scholarly journals Study of the efficiency of using biogenic metals for feeding calves

2021 ◽  
pp. 25-29
Author(s):  
Oksana Shkromada ◽  
Tatiana Fotina ◽  
Roman Petrov
Keyword(s):  
Total Protein ◽  
Transition Period ◽  
The Body ◽  
Control Group ◽  
Inorganic Substances ◽  
Young Cattle ◽  
Biogenic Metals ◽  
Combined Feed ◽  
Positive Effect ◽  
Experimental Group

Breeding young cattle is important, especially during the transition period from dairy feeding to concentrated dry feed. The paper presents the results of the use of biogenic metal nicotinates for weaning calves to improve metabolism in animals. The aim of research. To investigate the effect of biogenic metal nicotinates: Zn, Cu, Fe, Co, Mn on the biochemical parameters of blood in calves after weaning. Materials and methods. The study was carried out during 2021 in the conditions of LLC "Agrofirma Lan", Sumy region, Sumy district, Kindrativka, Ukraine for breeding young cattle. The calves of the experimental group were given compound feed and a premix of nicotinates of biogenic metals: Zn, Cu, Fe, Co, Mn, manufactured by PPronos Agro" (1 g per 1 kg of feed). In the control group, combined feed and a premix with metal sulfates were used for 30 days. Results. An increase in the level of total protein in the body of calves of the experimental groups was established by 16.12 % in comparison with the control (p≤0.05). Also, in experimental animals, the activity of the enzymes alanine aminotransferase and aspartate aminotransferase was higher than the physiological norm, which shows an insignificant effect of nicotinates of biogenic metals on internal organs and systems. In the experimental group of calves, the level of magnesium was probably higher by 52.38 % and potassium – by 14.94 % compared to the control group (p≤0.05). It was found that the animals of the experimental groups probably had more zinc by 34.96 %; copper – by 35.72 %; iron – by 92.29 %; manganese – by 41.13 %; selenium – by 3.22 % and cobalt – by 98.33 % compared to the control (p≤0.05). Conclusions. The positive effect of the use of biogenic metal nicotinates on the metabolism of calves at weaning has been proven. It was found that the level of total protein in the body of calves of the experimental groups was probably higher by 16.12 %, magnesium - by 52.38 %; potassium - by 14.94 %. When determining the content of inorganic substances, it was found that the animals of the experimental groups probably had more zinc by 34.96 %; copper – by 35.72 %; iron – by 92.29 %; manganese – by 41.13 %; selenium – by 3.22 % and cobalt – by 98.33 % compared to the control (p≤0.05)

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.

scholarly journals Rabbit Dietary Supplementation with Echinacea purpurea L.: The Quality Profile of Rabbit Meat

2020 ◽  
Vol 50 (2) ◽  
pp. 185-193
Author(s):  
Roman Voroshilin ◽  
Marina Kurbanova ◽  
Sergey Rassolov ◽  
Elena Ul'rih
Keyword(s):  
Technological Development ◽  
Saturated Fatty Acids ◽  
Echinacea Purpurea ◽  
The Body ◽  
Feed Additive ◽  
Control Group ◽  
Meat Production ◽  
Rabbit Meat ◽  
Positive Effect ◽  
Experimental Group

Introduction. Rabbit meat is an excellent source of dietetic food. High-quality and safe meat production is a priority of the scientific and technological development of the Russian Federation. The research objective was to determine the optimal dose of Echinacea purpurea L. extract in the rabbit diet and study its effect on the physicochemical and morphological quality parameters of rabbit meat. Study objects and methods. At 70 days of age, the experimental animals started to receive various doses of a phytobiotic feed additive based on the Echinacea purpurea extract. The experiment lasted 30 days. Results and discussion. The daily dose of 1.0 g and 1.5 g per animal proved to stimulate the redox processes in the rabbit metabolism. The body weight of the test animals significantly increased compared with the control group. The test slaughter revealed a high level of meat productivity. The animals in experimental groups II and III showed the best slaughter indicators. Each animal received 1.5 g of the extract per day. The morphological composition of chilled carcass indicated that the additive had a positive effect on the mass indicators. According to the physical and chemical analysis, the contents of water, protein, and ash in the experimental group was the same as in the control group. The ratio of unsaturated and saturated fatty acids in the control group was 1.34:1, while in the experimental group III is was 1.39:1. This optimal proportion proved a high biological value of rabbit meat, which makes it a dietary product. The phytobiotic additive proved commercial as the test animals demonstrated an intensive weight gain compared with the control group. Experimental groups II and III showed the best slaughter indicators. Conclusion. 1.5 g of the extract of Echinacea purpurea had a positive effect on the composition and physicochemical parameters of rabbit meat, as well as meat production.

