scholarly journals Efficiency of using a feed additive based on malt extract under stressful conditions

2021 ◽  
Author(s):  
O.A. Tishina ◽  
N.I. Yarovan
Keyword(s):  
Total Protein ◽  
Protein Metabolism ◽  
Recovery Period ◽  
Great Influence ◽  
Free Radical Oxidation ◽  
The State ◽  
The Body ◽  
Stress Factors ◽  
Feed Additive ◽  
Malt Extract

The article presents the results of studying the degree of digestibility of a feed additive based on malt extract in animals. The question of the importance of a diet with a high content of nutrients is raised. The type and quality of feeding has a great influence on the body of animals. Only with full-fledged feeding and the creation of conditions for animals that meet their biological characteristics, it is possible to ensure intensive growth and long-term maintain high productivity due to hereditary data. The article also points out the importance of the use of plant antioxidants and adaptogens when the body is exposed to stress factors. An important non-specific trigger mechanism of the stress reaction is the activation of free radical oxidation, in particular lipid peroxidation, which leads to a violation of structural membranes and membrane enzymes. The article shows the possibility of using antioxidants in animals during the recovery period after the received stress factor. The concentration of total protein and the content of its fractions indicate the appropriate level of protein nutrition. Also, the study of these indicators characterizes the functional state of the liver, which is involved in the metabolism of substances, including protein. Total protein is an individual constant indicator that reflects the state of protein metabolism of the body, and, in this regard, is considered as the main link in the control of the digestibility of feed. Protein metabolism has a wide specificity and determines the state of carbohydrate and lipid metabolism. All metabolic transformations, anabolism and catabolism of organic substances are closely interrelated, coordinated and regulated by neurohormonal mechanisms, directing chemical processes in the right direction. The metabolism is not divided into the exchange of proteins, lipids and nucleic acids, but is a single metabolic process. The greatest positive effect was obtained when using malt extract in addition to the main diet in feeding. Also, good results were obtained when applying flaxseed oil and malt extract to the main diet.

scholarly journals Dynamics of changes in protein metabolism rates in cows depending on the season of the year and the location of the farm

2019 ◽  
Vol 21 (93) ◽  
pp. 164-168
Author(s):  
U. M. Vus ◽  
O. V. Kozenko
Keyword(s):  
Total Protein ◽  
Protein Metabolism ◽  
Ecological Status ◽  
The State ◽  
The Body ◽  
State Chemical ◽  
High Level ◽  
And Function ◽  
Internal And External Factors ◽  
Autumn And Winter

Protein metabolism in animals is perhaps the most informative indicator of anthropogenic environmental pollution, because it provides an opportunity to characterize metabolic processes in the body. They are of the utmost importance for the structure and function of all cells, tissues and organs. Proteins reflect the state of the organism, as well as those changes that occur in it under the influence of internal and external factors. We studied the dynamics of changes in indicators in protein metabolism in cows depending on the season of the year and the location of a farm. The research was carried out in two farms of the Lviv region: the Danylo Halytskyj LLC, near the State Mining and Chemical Enterprise “Sirka”, and FE “Lelyk” of Zhovkva district, in spring, summer, autumn and winter periods of keeping. The object of research was the blood of 20 cows of Ukrainian Black-Spotted breed. According to the results of the research, a reduction in total protein, relative to the physiological norm of 0.45 g/l. in spring, and by 0.64 g/l in the summer, dysproteinemia, a high level of gamma globulin fraction (50.30%) in cows from the Danylo Halytskyj farm, located in the zone of influence of the State Chemical Medicine Plant “Sirka”. In animals FE Lelyk, located in the conventionally clean zone, this indicator was significantly higher, and was 76.14 g/l in spring, and 78.17 g/l in summer, and also in animals of this farm dysproteinemia was not observed. In the autumn, at the end of the summer grazing period of the keeping, the index of total protein tended to decrease in the animals of the Danylo Halytsky's Ltd., and in winter it was normalized and invested in the limits of the physiological norm. Albumin fraction of protein in this group of animals, throughout the search period, had a tendency to increase. In the cows of the FE “Lelyk”, the indices of protein metabolism were within the limits of the physiological norm in all periods of research, with the inherent fluctuations in the season of the year. The obtained results due to the content of total protein and protein fractions in the plasma of blood of cows kept in territories with different ecological status indicate that the effect of the activity of the State Chemical Medicine Plant “Sirka” is sufficiently strong on the organism of animals.

