Ukrainian Journal of Veterinary and Agricultural Sciences最新文献

{"title":"Effects of selenium on metabolic processes in the body of ducklings and their productive qualities","authors":"O. Sobolev, B. Gutyj, S. V. Sobolieva, P. Kuzmenko, V. Liskovich, A. Melnychenko, Y. Melnychenko","doi":"10.32718/ujvas6-1.02","DOIUrl":"https://doi.org/10.32718/ujvas6-1.02","url":null,"abstract":"Today, indicators controlling poultry's mineral nutrition have significantly increased. However, the physiological need of various types and technological poultry groups for certain mineral elements that perform essential biochemical functions in the body has yet to be definitively established. This also applies to such an element as Selenium, which, according to modern classification, is recognized as an indispensable biotic ultramicroelement with a broad spectrum of biological action. The inclusion of Selenium in the composition of mixed feed for young poultry changes the direction of physiological and biochemical processes in the body and improves metabolism and, as a result, contributes to the increase in their live weight, viability, feed conversion, slaughter, and meat qualities, improvement of organoleptic indicators of meat, its amino acid composition, energy, and biological value. We conducted comprehensive scientific studies to deepen and expand modern ideas about the biological role of Selenium, its influence on the productive qualities, and internal indicators of ducklings in the postembryonic period of ontogenesis. One of the tasks was to study the causal relationship between the level of consumption of Selenium with feed by ducklings and the studied indicators. Experimental studies were conducted on ducklings of the Ukrainian white breed. Following existing standards, feeding ducklings daily to 56 days of age was carried out with complete mixed feeds, balanced in essential nutrients and biologically active substances. Ducklings of the first control group did not receive selenium supplementation in mixed feed. Poultry of experimental groups (2–4) was additionally injected with different amounts of Selenium, respectively, by 0.2 mg/kg, 0.4, and 0.6 mg/kg. When conducting a correlation analysis of the obtained experimental data, it was found that between the economically useful and interior features included in the analysis, there are different levels and directions of the relationship, which may vary depending on the level of selenium consumption by ducklings. A scheme of modeling the effect of Selenium on the ducklings’ organism raised for meat is proposed.","PeriodicalId":231752,"journal":{"name":"Ukrainian Journal of Veterinary and Agricultural Sciences","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124581582","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparative assessment of reproductive capacity of boar-sires depending on the breed and season","authors":"O. Miroshnikova, S. Naumenko","doi":"10.32718/ujvas5-3.05","DOIUrl":"https://doi.org/10.32718/ujvas5-3.05","url":null,"abstract":"The article highlights the results of the reproductive capacity of different breeds of boar sires in the farms of eastern, southern, and central regions of Ukraine in dynamics over three years are given. It represented the influence of the year's season on sperm quality by estimating the ejaculate volume, concentration, and motility of sperm of boars-sires of the different breeds and their hybrids. Data were also calculated on the culling of ejaculates of boar sires of various breeds for the years 2019–2021 in the dynamics. In a comparative aspect, the indicators were analyzed by the following genotypes: Large White, Ukrainian Meat, Landrace, Duroc, Yorkshire, and synthetic line Makster. The reproductive capacity of boars was within the limits of the indicators for the elite and first classes. However, specific differences were observed between boars of different breeds, which were constant and took place during the three studied years. The difference in the concentration of sperm in the ejaculates of the Ukrainian Meat breed gradually decreased starting from 2019 and was the smallest in 2021. The highest ejaculate volume was found in boars of the Ukrainian meat breed (310.9 ± 113.2 cm3), and the sperm concentration was the highest in boar sires of the Large White breed (215.7 ± 83.5 million/cm3). On the other side, hybrids of the Large White breed had low indicators compared to other groups of animals (Large White × Yorkshire – 184.2 ± 68.5 million/cm3, Large White × Makster – 189.0 ± 59.7 million/cm3). Sperm motility did not undergo significant breed differences: the average annual indicator of motility was 7.6 ± 0.09 points, and it was the highest in the winter period (8.6 ± 0.11 points), however, for the established variances; the dilution was used 1.65–3.58 times and a high percentage of unusable sperm (15.4–29.4 % of the total amount) was established in a large number of