VENOUS BED OF THE STOMACH OF YORKSHIRE PIGS IN POSTNATAL ONTOGENESIS
https://doi.org/10.52419/issn2072-2419.2024.4.343
Abstract
Pig farming is a promising area of animal husbandry in the context of import substitution, the number of enterprises that breed this breed of pigs is increasing. Yorkshire people have high fertility, early puberty, a large daily increase in body weight and the resulting products are not only meat-sucking, but also bacon. The stomach of pigs performs the following functions, such as: formation of gastric juice and enzymes; promotion of a food coma, followed by the formation of chyme; transportation to the duodenum. In addition, knowledge of the basics of the formation of the cardiovascular system is necessary for veterinary specialists engaged in various manipulations in the abdominal cavity. Blood drainage from the gastrointestinal tract is of great diagnostic importance in various diseases associated with the digestive system, such as: gastritis, gastroenteritis, gastric ulcer, intestinal obstruction, portosystemic shunts Cadaveric material for research was delivered to the Department of Animal Anatomy of the Federal State Budgetary Educational Institution of Higher Education of the Leningrad Region from the pig breeding complex. The objects are corpses of Yorkshire pigs of two age groups: newborns (1 day of postnatal ontogenesis) and 30 days from birth. To study the age and breed characteristics of the venous bed of pigs, a set of modern anatomical research methods was used: fine anatomical dissection; filling of the venous bed with latex followed by macromorphometry; vasorentgenography. In the course of our study, it was found that from the wall of the stomach in the area of its great curvature and large omentum, venous blood outflows into the right and left gastro-omentum veins, where the left gastro-omentum vein flows into the splenic vein, collecting blood from the wall of the stomach of its cardiac department and tissues of the spleen, and the right gastro-omentum the vein merges with the gastrointestinal duodenum to form the right gastric vein, diverting blood from the stomach wall of its pyloric section and the initial part of the duodenum. Numerous small veins of the diverticulum merge into the left gastric vein. This is an anatomical and topographic feature of the venous bed of Yorkshire pigs.
About the Authors
A. I. Polyanskaya
St. Petersburg State University of Veterinary Medicine
Russian Federation
Russian Federation
Polyanskaya A.I. – Assistant of the Department of Animal Anatomy
D. V. Vasiliev
St. Petersburg State University of Veterinary Medicine
Russian Federation
Russian Federation
Vasiliev D.V. – Candidate of Veterinary Sciences, Associate Professor, Associate Professor of the Department of Animal Anatomy
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Review
For citations:
Polyanskaya A.I., Vasiliev D.V. VENOUS BED OF THE STOMACH OF YORKSHIRE PIGS IN POSTNATAL ONTOGENESIS. International Journal of Veterinary Medicine. 2024;(4):343-349. (In Russ.) https://doi.org/10.52419/issn2072-2419.2024.4.343
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