scholarly journals Dynamics of individual indicators of protein metabolism in the body of broiler chickens on the background of combined stress when included in the diet “Reasil Humic Vet” + “Laktin” and “Reasil Humic Health”

2020 ◽  
Vol 3 (2) ◽  
pp. 42-46
Author(s):  
V. G. Stoyanovskyy ◽  
M. O. Shevchuk ◽  
I. A. Kolomiiets ◽  
V. A. Kolotnytskyy
Keyword(s):  
Total Protein ◽  
Protein Metabolism ◽  
Broiler Chickens ◽  
Stress Factor ◽  
The Body ◽  
Control Group ◽  
Total Protein Content ◽  
Combined Stress ◽  
Stages Of Development ◽  
Γ Globulins

The body of  broiler chickens is characterized by a high metabolism, which promotes rapid growth and development, but their performance indicators are largely related to housing conditions, which are known to include a number of technological stressors. With the development of stress in the body of poultry changes the course of metabolic processes, which causes changes in all types of metabolism, including protein. The aim of the study was to determine the changes in individual indicators of protein metabolism in the body of broiler chickens against the background of combined stress when included in the diet “Reasil Humic Vet” + “Laktin” and “Reasil Humic Health”. At 13th day of life, all clinically healthy poultry were exposed to combined stress – revaccination (intranasal Newcastle disease) plus cold stress (for 60 minutes by air conditioning and 5 °C in the vivarium). Material for research was selected for 3 days after the action of the stress factor (stage of anxiety), 13, 20 and 26 days after the action of the stress factor (the resistance stage). The material for the study was blood plasma, which determined the concentration of total protein, as well as the content of albumin, globulin fraction (α1, α2, β, γ). It was found that 3 days after the action of stress in chickens of Control group the development of adaptive reactions is manifested by the stability of the total protein content and redistribution of the fractional composition of plasma globulins in the form of increased albumin and α2-globulins. At different stages of development of the stage of resistance in birds of Control group, the content of total protein decreases by an average of 14.6 % due to the content of albumin by 6.9 % and α2-globulins – by 15.9 %, against the background of increasing α1- and γ-globulins by 23.1 and 33.5 % with the stabilization of individual studied indicators at the final stages of development of the resistance stage. The use in the diet of broilers feed “Reasil Humic Vet”, probiotic feed supplement “Laktin”, feed “Reasil Humic Health” under the influence of complex stress helps to increase the intensity of protein metabolism in poultry with the development of adaptation syndrome, as evidenced by the growth of total protein on average by 37.8 % (P < 0.05) and albumin – by 17.0 % (P < 0.05), which indicates an increase in the intensity of protein-synthesizing properties of the organism. In different periods of stress in the blood of broiler chickens Research groups there is an increase in the ratio of individual protein fractions, especially the content of γ-globulins - an average of 21.3 % (P < 0.05), which indicates an increase in the immune status of their body with a predominance of numerical values in the Research 1 group of poultry.

DYNAMICS OF SERUM PROTEIN CONTENT AND PRODUCTIVITY OF CHICKENS WITH DIFFERENT TONUS OF THE AUTONOMIC NERVOUS SYSTEM

2021 ◽  
Vol 12 (4) ◽  
Author(s):  
A. A. Studenok ◽  
◽  
E .O. Shnurenko ◽  
V. O. Trokoz ◽  
V. I. Karposkyi ◽  
...  
Keyword(s):  
Nervous System ◽  
Body Weight ◽  
Autonomic Nervous System ◽  
Total Protein ◽  
Protein Metabolism ◽  
High Reliability ◽  
Negative Relationship ◽  
The Body ◽  
Main Role ◽  
Autonomic Nervous

The main role in maintaining the functioning of the body, its growth, and development belongs to protein. It is involved in the formation of the muscular skeleton and is s part of enzymes, neurotransmitters, hormones. The effect of the autonomic nervous system on total protein metabolism has not been sufficiently studied. It is known that the autonomic nervous system is a structure that is responsible for the homeostasis and stability of the whole organism. It participates in the regulation of the heart, endocrine and external secretion glands, gastrointestinal tract, excretory organs, and more. In our studies, it was found that in chickens of Cobb 500 strain with different tones of the autonomic nervous system during the growing period from the 35th to the 60th day, different contents of total protein, albumin, and globulins were observed and different body weights were recorded. Vagotonic chickens showed the lowest protein metabolism at the age of 35 and 45 days (P ˂ 0.05–0.001) compared with sympathicotonics and normotonics, which tended to increase between 35 and 60 days of rearing compared with other groups of birds, where the studied protein fractions on the contrary decreased. Correlations between total protein, albumin, and bird body weight had a high linear relationship in all groups of chickens (P ˂ 0.05–0.001) and a negative relationship between the 45th and 60th days of rearing in sympathicotonics and normotonics. In birds with a predominance of parasympathetic tone of the autonomic nervous system, this correlation maintained its direction with high reliability (P ˂ 0.05) between body weight and total protein on the 60th day of rearing.

