scholarly journals CHANGES IN BIOCHEMICAL COMPOSITION OF BLOOD IN THE TREATMENT OF POSTPARTUM ENDOMETRITIS IN COWS

2020 ◽  
pp. 46-52
Author(s):  
N. Y. Belyaeva ◽  
Yu. A. Chekunkova ◽  
Yu. I. Smolyaninov
Keyword(s):  
Mineral Metabolism ◽  
Hematological Parameters ◽  
Optimal Level ◽  
The Body ◽  
Nonspecific Resistance ◽  
Therapy Regimen ◽  
Treatment And Prevention ◽  
Light Yellow ◽  
Light Yellow Color ◽  
Experimental Group

Postpartum complications are recorded in 40–80 % of cases of calving animals. A prerequisite for this is a metabolic disorder that affects the morpho biochemical status of the body. The use of drugs based on probiotic microorganisms for the treatment and prevention of obstetric and gynecological pathology is a promising direction. Therefore, the aim of our research was to study the changes in hematological parameters in the treatment of acute postpartum endometritis in cows with the use of a new probiotic drug. We developed drug Fometrin suppositories is a light yellow color, with a content of dry biomass of probiotic cultures of cells. Fometrin the drug were injected 3 or 4 candles of the first and second experimental groups of cows, respectively, 1 per day, intrauterine, for 5–7 days, also used the PDE to 20 ml and Uteroton 10 ml, 3 times in 48 hours. For treatment of control animals used Ichglukovit, Oksilat and PDE in accordance with the instructions for use. As a result, the largest number of recovered animals (80 %) was in the second experimental group, the independence period was 28 % and the service period was 31 % and the index of insemination by 15 % than in control. The use of endometritis therapy regimen with the drug Fometrin in comparison with traditional treatment, manifested a decrease in the content of leukocytes by an average of 26.9 % and an increase in the number of segmental neutrophils by an average of 36 %, as well as a more optimal level of nonspecific resistance of the body, determined by the ratio of lymphocytes to rod neutrophils, to the end of the experiment. After treatment there was an increase in iron content on average by 20.5 % and cholesterol by 27.6 % in the experimental groups of cows and the most pronounced changes in the indices of protein and mineral metabolism in the organism of animals second experimental group.  

scholarly journals Milk quality indicators, productivity in cows and changes in blood composition when feeding mineral supplements

2021 ◽  
Vol 344 (1) ◽  
pp. 26-29
Author(s):  
E. A. Mitsurina ◽  
L. N. Gamko
Keyword(s):  
Dry Matter ◽  
Positive Impact ◽  
Mineral Metabolism ◽  
Hematological Parameters ◽  
The Body ◽  
Biologically Active ◽  
Mineral Supplements ◽  
Lactating Cows ◽  
Experimental Group ◽  
Active Substances

Relevance. This article shows the influence of the same doses of natural mineral supplements "Stimul" and smectite trepel, their positive impact on increasing productivity, as well as changes in the hematological parameters of the blood of lactating cows.Results. Feeding natural zeolites provided the need for biologically active substances and improvement of individual indicators of dairy products.The mass fraction of fat in the 1st experimental group was 0.1% higher, and the amount of protein was in the range of 2.9–3.1%. At the same time, it should be noted that the most stimulating effect on mineral metabolism in the body of lactating cows with the same composition of rations was better used in the mineral part of the diet was better used, which included 3.0% smekty trepel from dry matter.

scholarly journals Dynamics of hematological parameters in rabbits for osteosubstitution by hydroxyapatite ceramics doped with germanium and in complex with blood coagulation activator

2021 ◽  
Vol 23 (102) ◽  
pp. 78-86
Author(s):  
T. P. Todosiuk ◽  
M. V. Rublenko ◽  
V. M. Vlasenko
Keyword(s):  
Blood Coagulation ◽  
Hematological Parameters ◽  
The Body ◽  
Hematological Indices ◽  
Reparative Osteogenesis ◽  
Hydroxyapatite Ceramics ◽  
Post Traumatic ◽  
Intensive Course ◽  
And Control ◽  
Experimental Group

