scholarly journals Protein synthesize function of bulls liver at experimental chronic cadmium toxicity

2019 ◽  
Vol 21 (94) ◽  
pp. 92-96 ◽  
Author(s):  
Y. Y. Lavryshyn ◽  
B. V. Gutyj
Keyword(s):  
Body Weight ◽  
Total Protein ◽  
Cadmium Chloride ◽  
Cadmium Toxicity ◽  
The Body ◽  
Control Group ◽  
Black And White ◽  
Wide Range ◽  
Inflammatory Processes ◽  
Experimental Group

The article presents the results of studies on the influence of cadmium load on the body of young cattle. The adverse effect of Cadmium on the liver causes a wide range of pathological changes at various levels of its organization. The purpose of the work was to investigate protein synthesize function on the liver of bulls for experimental chronic cadmium toxicity. The research was carried out on the basis of a farm at the village Ivanivtsi, Zhydachiv district of Lviv region, on 10 bulls of six months old, Ukrainian black-and-white milk breed, which were formed in 2 groups of 5 animals in each: control and experimental. Bulls of the control group were in the usual diet. Bulls of the experimental group were fed with forage with cadmium chloride at a dose of 0.04 mg/kg body weight of the animal. The research lasted for 30 days. Protein synthesize function of the liver was determined by the level of serum total protein and protein fractions. It was established that when feeding cows with feed of cadmium chloride in a dose of 0.04 mg/kg of body weight of an animal for 30 days in animals suppressed protein synthesize function of the liver, which manifests itself by lowering the total protein of blood. It reached the lowest level at the 20th day of the experiment, where, accordingly, it fluctuated within the limits of 61.9 ± 1.14 g/l. Reducing the level of total protein in the blood of the bulls of the experimental group under cadmium loading was due to lowering the level of albumin. At day 20 of the experiment, the level of albumin in the blood of animals in the experimental group decreased by 16.5%. On the background of general hypoproteinemia there is a significant imbalance between albumins and globulins in serum of diseased animals. It was established that the level of globulins increased in the blood of Bulls, which were under cadmium load. Increasing the level of globulins in blood serum of bulls reflects the intensity of inflammatory processes in their body for cadmium loading.

scholarly journals Morphological blood indices of bulls in experimental chronic cadmium toxico-sis

2018 ◽  
Vol 20 (88) ◽  
pp. 108-114 ◽  
Author(s):  
Y. Y. Lavryshyn ◽  
B. V. Gutyj ◽  
O. R. Palyadichuk ◽  
V. Y. Vishchur
Keyword(s):  
Body Weight ◽  
Cadmium Chloride ◽  
Cadmium Toxicity ◽  
The Body ◽  
Erythrocyte Membranes ◽  
Control Group ◽  
Destructive Effect ◽  
Active Forms Of Oxygen ◽  
Young Cattle ◽  
Experimental Group