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.

scholarly journals Influence of the probiotic preparation “Plantarum” in the diets of pregnant animals on the growth and development of young animals

2021 ◽  
Vol 37 ◽  
pp. 00143
Author(s):  
Irina Funk ◽  
Nikolay Vladimirov ◽  
Alexander Yashkin ◽  
Lyudmila Pautova ◽  
Vitaly Gorshkov
Keyword(s):  
Body Weight ◽  
Growth And Development ◽  
The Body ◽  
Control Group ◽  
Standard Diet ◽  
Absolute Increase ◽  
Probiotic Preparation ◽  
Positive Effect ◽  
Experimental Group ◽  
Different Doses

The work aims to study the effect of different doses of the experimental probiotic preparation “Plantarum” when fed to pregnant animals on their reproductive qualities, as well as on the growth and development of young animals. To obtain young animals, four groups of goats were formed in the type of the Saanen breed, 20 heads each. In the first (control) group, the animals received a standard diet, in the diet of the animals of the second, third and fourth groups in the second half of pregnancy, the probiotic preparation “Plantarum” was additionally introduced, containing Lactobacillus Plantarum, Propiobacterium freudenreihii, in dosages from 0.4 to 0.8 ml/kg of body weight per day. From the offspring of the goats of the experimental groups, four groups of 12 goats were formed. The highest percentage of preservation (94%) and the highest business output of kids per 100 queens (150%) were observed in the fourth experimental group (0.8 ml). The goats of the second, third and fourth groups exceeded the body weight of their contemporaries from the control group by 3%, 6.3%, and 8.8%. The highest indices of the absolute increase in body weight by age periods were noted in the fourth group of goats. There were no significant differences in body build indices during the experiment between the goats of the control and experimental groups. Thus, the maximum positive effect was observed with the introduction of a probiotic preparation into the diet of pregnant goats at a dose of 0.8 ml/kg of body weight per day.

scholarly journals Protein-synthesizing function of the liver of cows at experimental fasciolosis

2021 ◽  
Vol 4 (1) ◽  
pp. 12-15
Author(s):  
D. V. Frejuk ◽  
V. V. Stybel
Keyword(s):  
Functional State ◽  
Causative Agent ◽  
Total Protein ◽  
The Body ◽  
Control Group ◽  
Blood Proteins ◽  
Functional Connection ◽  
Animal Blood ◽  
The World ◽  
Experimental Group

Cattle fasciolosis is quite widespread in the world, including in Ukraine. Animal blood proteins, being in close functional connection with proteins of various tissues, reflect the changes that occur in the tissues and organs of the body during disorders of their metabolic processes caused by pathological factors. The aim of the study was to investigate the level of total protein and its fractions in the blood of cows in experimental fasciolosis. 12 cows of 4–5 years of age, black-spotted breed, were selected for experiment, out of which 2 groups were formed, six animals in each. Animals in the control group were clinically healthy. Animals of the experimental group were experimentally infected with adolescents. During the research, the rules of compulsory experiments were followed - selection and keeping of analogue animals in groups. The cows' diet was balanced in terms of nutrients and minerals. In the study of protein-sensitizing function of the liver of cows, it was found that during fasciolosis invasion, the content of total protein decreased by 13.8 %. These changes were due to a decrease in albumin and an increase in globulins. Thus, in fasciological invasion of cows, the level of albumin in the serum decreased by 24.4 %, and the level of globulins increased by 7.9 %. The value of the albumin / globulin ratio in the blood of infested cows with the causative agent of fasciolosis is quite indicative. It was found that the albumin-globulin ratio in the blood of cows of the experimental group was probably lower compared to the control group of animals. This value of the coefficient, of course, indicates the suppression of protein-synthesizing function of the liver in these periods of research. In the future it is planned to investigate the functional state of the liver of cows with experimental fasciolosis.