Bone tissue has powerful regenerative properties, thanks to which, with stable fixation, quite large amounts of skeletal bone damage can be successfully repaired. However, in the case of fragmentary fractures, the use of osteosynthesis methods alone does not always ensure the optimal course of reparative regeneration, as its regenerative potential is lost. Therefore, there is a need to replace post-traumatic bone defects and stimulate reparative osteogenesis. For this purpose, doped or doped with various elements (Ge, Si, Zn, Ag, Cu) composite materials. The aim of the study was to investigate the dynamics of hematological parameters in rabbits for osteosubstitution by hydroxyapatite ceramics doped with germanium and in combination with a blood clotting activator. Model defects were formed in the radial diaphysis and femur metaphysis in rabbits with a 3 mm and 4.2 mm diameter drill bit, respectively. Anesthesia included acepromazine, thiopenate, and lidocaine infiltration anesthesia. Animals of the first experimental group (n = 12) were replaced by defects with granules of hydroxyapatite ceramics doped with germanium (HTGe), the second (n = 12) – hydroxyapatite ceramics doped with germanium with blood coagulation activator (HTGe + a), the third – (n = 12). hydroxyapatite α + β with active (α + β + a), and control – granules of undoped ceramics (HT). On day 7, animals of all groups had minor post-traumatic erythrocytopenia and oligochromemia. There was also a gradual increase in the content of leukocytes in the blood with a peak on the 14th day, which in the group HTGe + a lasted until the 30th day. The increase in the number of leukocytes and their peak values occurred within the physiological norm and only approached its upper limit. In most groups there was a pronounced thrombocytosis during the first 14 days with normalization to the 30th day, but in the 2nd experimental group the number of platelets returned to normal only on the 60th day. Changes in most integral hematological indices, which reflect the relationship between blood cell populations, are characteristic of the inflammatory-resorptive phase of reparative osteogenesis. The dynamics of hematological parameters indicates the absence of a pronounced reaction of the body to the implantation of hydroxyapatite composite doped with germanium. The combination of hydroxyapatite ceramics doped with germanium with coagulation activator eliminates post-traumatic oligochromemia and erythrocytopenia and significantly increases the level of hematological integral indices, which indicates a more intensive course of inflammatory-resorptive clinical resorptive aparation phase.

scholarly journals Influence of the supplement «Press-Acid» on protein-mineral metabolism and resistance of piglets

2018 ◽  
Vol 20 (83) ◽  
pp. 320-324 ◽  
Author(s):  
N.V. Chеrniy ◽  
E.V. Matsenko ◽  
Yu.A. Shchepetilnikov ◽  
Yu. V. Maslak ◽  
O.S. Machula ◽  
...  
Keyword(s):  
Blood Serum ◽  
Mineral Metabolism ◽  
The Body ◽  
Control Group ◽  
Immunological Parameters ◽  
Oxidative Reaction ◽  
Experimental Animals ◽  
Growth Energy ◽  
First Time ◽  
Experimental Group

The aim of this study was to determine the effect of supplement «Press-Acid» on some parameters of mineral and protein metabolism and resistance of piglets. The study was done in condition «Meta» on two groups of piglets of the F-1 (BWхL) genotype. There were determined indexes of bacterial and lysocim activity of blood serum, calcium and phosphorus in piglets at the age of 21–30–45–75 days. Effect of supplement on the growth rate, morbidity and safety of pigs were revealed. We used hygienic, zootechnical, hematological, biochemical, immunological and statistical methods of analysis. The influence of «Press-Acid», which consist of formic, lactic, citric and fumaric acids, was established for the first time. The concentration of calcium in blood serum of experimental group of piglets were lower than in animals of control group. The level of phosphorus increased in blood serum of experimental animals on 11.83% (30 day), on 3.74% (45%), on 17.65% (75 day) respectively. Concentration of hemoglobin and the amount of erythrocytes increased on 11.8% and on 1.82% (30 day) in animals that feed the supplement. There were established the increase of viability of the pigs with gastro-intestinal diseases which were given the supplement in comparison with that, who did not feed it. Severity of diseases was determined using the Melenberg coefficient which did not higher than 1.2–2.4 score, it was lower on 6,0–9,3 unit than in control group. Using the supplement allowed to increase the intensity of growth of piglets by 3.7% (45 day) and 9.4% (75 day) respectively. Concentration of total protein, albumines and globulins increased on 8.66%, 9.90%, 7.3% respectively. The activity of alaninaminotransphaerasae in the blood serum of experimental animals were lower on 3.45% than in control piglets. Lysocym and bacterial activity of blood serum were higher in experimental group of piglets. Feeding piglets with addition supplement Press Acid promotes higher grow rates in experimental animals, that can be explained increases of oxidative-reducing processes in them organism. Feeding piglets with acidifier «Press-Acid», «Nifulin», zinc oxide, probiotics «Lactisan Complex» promotes growth energy, increase of morphological, biochemical and immunological parameters which indicates a higher level of oxidative reaction in the body. A low coefficient of Melenberg is recorded in the piglets at the age of 1 day. Safety was within 92.1–97.0%. That indicates a more successful elimination of complexes of protein, mineral substances, humoral protection in blood of experimental group of animals.

