Maryna Lieshchova

Dnipro State Agrarian and Economic University · Department of Normal and Pathological Anatomy of Agricultural Animals

Cancer is a malignant tumor of epithelial nature.

The study of legal consciousness among students is predictable in a certain way and has the plenty good enough insights in science. The legal factor is key to their professional training, since the formed legal consciousness not only contributes to the understanding of legal norms, ethical standards and the avoidance of legal errors, but also forms...

Calcium propionate, as an approved food additive, is widely used as a mold inhibitor in food and feed. It is recognized as safe, but when metabolized in the gastrointestinal tract, it can affect the body’s metabolism both directly and indirectly through the intestinal microbiota. The effect of various doses of calcium propionate on the body of mode...

Background. Pharmacological correction of a high-fat diet is of great interest to prevent the development of obesity and hypertension. More and more research is being done on the preventive use of medicinal herbs for excess caloric intake. Objective. The aim of this study was to determine the general physiological effect of I. helenium rhizomes and...

Herbal preparations used in the treatment protocols of metabolic disorders are highly effective and less toxic than chemically synthesized ones. Melissa officinalis is a plant that is an example of phytotherapy and functional nutrition, which is associated with many physiological and functional effects, including antioxidant, sedative, anti-inflamm...

Medicinal plants are used in traditional, folk medicine and veterinary practice to treat and prevent exacerbations of chronic diseases, diseases of the cardiovascular and nervous systems, respiratory and digestive organs, liver, bile ducts, kidneys, urinary tract, to regulate metabolism and to boost immunity, etc. The therapeutic effect on the body...

The identification of cows and heifers in heat and their timely artificial insemination (AI) is an important issue for large dairy units. The objective of the research was to study the efficiency of insemination of oestrous Brown Swiss heifers using am automated heat detection system (AHD) compared to heat detection by visual observation (VO). The...

Obesity increases the risk of developing various pathological conditions such as metabolic syndrome, type 2 diabetes, non-alcoholic fatty liver disease, and cardiovascular disease. For mild correction and even treatment of obesity, drugs based on medicinal plants are increasingly being used. This work aims to determine the overall effect of Helichr...

Azodicarbonamide is an important chemical widely used in the industry as a blowing agent in the foam industry and in the food industry as a flour bleaching agent and a dough conditioner. The discussion about its biosafety is ongoing, in a number of countries, the use of azodicarbonamide is limited or even prohibited since a slightly carcinogenic ef...

The impact of excess fat and high-calorie intake on the human body is an acute problem for many economically developed countries. Modelling the effects on the health of rats of supplementing their diet with crushed seeds of Echinacea purpurea (L.) Moench and Sylibum marianum (L.) Gaertn was carried out in a laboratory experiment. In the control gro...

Research background: Rhodiola rosea (golden root) and Punica granatum (pomegranate), as well as a number of other species of medicinal plants, exert an array of biological effects: adaptogenic, antioxidant and anti-inflammatory. However, there are not enough contemporary studies of their influence on metabolic processes, especially in cases of imb...

Millions of tons of microplastics get into the environment, being eaten by many species of mammals and humans. One of the main types of plastic, polystyrene, and its monomer, bisphenol, have been fairly well studied in terms of their eff ects on metabolism, but changes in the intestinal microbiota under the infl uence of its addition to the diet re...

Herbal preparations recommended in the treatment protocols for metabolic disorders are highly effective and less toxic than chemically synthesized ones. Plants of the Lamiaceae family, in particular Lavandula angustifolia, are known and widely used in the treatment and prevention of many diseases in humans and animals. In a 30-day experiment on mod...

Aralia tincture (Aralia elata) is a well-known adaptogen, so most of its effects that influence the body are associated with the general properties of this plant's preparations. They are metabolic regulators that increase the body's ability to adapt to various environmental stressors and prevent occurring damage. The purpose of this work is to dete...

The meat productivity of animals, including rabbits, depends on many decisive factors, the main of which are the quality and type of feeding, housing conditions, the use of intensive rearing protocols and breed affiliation. Now in industrial rabbit breeding, improved hybrid crosses are preferred, which, in terms of their quality characteristics, ar...

Due to their durability, versatility and economy, plastic products are widely used in all spheres of human life. Despite the inertness of polymers, recent studies show the ability of microplastic to overcome natural tissue barriers, accumulate in the animal’s body, affect metabolism and change the intestinal microbiota, negatively affecting it. In...

Fatty acids (FA) have a variety of functions in animal bodies. They can be used as metabolic biomarkers, including in pathological conditions. Heat stress (HS) is accompanied by a drop in productivity in dairy cows, resulting from a negative energy balance (NEB), impaired biochemical processes in the body and suppressed immune system. The paper des...