The article presents the results of research on the influence of cadmium load on the body of young cattle. The purpose of the work was to investigate morphological indices of bulls blood during the development of experimental chronic cadmium toxicity. According to the morphological analysis of the quantitative and qualitative composition of blood, it is possible to deem objectively about the functional state of the hematopoietic system of the organism of young cattle. The research was  conducted (on the basis of the farm of the village of Ivanivtsi, Zhydachiv rayon of the Lviv region) on 10 bulls of six months old, Ukrainian black-and-white milk breed, which were formed in 2 groups of 5 animals in each: control and experimental. Bulls of the control group were in the usual diet. Bulls of the experimental group were fed with a feed with cadmium chloride at a dose of 0.04 mg/kg body weight of the animal. It has been established that feeding Bulls with cadmium chloride in a dose of 0.04 mg/kg of body weight contributed to a decrease in hemoglobin to 84.5 ± 1.60 g/l and an increase in the content of methemoglobin to 5.2 ± 0.099%. The decrease in hemoglobin levels is due to the toxic effect of cadmium on erythrocytes, resulting in damage to erythrocyte membranes and increased content of methemoglobin. Formation of methemoglobin in bull blood during cadmium loading occurs as a result of oxidation of hemoglobin with the formation of superoxide anion, which in turn triggers (begins) free radical processes and exerts a destructive effect on cell membranes, as well as initiates the appearance of other active forms of oxygen. Feeding calcium cadmium chloride in a dose of 0.04 mg/kg contributed to a decrease in the number of erythrocytes in their blood. At day 20 of the experiment, the number of erythrocytes decreased by 14% relative to the control group. Decreasing the number of erythrocytes in the blood of young cattle may have been due to the inhibition of their production in the bone marrow. An important morphological indicator of blood is the determination of the average content of hemoglobin in one erythrocyte, which indicates the saturation of erythrocyte with hemoglobin. It was found that the average hemoglobin content in one erythrocyte of the bulls of the experimental group increased by 11.4 and 13.9% for 5 and 10 days. According to the results of the research, the reduction of the hematocrit values in the experimental group of bulls was detected at 10, 15 and 20 days of the experiment. A significant increase in the number of leukocytes in the blood of the bulls of the experimental group was observed at 15 days of the experiment, according to the control group indicators, it increased by 12%.

scholarly journals Influence of cadmium loading on morphological parameters of blood of the Laying Hens

2018 ◽  
Vol 20 (88) ◽  
pp. 48-52 ◽  
Author(s):  
A. Y. Ostapyuk ◽  
B. V. Gutyj
Keyword(s):  
Body Weight ◽  
Laying Hens ◽  
Cadmium Toxicity ◽  
The Body ◽  
Control Group ◽  
Axillary Vein ◽  
Morphological Parameters ◽  
Cadmium Sulfate ◽  
Combined Feed ◽  
Experimental Group

The article presents the results of studies on the influence of cadmium sulfate in different doses on the organism of poultry. The purpose of the work was to investigate the effect of cadmium sulfate in doses of 2 and 4 mg/kg body weight on the morphological parameters of blood of the Laying Hens. By the evaluation of the morphological analysis of the quantitative and qualitative composition of blood, it is possible to deem objectively about the functional state of the hematopoietic system of the body of the bird for cadmium loading. For research were formed three experimental groups: control group and two research groups. The control group chickens were in the usual diet, they were fed with combined feed and drank water without cadmium sulfate. To the drinking water of chickens of experimental groups added cadmium sulfate for 30 days: the first group – 2 mg/kg body weight of cadmium sulfate, the second group – 4 mg/kg body weight of cadmium sulfate. The conditions and microclimate parameters in the room for all keeping chickens groups were similar. Blood from Laying Hens was taken from the subclavian (axillary) vein in the following periods: before taking the drugs and cadmium sulfate, on the first, seventh, fourteenth, twenty-first and thirtieth day of the experiment. Hematologic studies give an opportunity to study in detail the influence of cadmium on the body of chickens, on the basis of which a more correct development of the scheme of treatment and prevention of cadmium toxicity in poultry is possible. Drinking cadmium sulfate in doses of 2 and 4 mg/kg of body weight contributed to a decrease in the number of erythrocytes to 2.69 ± 0.13 and 2.36 ± 0.14 T/l, a hemoglobin level of 86.61 ± 1.11 and 72.17 ± 0.73 g/l and an increase in the number of leukocytes to 34.9 ± 0.60 and 35.8 ± 0.66 g/l. Probable changes in morphological parameters are observed on the 21st day of the experiment in the second experimental group of Laying Hens, which were released cadmium sulfate at a dose of 4 mg/kg body weight. The hematocrit value represents the ratio between the formed elements and the blood plasma. After chickens drinking with cadmium sulfate at doses of 2 and 4 mg/kg of body weight, the hematocrit value gradually decreased. The hematocrit value was low in the second experimental group on day 21 of the experiment, where, respectively, it was 34.11 ± 0.63%.

