Questions related to the peculiarities of the structure of the kidneys in productive animals are currently relevant, and affect such an apparatus as urination. The study of the structure of the organs of urination, in particular, the kidneys, their anatomy and histology in animals in species, breed and age aspects, expand the field of knowledge of veterinary specialists. This knowledge allows you to select an individual approach to a specific animal in the treatment of kidney pathology, thanks to the study of embryogenesis and the peculiarities of the development of this organ in neonatal animals. The aim of the study was to study the features of the histological structure of the kidneys in newborn one–day-old Yorkshire piglets, as well as to establish morphometric parameters of histostructures of this organ. Cadaveric material for the study was delivered to the Department of Animal Anatomy of the SPbGUVM from the Idavang Agro pig breeding complex in Nurma village, Tosnensky district of the Leningrad region. The objects for this study were newborn one-day Yorkshire piglets in the number of five males and females. The age was determined by the bonus cards and from the words of the chief veterinarian of the farm.To achieve this task, a complex of traditional anatomical research methods was used: fine anatomical dissection, histological, photographing and morphometry. Histological examination revealed that in Yorkshire piglets, the kidney on the incision has a cortical and cerebral substance, which is a densely intertwined compound consisting of epithelial tubules and tubules, between which renal corpuscles and blood vessels of various types are visualized. According to the results of the histological study, morphometric data for each anatomical structure in female and male piglets of this group are presented.

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