Migrating grass awns are a common problem in dogs with a vegetative foreign body during the summer, requiring surgical intervention. This report presents treatment cases of migrating grass awns in four client-owned dogs (between the webs of the toes, in the cheek, abdomen area, and in the penis). Under ultrasonographic visualization, vegetative for...

The pharmacological effects of medicinal plants play a primary role in the mild correction of body weight in humans and animals, reducing the accumulation of fat in their bodies during a state of obesity. Origanum vulgare L. and Scutellaria baicalensis Georgi are widely used as food additives and medicinal plants, but their comprehensive physiologi...

Notre étude est basée sur l'effet du polluant Nickel sur les organes vitaux chez le lapin de la population locale de la région de Bir El Ater Wilaya de Tebessa, à la suite d'une déclaration des vétérinaires d'une mortalité subite des ovins de sud de Bir El Ater. L'administration d'eau de puit contenant une quantité de 0,01 Meq par litre de Nickel,...

This study was carried out to study the peculiarities of the topography, the macrostructure and the analysis of the structural and functional organization patterns of the parenchyma of the thyroid gland of dairy cows (local breed from the Souk Ahras region, Algeria). A complex of macroscopic and histological techniques was used, as well as immunohi...

Phytotherapy for the correction of excess body weight is widely used. However, a comprehensive study of herbal preparations on the organism of model animals has been carried out only for a few plant species. Supplementing the diet of rats with closely related sage species (Salvia officinalis L. and S. sclarea L.) against the background of high-fat...

Animal reproduction is one of the main factors limiting the efficiency of livestock production. Its optimal level is possibly achieved when certain conditions are created for animals. As reproduction is a complex reflex process depending on neuroendocrine regulatory mechanisms, the character and strength of stimuli, which, in turn, is due to a numb...

Choosing the optimal time of insemination of she-dogs is one of the urgent problems in the reproduction of dogs, because it causes fertility and can be the cause of artificially acquired infertility or low in fertility. To this end, a number of methods are used in practice, but none of them fully meets the requirements. Therefore, the question of c...

Plant food additives are becoming more and more popular and broadly applied products, though the information on risks they poses to the organism is limited and contradictive. Obesity and overeating are some of the commonest health issues around the world, and people are increasingly consuming workability-enhancing preparations as a simple and fast...

One of the key issues in solving the problem of mastitis is the therapy efficacy. It is important to find such treatments for animals that, along with pronounced antibacterial and other therapeutic properties, have no negative effects. Therefore, the aim of the work was to develop a method for treating goats with mastitis using ozonized materials –...

Racing pigeons are potential carriers of zooanthroponic diseases, since they can travel considerable distances during their flight. The study of the formation features of the pigeon skeleton’s hematopoietic function on different levels of its structural organization with the determination of the relationship between the growth and development of he...

In lymph nodes, as peripheral organs of the immune system, the patterns of their growth and development are unique in many ways, especially during the prenatal period of ontogenesis. The changes in the absolute and relative mass of lymph nodes in 66 bovine fetuses of different gestational ages (2–9 months) were studied. The weight of the fetuses an...

Identifying and eliminating factors that interfere with the nutrient absorption from feed is essential for successful poultry rearing. The nutritional value of feed mixtures used in the poultry industry can be increased by the use of enzyme supplements, in particular β-mannanase (Hemicell), which breaks down the anti-nutrients β-mannans that are pr...

Thymus of lambs of the Ouled-Djellal breed from eastern Algeria, aged one to 10 months, were used to study the anatomical, histological and cytological characteristics of these organs. Modern techniques have been used to demonstrate the morphometric parameters and masses of the thymus at different ages, a regression of the morphometric and mass ind...

Comparative morphology forces us to examine organized beings from a multitude of points of view, and must go hand in hand with the study of man. The structure known as anatomy and physiology of the animal's body have been singularly advanced by the discoveries that have been made on animals. Nature has endowed animals with various qualities by thei...

Despite significant progress in the study of the subtle mechanisms of interaction between cellular and molecular elements in immune responses, the general structure of the organs of the immune system, including the lymph node, has not been sufficiently studied, in particular in large farm animals. The lymph nodes of sexually mature camels have been...

The Lymph Nodes (LN) of Ouled-djellal sheep in Algeria were the subject of this study in order to establish the anatomo-topographical and histo-cytological characteristics of these organs, thus highlighting the different morpho-functional areas of the parenchyma of these lymph nodes, (somatic and visceral). Thanks to the X-ray, we were able to high...