scholarly journals The effect of cadmium loading on protein synthesis function and functional state of laying hens’ liver

2019 ◽  
Vol 9 (3) ◽  
pp. 221-226
Author(s):  
B. Gutyj ◽  
A. Ostapiuk ◽  
N. Kachmar ◽  
O. Stadnytska ◽  
O. Sobolev ◽  
...  
Keyword(s):  
Body Weight ◽  
Protein Synthesis ◽  
Functional State ◽  
Total Protein ◽  
Laying Hens ◽  
Normal Diet ◽  
The Body ◽  
Control Group ◽  
Cadmium Sulfate ◽  
Experimental Group

In the article are considered issues related to the study of the effect of cadmium on the body of birds, in particular laying hens. The effect of cadmium sulfate at doses of 2.0 and 4.0 mg/kg body weight on protein synthesis function and functional state of the liver were investigated of cross-laying Hysex white hens, of 78 weeks old. Three groups of chickens were formed: two experimental and one control groups. The laying hens of the experimental groups were subjected to a cadmium load. Laying chickens of the first experimental group were given cadmium sulfate at a dose of 2.0 mg/kg body weight. Laying chickens of the second experimental group were given cadmium sulfate at a dose of 4.0 mg/kg body weight. Laying chickens in the control group were in the normal diet without cadmium. Increased activity of aminotransferases, in particular alanine and aspartate aminotransferases in their serum of hens, was observed during cadmium binge drinking in doses of 2.0 and 4.0 mg/kg body weight, respectively. These changes indicate a violation of the functional state of the liver of laying hens under conditions of cadmium load. In the study of protein synthesis of the liver of laying hens under conditions of cadmium loading, it was found that cadmium sulfate in the above doses contributed to a significant decrease in the level of total protein by 14, 21 and 30 days of the experiment. The reduction of total protein in the blood of laying hens was due to a decrease in the level of albumin, which in the second experimental group, respectively, decreased to 28.16 ± 0.75%, whereas in the first – 29.62 ± 0.98%. In the study of the level of globulins, it is possible to increase this indicator in both experimental groups of poultry for 21 days. Drinking with water cadmium sulfate at a dose of 4.0 mg/kg body weight was associated with a more likely decrease in total protein and albumin than drinking cadmium sulfate at a lower dose.

scholarly journals The effect of cadmium loading on the activity of the enzyme link of the glutathione system of bull organism

2019 ◽  
Vol 21 (95) ◽  
pp. 107-111 ◽  
Author(s):  
Y. Y. Lavryshyn ◽  
B. V. Gutyj ◽  
I. S. Paziuk ◽  
N. D. Levkivska ◽  
M. S. Romanovych ◽  
...  
Keyword(s):  
Body Weight ◽  
Cadmium Chloride ◽  
The Body ◽  
Control Group ◽  
Antioxidant Protection ◽  
Glutathione System ◽  
Activity Of Enzymes ◽  
Antioxidant Protection System ◽  
Peroxidation Processes ◽  
Experimental Group