ACTION OF NEW FEEDING ADDITIVE TO MEAT PRODUCTIVITY AND QUALITY OF BULL-CALVES MEAT

1970 ◽  
pp. 57-60
Author(s):  
I. F. Gorlov ◽  
М. I. Slozhenkina ◽  
А. V. Randelin ◽  
V. V. Randelina ◽  
О. А. Sutorma ◽  
...  
Keyword(s):  
Protein Quality ◽  
Feed Additives ◽  
The Body ◽  
Feed Additive ◽  
Bull Calves ◽  
Young Cattle ◽  
Meat Productivity ◽  
Positive Effect ◽  
Experimental Group

As a result of the researchers found a positive effect of new feed additive on the growth rate, the qualitative indicators of meat fattening. It was found that the effect of feed additives on the productivity increased with increasing doses of feed additives from 100 to 300 g per head. Thus, at the age of 18 months, the bulls of the first experimental group surpassed the control analogues by 3.86, the second – by 5.53 and the third – by 6.42% and the average daily increase by 7.50, 11.63 and 12.45%, respectively. On the basis of the control of the slaughter was revealed that the weight of the paired carcasses in calves from the experimental group was higher than that of peers, not consuming the Supplement, of 5.82-of 9.91%, and their output is up 0.09 to 0.86 percent. At the output of the pulp of the bulls of the experimental groups exceeded the control analogues by 0.72-1.05%. The meat index of their carcasses was, respectively, higher by 0.25-0.36. In average the sample of the flesh of the carcasses of young animals who consumed the study Supplement contained more protein compared with the control 0,28-0,57% fat, respectively 0,68-1,19%. The influence of feed additive and on the content of amino acids in meat was revealed. Thus, essential amino acid tryptophan in the longest muscle of the back of the bulls of the experimental groups was higher by 1.58 – 2.87% and protein quality index-higher by 0.37-0.63. The flesh of the carcasses of calves of the experimental groups had higher technological properties. The moisture-retaining ability of their longest back muscle was higher than that of analogues of the control, by 2,05-2,22%, the fading – lower by 2,04-2,41%. In the body of young cattle, consuming feed additive, protein was postponed more than in control, by 8,67-14,85% and fat – respectively by 11,96-21,44%. The conversion rate of protein they were higher by 0.78-0.86%, energy - respectively 0.67-1.06%. The level of profitability of beef production in the experimental groups was higher than in control at 4, 18-of 1.29%.

scholarly journals State of protein and mineral exchange in broiler-chickens for the use of Zinc and Mangane chelates

2019 ◽  
pp. 85-94
Author(s):  
V. Sakara ◽  
A. Melnyk ◽  
F. Markhenkov
Keyword(s):  
Total Protein ◽  
Broiler Chickens ◽  
Zinc Content ◽  
Calcium Content ◽  
Inorganic Phosphorus ◽  
The Body ◽  
Control Group ◽  
Total Protein Content ◽  
Total Calcium ◽  
Experimental Group