scholarly journals The effect of sodium selenite and feed additive “Metisevit plus” on the protein-synthesizing function and functional state of the liver of rats under prolonged cadmium and lead loading

2020 ◽  
Vol 22 (100) ◽  
pp. 54-59
Author(s):  
S. О. Slobodian ◽  
B. V. Gutyj ◽  
D. F. Gufriy ◽  
P. S. Hnativ ◽  
S. D. Murska
Keyword(s):  
Liver Function ◽  
Functional State ◽  
Total Protein ◽  
Sodium Selenite ◽  
The Body ◽  
Feed Additive ◽  
Control Group ◽  
Physiological Values ◽  
Cadmium And Lead ◽  
Experimental Group

In the conditions of modern technogenic pollution of the environment, environmental problems, improving the quality of livestock products and their food safety is an important and urgent issue today. Pollution of the environment with heavy metals due to man-made activities of the population has led to a number of problems of agricultural production. The aim of the study was to investigate the effect of sodium selenite and feed additive “Metisevit plus” on the protein-synthesizing function and functional state of the liver of rats in lead-cadmium intoxication. It was found that the level of total protein in the blood of rats exposed to cadmium and lead was reduced. These changes were due to a decrease in albumin levels and an increase in globulin levels. Thus, hypoproteinemia resulting from cadmium and lead poisoning may indicate impaired hepatic protein synthesis. Transamination enzymes play a major role in the relationship between protein and carbohydrate metabolism, which is important for switching the oxidation of energy substrates from glucose to amino acid energy nutrition, which is extremely important under the influence of various environmental factors. The most active transaminases are aspartate aminotransferase and alanine aminotransferase. In the study of the activity of aminotransferases in the serum of rats treated with lead acetate and cadmium chloride, an increase in the activity of enzymes in all periods of the study. The highest activity of aminotransferases was on days 21 and 28 of the experiment in the control group of rats, which carried out the combined load of cadmium and lead. Thus, the load of the body of animals with cadmium and lead contributes to the violation of the functional state and protein-synthesizing function of the liver of animals of the experimental groups. With the introduction of sodium selenite into the body of rats, the activity of ALT and AST in the serum of the first experimental group was slightly reduced compared with the control group. However, the activity of these enzymes did not reach physiological values. When setting the feed additive “Metisevit plus” throughout the experiment, it was found that the activity of aminotransferases in the serum of rats of the second experimental group ranged within physiological values. This is due to the hepatoprotective effect of the components of the feed additive “Metisevit Plus”. In the study of protein-synthesizing function of rat liver in experimental lead-cadmium toxicosis, it was found that after application to rats of the first experimental group of sodium selenite on days 14, 21 and 28, the level of total protein in serum gradually increased, but did not reach physiological values. Using the feed supplement “Metisevit plus” rats of the second experimental group, found a slightly higher level of total protein in their blood, which on the 28th day of the experiment reached physiological values and, accordingly, amounted to 66.8 ± 1.99 g/l. It should be noted that when administering the feed additive “Metisevit plus” protein-synthesizing liver function and liver function of rats of the second experimental group were restored faster than when administering sodium selenite to the first experimental group.

AUTOMATED WORKPLACES FOR FUNCTIONAL DIAGNOSTICS OF ATHLETES

2021 ◽  
Vol 4 ◽  
pp. 137-149
Author(s):  
Nataliya Aralova ◽  
◽  
Larisa Shakhlina ◽  
Albina Aralova ◽  
Svetlana Kalytka ◽  
...  
Keyword(s):  
Annual Cycle ◽  
Sports Medicine ◽  
High Performance ◽  
Recovery Period ◽  
General Characteristic ◽  
The State ◽  
The Body ◽  
Information Support ◽  
Functional Diagnostics ◽  
Respiratory Gases

