E3S Web Conf.
Volume 210, 2020Innovative Technologies in Science and Education (ITSE-2020)
|Number of page(s)||7|
|Section||Livestock and Veterinary|
|Published online||04 December 2020|
Morphofunctional changes assessment in newborn piglets in early postnatal ontogenesis complicated by isoimmunization symptoms
Stavropol State Agrarian University, 355019 Stavropol, Serova str., d. 523, Russia
* Corresponding author: email@example.com
It is known that the pathological course of pregnancy is associated with a violation in the mutually dependent complex “mother-fetus” and leads to specific clinical consequences at the molecular-cellular, tissue, organ, organismic and population levels of the organization. Pathogenic action mechanism of the isoimmunization effect is very complex and still remains insufficiently deciphered. However, changes in the system of organs responsible for adaptation and survival play an important role in the pathogenesis of morphofunctional disorders associated with isoimmunization. Therefore, in farms where the fact of isoimmunization state is established, it is necessary to pay special attention to the creation of conditions that contribute to the normalization of the functional systems of adaptation of newborn animals. The material for research was the lungs, intestines, kidneys, and thymus. Only fresh material was examined. Samples up to 0.5 cm thick were taken for histological examination after forced slaughter. Fixation was performed with a neutral aqueous 10% formalin solution. Histological sections 4-6 microns thick were made from the obtained paraffin blocks, which were stained with hematoxylin and eosin for review purposes. When describing the morphofunctional state of organs, the structure, cellular composition, and condition of blood vessels were observed. Isoimmunization of sows during pregnancy is manifested by a characteristic clinical and morphological complex that differs from other infectious and non-infectious diseases. The most characteristic pathomorphological signs are: hypoplasia, delayed differentiation, dystrophic changes in the respiratory, digestive, urinary systems and organs of immunogenesis.
© The Authors, published by EDP Sciences, 2020
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