The results of the application of a complex of Zinc and Manganese chelates to protein, macro- and micro-mineral exchanges in the body of broiler chickens of the Cobb 500 cross-breed are presented. The administration of Zn and Mn chelates in a dose of 0,2 ml/l for chicken broilers of 23 days of age (1st experimental group) during 14 days influenced the increase in the total protein content to 35,3±0,8 g/l, which is 8 % higher compared with the control – 32,5±0,7 g/l (p<0,01 ) The concentration of total Calcium in serum of broiler chickens 37-day-old (end of trial) was higher in the first experimental group by 7,3 % (2,05±0,06 mmol/l) compared to control – 1,9±0,03 mmol/l. In the second group, where chelates were administered in a dose of 0,4 ml/l of water, the Calcium content was 2,0±0,02 mmol/l, which is 5 % more than the control group. The two-week application of Zn and Mn chelates also led to an increase in the level of inorganic Phosphorus in the serum of the first group to 2,6±0,12 mmol/l (+ 11,5 %) compared with the control group. After administration of chelates Zn and Mn at doses of 0,2 ml/l water, the Zinc content was higher by 4,3% (23,5±0,2 μmol/l) compared to control – 22,5±0,34 μmol/l (p<0,01). In the second group, where the dose of chelates was 0,4 ml/l, the concentration of Zinc was 23,6±0,16 μmol/l, which is more than 4,6 % for control (p<0,01). At the end of the study, the content of Manganese in serum of broiler chickens in the first group was 1,9±0,07 μmol/l (p<0,05), which is 10,4% higher compared with the control – 1,7±0,06 μmol/l (3rd sampling). The level of this element in the second group was 2,0±0,08 μmol/l (p<0,01), which is higher by 16,7 % relative to the control. At the end of the experiment, the coupon concentration in the first and second experimental groups was 12,6 and 9,3 % higher, compared with control, 7,0±0,37 μmol/l. In turn, the serum Ferrum content of the first group was greater by 9,3 % (19,3±0,69 μmol/l), and the second by 6,7 % (18,8±0,47 μmol/l) compared to the bird of the control group. Key words: chicken broilers, chelates, Zinc, Manganese, Cuprom, Ferrum, metabolism.

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 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%.

THE EFFICIENCY OF USING NITROGEN-CONTAINING COMPOUNDS IN THE BODY OF YOUNG CATTLE WHEN ADDING N-CARBOMILGLUTAMATE INTO THE DIET

2021 ◽  
pp. 37-40
Author(s):  
А.С. КУЗНЕЦОВ ◽  
Е.Л. ХАРИТОНОВ ◽  
К.С. ОСТРЕНКО ◽  
А.Н. ОВЧАРОВА
Keyword(s):  
Blood Plasma ◽  
Body Weight Gain ◽  
The Body ◽  
Dairy Calves ◽  
Feed Additive ◽  
Control Group ◽  
Resistance To Stress ◽  
Young Cattle ◽  
Nitrogen Containing Compounds ◽  
Experimental Group

Изучен метаболизм азотсодержащих соединений в организме телят-молочников и бычков на откорме при включении в рационы кормовой добавки N-карбомилглутамат (NCG). Введение в основной рацион NCG приводит к снижению уровня свободного аммиака в плазме крови телят-молочников в 2 раза относительно контрольной группы. У молодняка на откорме в опытных группах концентрация аммиака в плазме крови была меньше на 20,9% в 1 группе и на 54,2% во II группе. При этом в опытной группе телят-молочников зафиксировано повышение прироста массы тела на 5,01% по сравнению с контролем. Введение кормовой добавки NCG способствовало переводу токсичного аммиака из плазмы крови, вследствие активизации орнитинового цикла в клетках печени и стенке рубца с образованием избытка карбомоилфосфата и синтеза эндогенного аргинина. Экзогенный аргинин из корма может быть заменен на NCG в рационе у жвачных животных. Добавление NCG в корм или ЗЦМ позволит улучшить утилизацию аммиака, повысить эффективность использования белка рациона, устойчивость к стрессам и будет являться фактором повышения продуктивности молодняка крупного рогатого скота. The influence of the metabolism of nitrogen-containing compounds in the body of dairy calves and calves on fattening was studied when the feed additive N-carbomylglutamate (NCG) was included in the diets. The introduction of the NCG feed supplement into the main diet leads to a decrease in the level of free ammonia in the blood plasma of dairy calves by 2 times compared to the control group. In fattened calves in the experimental groups, the concentration of ammonia in the blood plasma was less by 20.9% in group 1 and by 54.2% in group II. At the same time, in the experimental group of dairy calves, an increase in body weight gain was recorded by 5.01% compared to the control. The introduction of the feed additive NSP contributed to the transfer of toxic ammonia from the blood plasma, due to the activation of the ornithine cycle in the liver cells and the scar wall with the formation of an excess of carbomoylphosphate and the synthesis of endogenous arginine. Exogenous arginine from feed can be replaced with NCG in the diet of ruminants. The addition of NCG to feed or ZCM will improve the utilization of ammonia, increase the efficiency of the use of protein in the diet, resistance to stress, and will be a factor in increasing the productivity of young cattle.

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