ПИТОМА ВАГА ВИПАДКІВ ЛАТЕРИЗМУ В ІНДИКІВ ВАЖКИХ КРОСІВ ЗА ПРОМИСЛОВОГО УТРИМАННЯ

H. A. Zon; L. B. Ivanovska; I. D. Maykovskiy

doi:10.32782/bsnau.vet.2024.4.4

H. A. Zon Sumy National Agrarian University https://orcid.org/0000-0001-8205-4149
L. B. Ivanovska Sumy National Agrarian University https://orcid.org/0000-0001-7406-0696
I. D. Maykovskiy Sumy National Agrarian University https://orcid.org/0009-0008-7803-3570

DOI: https://doi.org/10.32782/bsnau.vet.2024.4.4

Keywords: turkey diseases, crosses, aortic rupture, laterism, pathologies of the cardiovascular system of turkeys, pathological diagnosis of poultry disease

Abstract

The work is devoted to one of the aspects of the pathology of cardiovascular systems laterism (rupture of the aorta and its branches) in heavy cross turkeys. The literature review highlights the history of studying this issue in industrial turkey farming. Literary sources regarding the establishment of etiological factors and triggers, which under modern conditions are able to contribute to the emergence of this pathology in turkeys, are critically studied. The information of various researchers regarding the pathoanatomical and pathomorphological changes in laterism in turkeys and the direction of correction of this pathology was evaluated. The aim of the work was to evaluate the spectrum of the main pathological changes detected during the growing period of converter heavy crosses Converter and Big 6 turkeys in a comparative aspect, and to establish their possible influence on the occurrence of sudden death from vascular ruptures. It was established that despite the use of modern preventive measures (compliance with sanitary and hygienic requirements for keeping and feeding with the use of copper chelating compounds, etc.), cases of sudden death due to rupture of blood vessels are registered in male turkeys of two heavy crosses, older than 13 weeks. However, the final calculations indicate that the number of cases of the specified pathology can vary significantly in different batches of poultry. A significant difference in the number of cases was found when comparing the number of sudden deaths from internal hemorrhages in males of different breeds. If the number of cases of ischemic processes and dilatation of the heart among the Big 6 cross turkeys was 5.5 times greater, the death from aortic rupture was significantly less (by 350 cases among the studied) than among the Converter cross turkeys. Among other diseases, dystrophic changes in turkeys prevailed (in the myocardium, liver, cartilage tissue), stagnant processes in the vessels of the large circulatory circle, in the liver, lungs, as well as various levels of inflammatory processes in the intestines, joints, ligaments).

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SPECIFIC GRAVITY OF CASES OF LATERISM IN HEAVY-CROSS TURKEYS UNDER INDUSTRIAL KEEPING

Abstract

References