One of the most important tasks in modern sport's training for the sport of highest achievements is the ability to control the state of the athlete's body in the process of training and competitive activities. For this purpose, the use of systems registering and analyzing information about the functional capabilities of an athlete in the dynamics of his activity, allows you to provide an individual approach when planning and correcting training loads. This is especially important for medical and pedagogical examination. The development of methods and means for increasing physical performance and, in particular, in the practice of high-performance sports, is one of the most important principles of modern sports medicine, physiology of labor and sports. In the practice of modern sports medicine, when carrying out mass examinations of athletes, the approach based on the proposed A.Z. Kolchinskaya concept on the regulation of the body's oxygen regimes, which allows to give a general characteristic of gas homeostasis, to diagnose the main syndromes associated with disorders of the transport of respiratory gases in the body, to assess the functional state of the body at all stages of the annual cycle of sports training and during the post-exercise recovery period. Since this work is associated with a large number of calculations and subsequent processing of the information received, it is necessary to use modern means of modern information support. Thus, the automated information system (AIS) for the functional diagnostics of athletes allows many times to speed up the processing of data obtained during the examination of athletes, centrally accumulate information for its preprocessing, storage and collective use of the AIS, is equipped with convenient services for graphical and tabular presentation of data, allows analyzing the dynamics of functional the state of athletes in the annual cycle of their training, as well as at the stage of the 4-year training Olympic cycle.

scholarly journals The effect of cysticercosis invasion on the protein metabolism and cellular immunity of rabbits

2021 ◽  
Vol 23 (1) ◽  
pp. 7-11
Author(s):  
Y. V. Duda ◽  
Keyword(s):  
Cellular Immunity ◽  
Total Protein ◽  
Protein Metabolism ◽  
The Body ◽  
Total Protein Content ◽  
Blood Proteins ◽  
Visual Identification ◽  
Γ Globulins ◽  
Inflammatory Processes ◽  
Healthy Control

The composition of blood proteins depends on the functional state of animals, as well as on various pathologies. The goal of the work was to establish the effect of cysticercosis invasion on the protein metabolism and cellular immunity of rabbits. Rabbits were divided into two groups after visual identification of the larval cysts presence: healthy (control) and diseased (experimental). Biochemical blood tests were performed using reagent sets produced by “Filisit-Diagnostika” (Ukraine). Spontaneous cysticercosis invasion of male rabbits caused changes in protein metabolism. The content of total protein in infected animals was higher by 8.79% (P<0.05) than in control. The increase in the total protein content was due to the globulin fraction, which was 1.50 times (P<0.05) higher in affected animals than in healthy rabbits. This rise occurred as a result of a high content of γ-globulins, both in absolute value by 1.69 times (P<0.05), and in percentage by 1.51 times (P<0.05). The albumins, which are completely synthesized by liver, were lower by 10.08% (P<0.05) in rabbits with cysticercosis. The protein coefficient of experimental animals was lower by 43.89% (P<0.05) compared with the control. The concentration of uric acid in diseased rabbits was lower by 34.09% (P<0.05) than in healthy ones. We have observed a high number of T-, B-lymphocytes and T-helper cells, especially the last two indicators, which increased respectively 1.54 times (P<0.01) and 1.36 times (P<0.05) against the background of a low number of T-suppressors and O-lymphocytes — almost 5 times (P<0.001) in affected animals than in healthy rabbits. In our opinion, such changes in the proteinogram and cellular immunity indicate the intensification of immune reactions in the body of rabbits infected with the Cysticercus pisiformis as a result of inflammatory processes that occur in the liver under the action of a mechanical, toxic effect of the helminths.

Assessment of the Adequacy of Amateur Sports by the Functional Status of Students

2021 ◽  
pp. 60-66
Author(s):  
RS Rahmanov ◽  
ES Bogomolova ◽  
YuG Piskarev ◽  
DV Nepryakhin ◽  
VE Tsaryapkin
Keyword(s):  
Physical Activity ◽  
Functional Status ◽  
Cardiovascular System ◽  
Total Protein ◽  
Recovery Period ◽  
Physical Development ◽  
The Body ◽  
Functional Changes ◽  
Energy Expenditures ◽  
Creatine Kinase Mb