scholarly journals Influence of milk thistle, methifene and sylimevit on the morphological parameters of laying hens in experimental chronic cadmium toxicosis

2020 ◽  
Vol 3 (1) ◽  
pp. 42-46
Author(s):  
A. Y. Ostapyuk ◽  
B. V. Gutyj
Keyword(s):  
Body Weight ◽  
Laying Hens ◽  
Modern Science ◽  
The Body ◽  
Control Group ◽  
Milk Thistle ◽  
Morphological Parameters ◽  
Treatment And Prevention ◽  
Physiological Processes ◽  
Experimental Group

One of the most pressing problems of modern science is the systematic study of natural processes, forecasting and complex assessment of changes in the environment under the influence of anthropogenic load. Blood composition is a relatively constant indicator, which is at the same time one of the labile systems of laying hens. Physiological processes that occur in the body, largely affect the quality of blood. Hematological studies make it possible to study in more detail the effect of cadmium on the body of chickens, on the basis of which a more specific development of the scheme of treatment and prevention of cadmium toxicosis in poultry is possible. The aim of this study was to investigate the effect of milk thistle, methifene and silymevitis on the morphological indices of laying hens in the development of chronic cadmium toxicosis. 32 laying hens, 78 weeks of age, were selected for the study. Four experimental groups were formed: control and three experimental. The control group (C) chickens and the three experimental groups were cadmium sulfate 4 mg/kg body weight in water. The chickens of the experimental group E1 with feed were fed the fruits of milk thistle spotted at a dose of 2.0 g/kg of feed once a day for 30 days. The chickens of the E2 experimental group were fed methifene at a dose of 0.28 g/kg of feed once a day for 30 days with feed. The chickens of the E3 experimental group were fed a sylimevit at a dose of 0.36 g/kg of feed once a day for 30 days. Drinking cadmium sulphate to laying hens at a dose of 4 mg/kg body weight contributed to a decrease in red blood cell count, hemoglobin level and an increase in leukocyte counts. With cadmium load of laying hens, milk thistle, methifene and sylimevit have a positive effect on the morphological parameters of the blood. In chronic cadmium toxicosis in laying hens, the best normalizing effect on the morphological parameters of the blood of experimental chickens is sylimevit, compared with methifene and milk thistle.

scholarly journals On the Issue of Creating a Cream of Reparative Action for the Treatment and Prevention of Cheilitis

2021 ◽  
Vol 9 (A) ◽  
pp. 308-312
Author(s):  
Alexander Kotenko ◽  
Tatyana Yarnykh ◽  
Natalya Zhivora ◽  
Olga Rukhmakova ◽  
Vladimir Kovalev ◽  
...  
Keyword(s):  
Colloidal Stability ◽  
Biologically Active ◽  
Lipophilic Extract ◽  
Bee Pollen ◽  
Ph Values ◽  
Treatment And Prevention ◽  
Light Yellow ◽  
Quantitative Content ◽  
Light Yellow Color ◽  
Osmotic Activity