One of the ultimate manifestations of Cadmium's toxic effects is the depletion of the animal's antioxidant protection system. The article presents data on the effect of cadmium chloride at a dose of 0.04 mg/kg body weight on the activity of enzymes of the glutathione system of antioxidant protection of the body of young cattle. The surveys were conducted on the basis of farm Ivanivtsi of Zhydachiv district of Lviv region on 10 bulls of six months old, Ukrainian black-ruffed dairy breed, which were formed into 2 groups of 5 animals each: control and experimental. Bulls of the experimental group were fed with feed cadmium chloride at a dose of 0.04 mg/kg body weight of the animal. For research, the rules were compulsory for performing zootechnical experiments on the selection and retention of analogues in groups, technology for the procurement, use and accounting of feed consumed. The diet of the animals was balanced by the nutrients and minerals that provided for their need for essential nutrients. The results of studies indicate that Cadmium significantly affects the metabolism processes in liver cells, and thus stimulates lipid peroxidation processes and inhibits the activity of enzymes of the glutathione link of the antioxidant system. The lowest activity of the enzyme link of the glutathione system of antioxidant protection of the body of cattle was found on the twentieth day of the experiment, where, accordingly, the activity of glutathione peroxidase in the serum of bugs of the experimental group decreased by 22.6%, the activity of glutathione 6 phosphate dehydrogenase – by 24.3% relative to the control group of animals. The inhibition of the activity of enzymes of the glutathione system of the organism of bulls of the experimental group is caused by the development of oxidative stress caused by the feeding of Cadmium. The researches made it possible to reveal more deeply the pathogenesis of the toxic effect of cadmium on the body of bugs and use these data in the development of an antidote for cadmium intoxication.

The effect of ethanol on some hematological parameters of the australian red claw crayfish (Cherax quadricarinatus)

2022 ◽  
pp. 85-91
Author(s):  
D. Skafar ◽  
D. Shumeyko
Keyword(s):  
Body Weight ◽  
Total Protein ◽  
Hematological Parameters ◽  
Group Versus ◽  
Control Group ◽  
Total Protein Content ◽  
Cherax Quadricarinatus ◽  
Total Hemocyte Count ◽  
Red Claw Crayfish ◽  
Experimental Group

Purpose: to study the effect of ethanol on the parameters of THC, the percentage of granulocytes and total protein in the hemolymph of the Red claw crayfish (Cherax quadricarinatus).Materials and methods. The object of this experiment was 26 males of the Australian red-clawed crayfish (Cherax quadricarinatus) weighing from 23 to 83 g. The individuals were evenly divided into two experimental groups - with an injection of ethanol and a control group without an injection of 13 crayfish for each group. The injection dose was 2515 mg per 100 g of body weight. A day after the introduction of ethanol, hemolymph was taken with a syringe from the ventral sinus, the syringe was pre-washed with a 4% EDTA-Na2 solution. Three parameters were determined: the total hemocyte count (THC), percent granulocytes and percent total protein content. Counting of hemocytes and determination of granulocytes were performed in a Goryaev chamber under a light microscope. The total protein was determined by the refractometric method.Results. Differences in THC and total protein between the groups were statistically unreliable (p>0,05). THC in the experimental group is 36% more than in the control group. The total protein after the introduction of ethanol actually increased by 0,7%, and relatively by 14%. There were statistically different indicators of the proportion of granulocytes (p<0,05) - the average value of 33,1% in the experimental group versus 24,5% in the control group. A reliable (p<0,05) strong feedback was revealed between the total protein and the mass of individuals in both experimental groups, while in the experimental group there is a visible shift in the values of dependent hemolymph indicators towards an increase in smaller individuals.Conclusion. A single injection of ethyl alcohol with a dosage of 2515 mg per 100 g of body weight into the hemolymph of C. quadricarinatus does not cause significant changes in the THC and total protein after 24 hours. At the same time, the proportion of granulocytes actually increases by 9%, relative to 37%. This may indicate that granulocytes are involved in the formation of cancer defense mechanisms when exposed to toxic substances. The effect of different dosages of ethanol injections and the duration of its effect on hematological parameters requires additional consideration. It is necessary to investigate its effect on other indicators, such as the pH and buffer capacity of the hemolymph, the concentration of hemocyanin, glucose, lactates and calcium.

scholarly journals BIOLOGICAL EFFECTS OF SILICON OXIDE NANOPARTICLES ON BROILER CHICKEN

2020 ◽  
Vol 5 (2) ◽  
pp. 63-71
Author(s):  
Vladimir Nikulin ◽  
Aleksandra Mustafina
Keyword(s):  
Red Blood Cells ◽  
Total Protein ◽  
Blood Cells ◽  
Broiler Chickens ◽  
Broiler Chicken ◽  
Silicon Oxide ◽  
The Body ◽  
Control Group ◽  
The Third ◽  
Experimental Group