We presented the blood serum biochemical parameters, physicochemical properties and chemical composition of muscle tissue in Large White weaners of British origin. We found that serum biochemical parameters in five months weaners were within the physiological norm (the content of total protein was 71.28 g/l (?V = 8.16%), creatinine concentration wa...

The anatomy and features of the histological structure of the components of the eye of a one-humped camel were investigated. Ultrasound examinations of the eye, determination of the iridocorneal angle with a gynoscope were carried out on live animals in the clinic after the introduction of eye drops (xylocaine 2%, atropine sulfate 3%). The conditio...

Abstract. The anatomy and features of the histological structure of the components of the eye of a one-humped camel were investigated. Ultrasound examinations of the eye, determination of the iridocorneal angle with a gynoscope were carried out on live animals in the clinic after the introduction of eye drops (xylocaine 2%, atropine sulfate 3%). Th...

Succinic acid and its salts (succinates) positively affect the oxygenation of the internal environment, stabilize the structure and functional activity of mitochondria, and normalize the ion metabolism in the cell. Separate clinical studies and experimental surveys confirmed that having low toxicity succinic acid has well-manifested antioxidant, im...

A number of lymph nodes and spleens of holy kids from the Annaba area were studied morphologically and histologically. The study carried out on the mass and morphometry of these organs. The use of standard and modern staining techniques has revealed to us the exact structure, histological and cytological structure of the different areas of the pare...

Succinic acid and its salts (succinates) positively affect the oxygenation of the internal environment, stabilize the structure and functional activity of mitochondria, and normalize the ion metabolism in the cell. Separate clinical studies and experimental surveys confirmed that having low toxicity succinic acid has well-manifested antioxidant, im...

The feeds grown in the research farm in the Steppe of Ukraine have the composition with a low concentration of vital microelements. Cuprum content in alfalfa haylage harvested in different years ranged from 1.66 to 3.11 mg/kg; in silage it was 0.70-1.17 mg/kg; in hay it was 6.71-11.01 mg/kg, and in semi-sugar beets the cuprum content was 1.17-2.04...

The dynamics of growth and development of the basic and additional centers of ossifi cation of bone organs gives an opportunity to fi nd out the patterns of change of their tissue components and subsequent age-related remodeling when performing biomechanical and hematopoietic functions. Features of morphogenesis of hematopoietic components of the ske...

Ten pairs of eyelids of adult, healthy cattle of the local breed from the region of Guelma, Algeria, were collected at the slaughterhouse in order to carry out research to determine the structure, the components and to make a comparison with the results of this subject in other ruminants, classical staining techniques such as Hematoxylin & eosin, M...

Despite significant progress in the study of the subtle mechanisms of interaction between cellular and molecular elements in immune responses, the general structure of the organs of the immune system, including the lymph node, has not been sufficiently studied, in particular in large farm animals. The lymph nodes of sexually mature camels have been...

Of particular importance in our time is the detailed study of morphology, physiology and biochemistry, the digestive system of new poultry crosses, which is the biological basis for the development of complete feeding and improving the productive qualities of the bird. The morphological aspects of the formation of the lymphoid structures in the bir...

In an experiment on the spleen of healthy lambs at two periods (prenatal and postnatal), using anatomo-topographic and histo-cytological research methods and with subsequent statistical analysis, it was found that the changes in the anatomical and histological structure related to the age of this organ, including during the early stages of the post...

The lymph nodes are organized lymphoid organs in which lymphocytes are located inside reticular stroma. The lymphoid parenchyma of lymph nodes is divided into separated cell zones, the most developed one is parenchyma in which the deep cortex located. The lymph nodes of small mammals, which are often used for laboratory research, The investigated l...

The two main pregastric compartiments of ruminants: rumen and reticulum work as anaerobic fermenter which allows them to use energetic and nitrogen substrates which are indigestible by monograstric animals. They have a major importance in this fermenter, also these microbes : bacteria, protozoa and fungi, on the degradation of cell-wall carbohydrat...

Pharmacological effects of the medicinal plant Aralia elata (Miq.) Seem. 1868 (Araliaceae) are related to presence of over 150 secondary metabolites, including flavonoids, sterols, polysaccharides, terpenoid saponins and terpenoid acids, though the main biologically active substances of A. elata are saponins and flavonoids. Some clinical tests and...

In this work the questions concerning the influence of pollutants on the water bioresources of the Dnipro (Zaporizhzhia) reservoir are considered. The results of researches of fish pollution in the Dnipro (Zaporizhzhia) reservoir concerning natural and artificial radionuclides are presented. The general β-activity is determined, the levels of accum...