BACKGROUND: Cheilitis is an inflammatory disease of the lips, its red border, mucous membranes, and skin. There are meteorological, actinic, hypo-, and avitaminosis cheilitis, according to medical indications. Classification of cheilitis includes many types of diseases and is somewhat conditional. For these types of cheilitis treatment are most appropriate to use biologically active substances, in particular lipophilic extract of bee pollen. Lipophilic extract of bee pollen is a complex, concentrated plant-bee product with unique consumer and medicinal qualities. It should be noted that experiments have shown that the bee pollen lipophilic extract has a reparative effect higher than the widespread sea buckthorn oil. AIM: The aim of the work is to create therapeutic and prophylactic cream with lipophilic extract of bee pollen for the cheilitis treatment and prevention. MATERIALS AND METHODS: Cream preparation was conducted by phase inversion. Thermal and colloidal stability, pH values, the quantitative content of carotenoids, viscosity, osmotic activity, and microbiological purity were determined by generally accepted methods. RESULTS: Samples of the cream containing lipophilic extract of bee pollen are a homogeneous mass of soft consistency with light yellow color and pleasant specific odor. In estimating, the thermal stability cream samples cheilitis curing were successfully tested and proved to be stable. When centrifuging, the absence of stratification of the cream into fatty and aqueous phases after the test has showed the stability of the cream. The pH of the cream samples corresponds to the pH of the skin. During a qualitative test green color indicates the presence of carotenoids. Quantitative determination of the carotenoids amount in the cream for treatment and prevention cheilitis (in recalculation to β-carotene) corresponds to the set content of carotenoids in the cream of 5.4 mg. The viscosity of the developed cream at 16.2 s−1 is 68.38 ± 0.21 Pa x s, that fully corresponds to the viscosity of creams. In the study of osmotic activity, it was found that the cream with a glycerol content of 7% provides moderate osmotic activity of the drug for 8 h, which may indicate the absence of overdrying and irritating effect. In terms of microbiological purity, the investigated cream with lipophilic extract of bee pollen meets the requirements of the State Pharmacopoeia for finished medicines for topical use (category 2). CONCLUSION: For the cheilitis treatment and prevention has suggested the composition of the cream which contains biologically active substance – lipophilic extract of bee pollen. The technology of the cream with lipophilic extract of bee pollen was developed. Thermal and colloidal stability, pH values were studied; the quantitative content of carotenoids, viscosity, osmotic activity, and microbiological purity was determined. The research carried out made it possible to make sure of the correctness and rationality of the developed technology of the cream for the treatment and prevention of cheilitis.

scholarly journals THE EFFECT OF «ARCUSIT» ON BIOCHEMICAL AND IMMUNOLOGICAL PARAMETERS BLOOD SERA IN SILVER-BLACK FOX (SILVER-BLACK FOX)

2021 ◽  
Vol 247 (3) ◽  
pp. 192-197
Author(s):  
I.I. Okulova ◽  
◽  
I.A. Domsky ◽  
Yu.A. Berezina ◽  
Z.N. Beltyukova ◽  
...  
Keyword(s):  
Experimental Data ◽  
Blood Serum ◽  
Bactericidal Activity ◽  
Lysozyme Activity ◽  
The Body ◽  
Phagocytic Index ◽  
Control Group ◽  
Immunological Parameters ◽  
Nonspecific Resistance ◽  
Experimental Group

The use of «Arkusit» at a dose of 20 μg / kg of body weight indicates a beneficial effect on the factors of nonspecific resistance of the silver-black fox. The concentration of alkaline phosphatase in the blood serum in the experimental group decreased by 1.8 times (P <0.001), the ALT index - by 1.2 (P <0.05). The concentration of glucose in the experimental group increased 2 times (P <0.05) compared with the control group. In animals of the experimental group, the lysozyme activity of blood serum increased 1.3 times (P <0.05), the OPR reaction and the phagocytic index - 1.4 times (P <0.05), the bactericidal activity of blood serum - 1.8 times (P <0.05). «Arcusit» stimulates the synthesis of gamma globulins, increases the opsonophagocytic, bactericidal activity of blood serum. Thus, the analysis of experimental data indicates that the drug «Arcusit» has a pronounced immunostimulating effect, providing the activation of factors of nonspecific resistance of the body of the silver-black fox.

Evaluation of the effectiveness of ironcontaining drugs in the complex therapy of antenatal hypotrophy of piglets

2021 ◽  
Vol 1 (6) ◽  
pp. 13-17
Author(s):  
R. V. Rogov ◽  
◽  
Zh. Yu. Muradyan ◽  
I. G. Ryazanov ◽  
◽  
...  
Keyword(s):  
Body Weight ◽  
Weight Gain ◽  
Clinical Study ◽  
Body Weight Gain ◽  
Hematological Parameters ◽  
Live Weight ◽  
The Body ◽  
Treatment Regimens ◽  
Complex Therapy ◽  
Experimental Group

In the conditions of the pig breeding complex, the effectiveness of two treatment regimens for antenatal hypotrophy of piglets was studied. Two groups of piglets were formed, where the ironcontaining drug «Ursoferran – 200» was used in complex therapy in the 1st experimental group, and «Ferropen-200»in the 2nd experimental group. In a clinical study, hypotrophic piglets showed characteristic symptoms of the disease. In the experiment, the live weight of piglets was measured at the time of farrowing and on the 3rd, 7th, 14th and 21st days of life. The hematological parameters were studied. The most pronounced therapeutic effect was observed in the 1st experimental group, where the body weight gain was higher by 8,3% than in the 2nd experimental group.