The aim of the study is to increase the productive qualities of broiler chickens by including ultrafine silicon oxide into main diet. During the experiment, the biological effect of ultrafine silicon oxide on broiler chickens was estab-lished. Use of ultrafine SiO2 particles for poultry feeding contributed to an increase in the number of red blood cells and content of total protein and albumins. By the end of the experiment, the number of red blood cells in birds in-creased by 17.43% (P≤0.001) – in the blood of birds of the first experimental group, 16.51% (P≤0.01) – the second one, 20.80% (P≤0.001) – the third experimental and 21.71% (P≤0.001) – the fourth experimental group, compared with the indicator of the control group. The amount of total protein in blood serum of chickens of the first and the second experimental groups increased by 1.36-1.39 %, in the third and fourth ones there was a significant (P≤0.05) increase by 5.45 and 3.05%, respectively. The blood glucose content of chickens in the experimental groups is higher by 8.04-23.65% compared to this indicator with ones in the control group. During the experiment feed con-sumption per 1 kg gain of live weight decreased: in the first experimental group by 3.00 % in the second by – 0.50 %, the third – 6.00 % the fourth– by 4.50 %, compared to this with the control group. The chicken’s vibrancy of the first the experimental group was higher by 4.77 %, the second – by 6.20 %, the third – by 19.25 % and the fourth– by 11.59% than in the control one. Consequently, when converting the feed energy into the body energy of a broiler chicken, the energy conversion coefficient of the experimental group of poultry is higher than that of the control one by 7.16-21.76 %. Thus, the most optimal dose for further research was determined.

Effect of Clomiphene Citrate and Letrozole on Body Weight of female Albino Rat for Consecutive 1-4 Estrous Cycles

2021 ◽  
Vol 15 (11) ◽  
pp. 2938-2941
Author(s):  
Fauzia Qureshi ◽  
Syeda Rizwana Jafri ◽  
Hafiza Sadia Ahmad ◽  
Uzma Waseem ◽  
Ursula Akif ◽  
...  
Keyword(s):  
Body Weight ◽  
Estrous Cycle ◽  
Ovulation Induction ◽  
Clomiphene Citrate ◽  
The Body ◽  
Control Group ◽  
Albino Rats ◽  
Albino Rat ◽  
Estrous Cycles ◽  
Experimental Group

Background: Ovulation induction with clomiphene citrate in women with infertility has been practiced more than 40% years but in infertile patients this treatment plan proved to be ineffective with multiple complication. Body weight plays an important role modulating reproductive development and functioning. Aim: To observe the effects on body weight of female albino rat after use of clomiphene citrate and letrozole for consecutive 1-4 estrous cycles Method: Eighty four adult female Albino rats were equally divided into three groups for this research. Body weight of each rat was measured before and after the experiment. Vaginal smear cytology of each rat was performed to study different phases of estrous cycle. Control group A was given normal saline orally , In Experimental group B rats were given letrozole (Femara) at dose 5mg/kg orally and in Experimental group C rats were given clomiphene citrate at dose 100ug/kg orally. Results: Significant weight gain is observed in rats taking clomiphene citrate as compared to letrozole Conclusion : Comiphene citrate directly affects the body weight which indirectly reduces the ovulation induction and pregnancy rate. Letrozole is good alternate for ovulation induction and for CC resistant patients. Keywords: Estrous cycle, body weight, citrate and letrozole

scholarly journals The Influence of the Mineral-Microbial Preparation on Ammonia Concentration and Productivity in Laying Hens Houses