Background: In the right dose, physical activity can bring health benefits. Objectives: To assess indicators of health and physical development of students engaged in amateur sports. Materials and methods: The study involved 30 male students aged 23.8 ± 0.3 years. We established their daily energy expenditures, integral indices characterizing their physical development, such as body weight, Pignet, strength, vitality, and Kerdo vegetative indices, endurance rate, circulatory efficiency, and the index of functional changes. We also analyzed cardiovascular system parameters including heart rate, systolic and diastolic blood pressure at rest, after exercise and after exercise recovery. Results of the biochemical blood test taken the next morning after workout were used to evaluate the status of functions and systems of the body. Results: Energy expenditures amounted to 3,665.5 ± 37.3 kcal. Students were physically strong, their functional capabilities of the respiratory system and adaptation to sports (according to the activity of the parasympathetic autonomic nervous system) were found satisfactory while their physical activity was assessed as high (hard work). In the body, catabolic processes prevailed, and the level of cortisol exceeding the norm in 50.0 % of the subjects indicated stress. Inadequacy of physical exercises was evidenced by the index of functional changes (in 57.7 % of the students adaptation was in the state of functional stress); reaction of the cardiovascular system (endurance and heart rates, circulatory efficiency, creatine kinase MB, troponin-1, ALT, and LDH); increased erythropoiesis; hormonal changes (cortisol, testosterone); changes in the metabolism of proteins (total protein, urea, uric acid), fats (total cholesterol, high- and low-density lipoproteins), and hormones (cortisol, testosterone); signs of an early stage of anemia (erythrocytes, total protein, ferritin). Conclusion: The use of the methodology for assessing the functional status of the human body by integral and biochemical criteria during recovery period after exercise enables pre-nosology diagnostics and prevention of health disorders during active sports.

scholarly journals Correction of the state of antioxidant protection system of the fowl’s organism under the circumstances of being poisoned by Derosal

2020 ◽  
Vol 22 (98) ◽  
pp. 46-50
Author(s):  
O. S. Kochevenko ◽  
I. O. Zhukova ◽  
O. M. Bobrytska ◽  
I. O. Kostiuk ◽  
L. A. Vodopyanova
Keyword(s):  
Superoxide Dismutase ◽  
Free Radical ◽  
Free Radical Oxidation ◽  
The State ◽  
The Body ◽  
Superoxide Dismutase Activity ◽  
Antioxidant Protection ◽  
Diene Conjugates ◽  
Active Forms Of Oxygen ◽  
Radical Oxidation

In fact, Free radical oxidation is one of the required factors of homeostasis as far as the active forms of oxygen, which have unpaired electron, perform useful functions, they are necessary intermediaries of numerous processes of normal cells’ functioning such as biosynthesis of prostaglandins and leukotriene as well as other biologically active substances. Also, they take part in pathological processes such as: inflammation, fever and others. Free radical oxidation is the process of direct oxygen transferring to the substrate forming peroxide, ketones, aldehydes, etc. Some amino acids, proteins, water and carbohydrates prone to the processes of peroxidation, but crucial place is granted to lipids at the expanse of fatty acids which are included to their composition. The article highlights the information concerning the analysis of the state of antioxidant system of hens in the process of feeding them with subtoxic doses of fungicide of Derosal (BAYER, Germany) (0.1 LD50 for a fowl, 900 mg/kg of the body mass) which active ingredient is benzimidazole carbamate (carbendazim, BMC). It presents the changes of these indicators in the process of using pharmacological and natural antioxidants. The analysis has figured out that giving Derosal to the hens without corrections (II group) has been followed with the activation of the process of lipids’ peroxidation (POL) in the blood plasma, that is followed with the increase of concentration of primary and secondary lipoperoxidation products – diene conjugates (DC) and TBA-active products on the average up to 21.0–25.0 %, catalase activity – up to 38.5 % and decrease of superoxide dismutase activity (SOD) up to 21.8 % and АОА – up to 17.8 %, that shows the adverse effects of pesticides on the system of antioxidant protection of the organism. In the fowls’ groups III, IV and V the adding of antioxidant E-selenium, ascorbic acid and thermally untreated buckwheat seeds as the source of  quercetins and anthocyanins has led to the induction of antioxidant resources that is shown by the decrease in comparison with the control of content of diene conjugates, malonic dialdehyde and catalase (in average up to 13.6–33.6–18.0 % accordingly) and compensatory strengthening of superoxide dismutase activity and general activity of antioxidant (АОА) on the average up to 44.9–72.1–76.5 % and 15.3–13.4–21.7 % accordingly. In comparison with group II the activity of catalase has been lower as well as the activity of superoxide dismutase has been higher in all the groups almost in 1.5–2 times (Р ≤ 0.001).

scholarly journals Evaluation of the use of feed additives of humic nature by indices of leukocytes in rats after combined stress

