disease is often misdiagnosed. The aim of this study was to investigate the seasonality of aspergillosis, its pathological morphology, and certain histochemical changes in aspergillosis in various domestic birds, as well as the parameters of infection with avian aspergillosis in household farms of the Turkestan region based on the collection of affected birds. To achieve these objectives, a survey study was conducted from March 2023 to August 2024 involving households affected by this disease. The diagnosis of the affected poultry was made on the basis of clinical, epizootological, pathoanatomic and microscopic procedures. A total of 307 head of birds from 38 household owners were examined. The average risk of morbidity was from the total examined 165 heads of adult chickens - 43 heads were infected, i.e. 26.1%, and of the examined 142 chickens, 54 heads or 38.1% were sick, respectively, while young birds had a higher risk of morbidity and mortality than adults.</jats:p>