Atmosphere ◽  
2019 ◽  
Vol 10 (12) ◽  
pp. 751 ◽  
Author(s):  
Remigiusz Gałęcki ◽  
Michał Dąbrowski ◽  
Tadeusz Bakuła ◽  
Kazimierz Obremski ◽  
Adriana Nowak ◽  
...  
Keyword(s):  
Body Weight ◽  
Linear Correlation ◽  
Egg Production ◽  
Laying Hens ◽  
Animal Health ◽  
The Body ◽  
Control Group ◽  
Microbial Composition ◽  
Experimental Group ◽  
Campylobacter Spp

The aim of this study was to evaluate the influence of the biopreparation Deodoric® on ammonia (NH3) concentration, performance, and hygiene standards in laying hen (ROSS-308) production. Statistically significant differences in NH3 concentration and the body weight of laying hens were observed between the control group (C) and the experimental group (E) where Deodoric® was applied at the set dose. In the control group, an increase in NH3 concentration could have contributed to the decrease in the body weight of laying hens, egg production, and % hen day egg production, whereas no such correlations were observed in the experimental group. A moderate linear correlation between NH3 concentration vs. humidity (r = 0.68), air flow (r = 0.48) and weakly linear correlation between NH3 concentration and age of birds (r = 0.27) was noted in group C. In group E, NH3 concentration vs. temperature (r = 0.27) and humidity (r = 0.14) were weakly correlated. Statistical analysis of changes in the microbial counts isolated from manure revealed a significant decrease of mesophilic microorganisms on day 28 decrease of Campylobacter spp. days 14 and 84 in group E. However, for the entire experimental model no statistically significant changes in the number of Campylobacter spp. and mesophilic bacteria were found. The tested preparation did not cause changes in the microbial composition of tissue swabs. Deodoric® contributes to animal welfare by reducing the ammonia concentrations in poultry houses. It is also recommended for use in poultry farms to improve animal health and performance and to generate benefits for producers.

DYNAMICS OF PROTEIN METABOLISM AND ACTIVITY OF AMINOTRANSFERASES OF DOGS BY ADDING DIHYDROQUERCETIN

2016 ◽  
Vol 1 (1) ◽  
pp. 6-8
Author(s):  
Полищук ◽  
Sergey Polishchuk ◽  
Молянова ◽  
Galina Molyanova
Keyword(s):  
Body Weight ◽  
The Body ◽  
Control Group ◽  
German Shepherd ◽  
Formalin Edema ◽  
Working Dogs ◽  
Healthy Dogs ◽  
Biochemical Indices ◽  
Experimental Group ◽  
Operational Capacity

The purpose of research is to improve business and operational capacity of the body through the use of dogs dihydroquercetin. The article presents the results of experiment by the effect of dihydroquercetin dynamics of biochemical indices of the dogs blood. Dihydroquercetin – it is an active antioxidant, natural scavenger of oxygen free radicals, hepatoprotector, having anti-inflammatory action due to limitations of the formalin edema and histamine, and inhibits the formation of serous fluid, painkillers, immunocorrelation properties. Due to the high complexing properties it displays the body of heavy metals, including radionuclides, helps to restore the blood vessels tone, normalizing the lipid levels and slows the progression of atherosclerotic plaques. Investigations were carried out in zonal center of the dog expert service GU MVD of Russia in Samara region with clinically healthy dogs, German shepherd breed, age 2-4 years with an average body weight of 30 kg in the background conditions and feeding, adopted by the enterprise. The dogs of the experimental group received dose dihydroquercetin 0.001 g/kg for body weight once a day during meals. When added to the basic diet, dihydroquercetined dogs of the experimental group shown the increase in indicators such as: total protein – by 11.5% (p&#60;0.01), albumin – to 12.8% (p&#60;0.01), AST 13.6% (p &#60;0.001), ALT – by 11% (p&#60;0.05), alkaline phosphatase in the – 12% (p&#60;0.01) relative to the control group. Based on the results, obtained during the experiment, we can conclude that the use of dietary supplements in the diet of dogs, dihydroquercetin allows biocorrection level of protein and enzymatic metabolism in the body, which improves service and working dogs potential.

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.

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