E3S Web Conf.
Volume 176, 2020International Scientific and Practical Conference “From Inertia to Develop: Research and Innovation Support to Agriculture” (IDSISA 2020)
|Number of page(s)||7|
|Section||Actual Problems of Veterinary Medicine|
|Published online||22 June 2020|
Enzootic bovine leucosis in cows on farms in Almaty and Turkestan regions of Kazakhstan
1 Kazakh National Agrarian University, 050000 Almaty, Kazakhstan
2 Kazakh Research Veterinary Institute, 050016 Almaty, Kazakhstan
* Corresponding author: firstname.lastname@example.org
The objective of this study was to evaluate pathomorphological and histopathological characteristics of internal organ tissues and skeletal muscles of Black-Motley cows with bovine laeukemia necropsied between 2013 and 2017. Pathomorphological and histopathological assessment of enzootic bovine leukosis was performed. The viral presence was proved by haematological study, enzyme-linked immunosorbent assay and agar-gel immunodiffusion. There was the pathomorphological manifestation of an immunosuppressive condition in the cattle, as well as leukemic cell accumulations in the brain, kidneys, duodenum, spleen, lymph nodes, cardiac and skeletal muscles. Our study is considered to bear significance concerning the description of microstructural changes involving lymph node trabeculae and myocardial fibres from leukemic cows. This investigation, therefore, provides new knowledge on histopathological features of enzootic bovine leucosis, which potentially may bring new insights into the disease mechanisms.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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