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

2016 ◽  
Vol 1 (2) ◽  
pp. 60-63
Author(s):  
Полищук ◽  
Sergey Polishchuk ◽  
Молянова ◽  
Galina Molyanova
Keyword(s):  
Body Weight ◽  
Blood Cells ◽  
Hematological Parameters ◽  
White Blood Cells ◽  
The Body ◽  
German Shepherd ◽  
Physiological Indicators ◽  
Formalin Edema ◽  
And Function ◽  
Experimental Group

The purpose of research is to increase protective and adaptive reactions, the service and the working potential of an organism of dogs through the use of DHQ. The article presents the results of an experiment to the effect of DHQ on the dynamics of hematological parameters of dogs blood. Dihydroquercetin – an active antioxidant, a natural scavenger of oxygen free radicals, hepatoprotective, has anti-inflammatory action due to limitations of the formalin edema and histamine, and inhibits the formation of serous fluid, pain killers, immunocorrectional properties. Due to the high complexing properties it displays the body of heavy metals, including radionuclides, it helps to restore the tone of blood vessels, normalization of the lipid spectrum of the blood and slows the development of atherosclerotic plaques. Investigations were carried out in Dogs State Service Ministry of I A of Russia zonal center in Samara Region by clinically healthy of dog breed German Shepherd, age 2-4 years with an average body weight of 30 kg on the background conditions and feeding, adopted by the enterprise. Dogs experimental group received Dihydroquercetin to 0.001 g/kg body weight dose once a day with food. When added to the basic diet Dihydroquercetin dog experimental group show an increase in indicators such as red blood cells – by 18.3% (p&#60;0.01), hemoglobin – by 11.7% (p &#60;0.01) hematocrit – 7.1% (p&#60;0.01), white blood cells – by 9.1% (p&#60;0.05) compared to control data. The research results give reason to believe that the use of dietary supplements in Dihydroquercetin in dogs diet dose 0.001 g/kg allows significantly increase the morphological and physiological indicators of animal organism. In this case a significant increase erythrocytes and hemoglobin and hematocrit indicates increased oxidative metabolism and function of the intensity of the blood in dogs treated with the drug, and increase in the blood indicates an increase in immune status.

scholarly journals Intestinal histostructure and immune protection activity of age -1+ carp after consumption of a prebiotic feed additive

2021 ◽  
Vol 4 (2) ◽  
pp. 31-37
Author(s):  
O. P. Dobrianska ◽  
M. I. Zhyla ◽  
O. I. Vishchur ◽  
O. V. Deren ◽  
M. Z. Koryliak
Keyword(s):  
The Body ◽  
Natural Resistance ◽  
Feed Additive ◽  
Phagocytic Index ◽  
Control Group ◽  
Average Weight ◽  
Histological Structure ◽  
Nonspecific Resistance ◽  
Positive Effects ◽  
Experimental Group

