Pathomorphological changes in cats at panleucopenia.
DOI:
https://doi.org/10.31548/ujvs2019.01.027Abstract
On panleikopenia, mostly non-vaccinated animals are sick before the age of 2 years, but
most of the cats suffer from 1.5 to 6 months. It is established that for panleukopenia of cats typical sea-
sonal flow. More often this disease is registered in the spring-summer-autumn period, but peak occurs
in the summer.
During the pathoanatomical study, the most distinct changes were recorded in the small intestine and
lymphoid organs, due to the reproduction of the pathogen of infection. In all the dead animals, there were
changes in the thymus. In most cases, the thymus is atrophied, a sharp decrease in the number and mag-
nitude of the particles, a lack of division into cortical and brain substances. The spleen is slightly enlarged.
Microscopically, there was a decrease in the number of lymphoid nodes, the absence of reactive centers in
them, and the rarity of cellular elements. Lymph nodes are enlarged, hyperemic. Noticed swelling of the
stroma, expansion of sinuses, dilution of cellular elements, proliferation of reticular cells. Specific signs for
parvovirus infection of cats should be considered as well-defined inflammatory hyperemia of the serous
membranes and thickening of the wall of the empty and iliac gut as a result of hemorrhagic jejuno-ileitis.
Non-specific, but permanent clinical and morphological features of the disease are diarrhea and
dehydration. In the external examination of the dead bodies of animals, there were dehydration and
cachexia, loss of skin elasticity, dimness of the wool, dryness of the mucous membranes, subcutaneous
tissue and skeletal muscles, and the inclination of the eyeballs into orbit.
The death of animals for panleukopenia occurs as a result of hemorrhagic enteritis, and the direct
cause of death is a reflex respiratory arrest as a result of pulmonary edema against the background of
venous congestion in a small circle of blood circulation.
Keywords: cats, panleukopenia, pathoanatomical section, macroscopic changes, diarrhea, dehydra-
tion, hemorrhagic enteritis, posthumous diagnosis
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