2019 ◽  
Vol 77 (1) ◽  
pp. 16-21
Author(s):  
L. Diachenko ◽  
L. Stepchenko
Keyword(s):  
Body Weight ◽  
Vitamin E ◽  
Feed Additives ◽  
The Body ◽  
Stress Factors ◽  
Feed Additive ◽  
Control Group ◽  
Combined Stress ◽  
Active Forms Of Oxygen ◽  
Functional Changes

In response to the action of stress factors of different genesis in a living organism, a cascade of adaptive responses, which can neutralize functional disorders of homeostasis, is triggered. Combining the effects of various stress factors can cause excessive formation and accumulation of active forms of oxygen, which entails a number of pathological conditions that create the preconditions for the development of a large number of diseases. One of the indicators of the development of adaptation and the integral indicator of the body's state is the blood system, especially the leukocytic formula, whose redistribution makes it possible to analyze the nature of the effect and estimate the intensity of adaptive processes in the body due to functions that perform different forms of leukocytes. Leukocyte indices in which the parameters of the leukocyte formula were used, allow assessment of the degree of endogenous intoxication, the development of resistance and the character of cellular immunity for the influence of stress factors on the organism of animals and humans.The article considers the possibility of evaluating the preventive effect of natural antioxidants of humic nature on indices of leukocytes on the organism of rats after the influence of combined water-immobilization stress (WICS). for this, the animals were divided into five groups of 6 animals: 1- group of intact animals (control); 2-5 – experimental groups. Animals of all experimental groups were additionally received orally, individually with the help of a probe for 18 days, water, feed additives "Humilid" (at 5 mg / kg of body weight per active ingredient), "Eco-Impulse Animal" (at a rate of 2.5 mg / kg body weight) and vitamin E (at a rate of 50 mg / kg body weight). In animals, 2, 3, 4 and 5 groups simulated stress. It has been established that the effects of water-immobilization combined stress on blood of rats lead to the growth of cells of the leukocyte series, mainly due to the increase of eosinophils and rod-neutron neutrophils. The use of natural antioxidant, a feed additive "Humilid" in the pre-season period causes a decrease in the number of leukocytes by 41% compared to values in animals that received purified water during this period and did not differ from those in intact animals. The change in leukocyte indexes indicates functional changes in the body and the presence of a neutrophilic shear on the background of WICS in rats. Also, the effect of WICS leads to the release of the younger forms of neutrophils in the bloodstream, an increase in both the percentage of eosinophils and the quantitative. For preventive use of feed additives of humic nature, "Humilid" and "Eco-Impulse Animal" and vitamin E, the studied parameters are close to the values of the control group.

DYNAMICS OF SERUM PROTEIN CONTENT AND PRODUCTIVITY OF CHICKENS WITH DIFFERENT TONUS OF THE AUTONOMIC NERVOUS SYSTEM

2021 ◽  
Vol 12 (4) ◽  
Author(s):  
A. A. Studenok ◽  
◽  
V. O. Trokoz ◽  
Keyword(s):  
Nervous System ◽  
Body Weight ◽  
Autonomic Nervous System ◽  
Total Protein ◽  
Protein Metabolism ◽  
High Reliability ◽  
Negative Relationship ◽  
The Body ◽  
Main Role ◽  
Autonomic Nervous

The main role in maintaining the functioning of the body, its growth, and development belongs to protein. It is involved in the formation of the muscular skeleton and is s part of enzymes, neurotransmitters, hormones. The effect of the autonomic nervous system on total protein metabolism has not been sufficiently studied. It is known that the autonomic nervous system is a structure that is responsible for the homeostasis and stability of the whole organism. It participates in the regulation of the heart, endocrine and external secretion glands, gastrointestinal tract, excretory organs, and more. In our studies, it was found that in chickens of Cobb 500 strain with different tones of the autonomic nervous system during the growing period from the 35th to the 60th day, different contents of total protein, albumin, and globulins were observed and different body weights were recorded. Vagotonic chickens showed the lowest protein metabolism at the age of 35 and 45 days (P ˂ 0.05–0.001) compared with sympathicotonics and normotonics, which tended to increase between 35 and 60 days of rearing compared with other groups of birds, where the studied protein fractions on the contrary decreased. Correlations between total protein, albumin, and bird body weight had a high linear relationship in all groups of chickens (P ˂ 0.05–0.001) and a negative relationship between the 45th and 60th days of rearing in sympathicotonics and normotonics. In birds with a predominance of parasympathetic tone of the autonomic nervous system, this correlation maintained its direction with high reliability (P ˂ 0.05) between body weight and total protein on the 60th day of rearing.

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