Currently, it is important in aquaculture to study and use products and additives, which have positive effects on the digestibility of nutrients by helping to normalize the intestinal microflora, thereby modulating fish immune response. The aim of the study was to assess the effect of a prebiotic based on mannan oligosaccharides produced from the outer walls of Saccharomyces cerevisiae cells on the histological structure, morphometric state of the intestine and activity of cellular and humoral components of nonspecific resistance of age -2+ carp. The experiment was conducted in four analogous ponds, which were stocked with age-1 scaly carp with an average weight of 55–58 g with a stocking density of 1000 fish/ha. Carp had been fed balanced compound feed for 60 days. Experimental groups of fish were fed with a prebiotic as a feed additive in the amount of: 0.025 % – Experiment 1, 0.05 % – Experiment 2 and 0.075 % – Experiment 3. Use of the studied prebiotic did not damage the intestinal histological structure of carp of the experimental groups. The villi height and intestinal crypt depth of carp in Experiment 1 (P < 0.05) and Experiment 2 (P < 0.01) were larger compared to the control group. Experiment 3 showed destructive changes in intestinal mucosa. The results of histological examination indicated the effectiveness of the use of the studied prebiotic in the amount of 0.025 and 0.05 % in the diet of age -1+ carp due to the absence of pathological changes and active morphofunctional state of the intestine, which, in turn, had a positive effect on feed absorption and metabolic processes in fish body. Analysis of the indicators of cellular and humoral links of natural resistance showed that in carp of the second and third experimental groups lysozyme activity of serum was 5 and 11 % (P < 0.001) higher than in the control group. Similar changes, though found in a greater extent, were recorded in the study of bactericidal activity of blood serum, especially in individuals of the second and third experimental groups (by 6.8 (P < 0.01) and 15.2 %). While with carps of the third experimental group, which used a prebiotic drug in the amount of 0.075 %, the content of CEC was 20.5 % higher than in the control group, which indicates an additional antigenic load on the body and is an unfavorable diagnostic factor. At the same time, with the fish of the second experimental group, which received, respectively, 0.05 % of the supplement of the drug “Actigen” to the main diet, probably higher phagocytic activity of blood neutrophils was recorded. A direct dependence of the growth of the phagocytic index and the phagocytic number of neutrophils on the dose of the studied prebiotic was detected. Immunological studies indicated a dose-dependent effect of the prebiotic on the activity of cellular and humoral components of non-specific resistance of carp. Given this, for the effective functioning of innate protective mechanisms, for the increase of the body's immune potential and productivity, it is most appropriate to apply to the diet of carp prebiotic supplement “Actigen” in the amount of 0.025 and 0.05 %.

scholarly journals IMPROVEMENT OF THE REPRODUCTIVE QUALITIES OF CATTLE WITH THE PREVENTION-N-B-S BIOLOGICAL

REPORTS ◽  
2021 ◽  
Vol 335 (1) ◽  
pp. 53-60
Author(s):  
V.G. Semenov ◽  
D.A. Baimukanov ◽  
S.G. Kondruchina ◽  
Kh.A. Aubakirov ◽  
T.N. Ivanova ◽  
...  
Keyword(s):  
Postpartum Period ◽  
Reproductive Function ◽  
The Body ◽  
Control Group ◽  
Trial Group ◽  
Critical Periods ◽  
Nonspecific Resistance ◽  
Biological Preparation ◽  
Gynecological Diseases ◽  
Experimental Group

Productive insemination of cows against the background of heat detection or synchronization of the estrous cycle within a relatively short time after the previous calving is the main factor that determines the productivity and profitability of dairy cattle breeding. Many obstetric and gynecological diseases often occur in the first 2 months of lactation. Postpartum obstetric and gynecological diseases of cows impair their reproductive qualities, which leads to prolonged anestrus, decreased fertility, and depletion of the body. Inflammatory processes of the female reproductive organs are accompanied by enhanced stress. The research aims to prevent diseases of the postpartum period and realize the potential of the reproductive qualities of cows by activating the nonspecific resistance of the organism with the Prevention-N-B-S biological preparation. Based on the performed studies, a method for the prevention of obstetric-gynecological diseases of the postpartum period and an increase in the reproductive function of cows by increasing the nonspecific resistance of the body with the biological Prevention-N-B-S is proposed. The newly designed biological preparation was for the first time used in cows of the 2nd experimental group intramuscularly at a dose of 10 ml 35-30, 15-10, and 10-5 days before the expected calving time, and the animals of the 1st experimental group were injected with Dorogov's antiseptic stimulator of fraction 2 in combination with eleovitum in a ratio of 1:9 60 days before the scheduled calving dates. It was found that in cows of the 2nd trial group (28.8±0.56 days), the first estrus began 5.8 and 14.4 days earlier than in the mates of the 1st trial group (34.6±0.93 days) and control (43.2±1.64 days) groups. There was a decrease in the conception rate in cows of the 1st (1.8±0.24) and 2nd (1.4±0.36) trial groups, in comparison with the control (2.6±0.26). The service period in the 1st (64.6±1.62 days) and 2nd (57.8±1.50 days) experimental groups decreased compared to the control group (89.2±3.02 days). In the first sexual estrus in the control, 1st and 2nd experimental groups, 2, 4, and 6 cows have become fertile, respectively. The use of biological in the critical periods of cow pregnancy reduced the risks of uterine subinvolution, endometritis, and mastitis in the postpartum period, and also increased the reproductive qualities of cows. The most expressed corresponding effect was obtained when using the biological preparation Prevention-N-B-S.

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