Bilan, M. V., Lieshchova, M. A., Tishkina, N. M., & Brygadyrenko, V. V. (2019). Combined effect of glyphosate, saccharin and sodium benzoate on the gut microbiota of rats. Glyphosate is the main component of many broadly used herbicides due to its safety for humans and animals. It is known that the remains of glyphosate are present in allowable dos...

Goods of plastic, due to their durability, universality and economical properties are broadly used in all spheres of life. On the whole, polymers are inert and nontoxic, but in the process of their production, various additives are used, which on contact or introduction into an organism has a negative effect on it. In our study, we determined the i...

Фактори зовнішнього середовища та антропогенні чинники негативно впливають на організм новонароджених тварин, особливо з незавершеним морфофункціональним статусом, що нерідко призводить до зниження резистентності і розвитку імунодефіцитних станів. Досліджували стегнову кістку, 9-й грудний хребець, тимус поросят протягом раннього постнатального онто...

Herbicides and food additives are included in many food products for humans. Non-used products or products beyond their expiry date are deposited in places of utilizatioin of solid municipal wastes, where they can take effects on the organisms of mouse-like rodents. Among the herbicides, glyphosphate takes first place in the world for volume of pro...

Tumors (neoplasia) is a widespread pathology among domestic animals that live in close proximity to humans. They are affected by the same ecological, technogenic, fodder, climatic and other factors. Therefore, any information on the incidence, etiology, peculiar signs, the course of neoplasias in small domestic animals is relevant for comparative o...

Sausage products are the main type of meat products due to their high nutritional value and energy content, high gustatory qualities, long storage conditions and the possibility of their consumption without heat treatment. The main condition for the possibility of meat products commercialization is to achieve their safety when consumed by people. M...

Evert, V.V., Gavrilin, P.M., & Lieshchova, M.O. (2018). Morphometric characterization of universal hematopoietic organs in piglets during postnatal adaptation. Scientific Messenger Hematopoietic bone marrow is universal blood forming organ and site of antigen independent proliferation and differentiation of B-lymphocytes in mammals. This function i...

The article analyzes the regularities of the formation and development of the lymphoid lobules of the parenchyma of the somatic (Limphonodi cervicales superficiales) and visceral (L. jejunales) lymph nodes in domestic cattle in the fetal period of ontogenesis. We used routine histological techniques and author's modification of the impregnation of...

The aim of the study was to establish the degree of the development of the bone marrow and activity of its hematopoietic function by the morphometric parameters of the bones, where it is localized, and the centers of ossification in conjunction with the development of cartilage and bone tissue, define the features of the histo- and cytoarchitectoni...

The architecture of the lymph node dromedary (Camelus dromedarius) differs from that shown in the conventional patterns of other mammalian animals, generally formed of a plurality of aggregates, the latter are surrounded by a connective tissue which extends over the whole area surface lymph node and each cluster is a node itself. Vascular distribut...

Досліджували соматичні і вісцеральні лімфатичні вузли (ЛВ) статевозрілих одногорбих верблю дів (Camelus dromedarius), використовуючи комплекс рутинних морфологічних і імуногістохімічних методик. Метою дослідження було встановлення особливостей гістоархітектоніки паренхіми ЛВ в цілому, синтопії окремих клітинних зон паренхіми та закономірностей будо...

The study was conducted to elucidate the characteristics of the topography and the macrostructure of some somatic and visceral lymph nodes of the dromedary (Camelus dromedarius) in Algeria. A group of 30 camels, aged from 06-09 months, localized in southern of Algeria, were served in this study. The animals used were healthy, controlled by the vete...

The study was conducted to elucidate the characteristics of the topography and the macrostructure of some somatic and visceral lymph nodes of the dromedary (Camelus dromedarius) in Algeria. The comparative between three breeds of camels: the Chambi belongs to region of the El Oued, Ouled Sidi Cheikh, breed in the region of Ghardaia and Tuareg breed...

This study was conducted to investigate the special features of topography and macrostructure of some somatic and visceral lymph nodes of the dromedary (Camelus dromedarius). The result of the study demonstrated that the arrangement and the morphometric characteristics of some lymph nodes of camel correspond to the analogical indices of cattle. At...

Установлены закономерности структурно-функциональной дифференциации, специализации и интеграции паренхимы периферических лимфоидных органов у продуктивных зрелорождающш млекопитающих с плацентой десмохориалъного типа в пренатальном периоде онтогенеза (на примере вида Bos primigenius taurus L.j. Выяснено, что в лимфатических узлах и селезенке быка д...