samples. According to the results of the annual analysis of the sperm production of boars, a high degree of culling of ejaculates was established for various reasons (high level of sperm agglutination (52.3–74.0 %), low concentration of germ cells (14.5–29.8 %), presence of foreign impurities (5,8–12.4 %). The highest percentage of culling was in summer (20.3 %). Thus, the obtained results showed the breed and seasonal characteristics of the reproductive capacity of breeding boars.","PeriodicalId":231752,"journal":{"name":"Ukrainian Journal of Veterinary and Agricultural Sciences","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125776463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Feeding and meat qualities of young pigs of different genotypes according to melanocortin 4 receptor (Mc4r) gene and interbreed differentiation according to the coefficient of decrease in growth intensity in early ontogenesis","authors":"V. Khalak, B. Gutyj","doi":"10.32718/ujvas5-3.01","DOIUrl":"https://doi.org/10.32718/ujvas5-3.01","url":null,"abstract":"The paper presents the results of studies of fattening and meat qualities of young large white pigs of different genotypes for the melanocortin receptor 4 (Mc4r) gene and the decline in growth intensity in early ontogeny. The research was carried out in the agricultural formations of the Dnipropetrovsk region, the Jazz meat processing plant, the laboratory of the genetics of the Institute of Pig Breeding and APV of the National Academy of Sciences, and the laboratory of animal husbandry of the State Institution “Institute of Grain Crops of the National Academy of Sciences”. The work was carried out following the scientific research program of the National Academy of Sciences No. 30, “Innovative technologies of breeding, industrial and organic production of pig farming products” (“Pig farming”). Assessment of animals for fattening and meat quality was carried out taking into account the following characteristics: average daily gain of live weight during the period of control fattening, g; the age of reaching 100 kg live weight, days, length of the chilled carcass, cm; length of the bacon half of the cooled carcass, cm; thickness of lard at the level of 6–7 thoracic vertebrae, mm. The coefficient of decline in growth intensity was calculated according to the method of Yu. K. Sviechin. Biometric research results were processed using generally accepted methods. It was established that according to live weight at 4 and 6 months of age, fattening and meat qualities (age of reaching a live weight of 100 kg, days; lard thickness at the level of 6–7 thoracic vertebrae, mm; length of the chilled carcass, cm) young pigs the controlled population belongs to the I class and the elite class. The coefficient of growth decline in animals of the controlled population ranges from 108.57 to 142.51 points. The data analysis shows that according to the live weight at 4 and 6 months of age, the age of reaching the live weight of 100 kg, the fat thickness at the level of 6–7 thoracic vertebrae, and the length of the chilled carcass, the young pigs of the controlled population belong to the I class and the elite class. Animals of the Mc4r АГ genotype prevail over peers of the Mc4r AA genotype in terms of fattening and meat qualities by an average of 5.90 %. The interbreed differentiation of young pigs by the coefficient of the intensity of growth decline (∆K) shows that the difference between the animals of the experimental groups in terms of the average daily gain in live weight is 23.3 g (td = 2.62), the age of reaching 100 kg live weight is 2.7 days (td = 1.59), the length of the cooled carcass is 1.4 mm (td = 2.12). The number of reliable correlations between fattening and meat qualities, coefficient of the intensity of growth decline (∆K), and Tyler B. index is 75.0 %, which indicates the possibility of their use in selection and breeding work. The use of young pigs of the Mc4r АG genotype and animals of the I group, in which the coefficient of the intensity of gro","PeriodicalId":231752,"journal":{"name":"Ukrainian Journal of Veterinary and Agricultural Sciences","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121390497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Study of the activity of sunflower honey against a mixed microbial association isolated from bees with signs of dyspepsia in laboratory conditions","authors":"T. Romanishina, T. Kot, S. Guralska, S. Furman, Z. Rybachuk, O. Kysterna","doi":"10.32718/ujvas5-3.02","DOIUrl":"https://doi.org/10.32718/ujvas5-3.02","url":null,"abstract":"Beekeeping is one of the essential branches of agriculture in Ukraine, the main activity of which is aimed at breeding bees and obtaining honey and other products beneficial for human health. Maintaining the physiological state of bee colonies at the proper level is one of the essential tasks of veterinary medicine doctors and beekeepers. Compliance with veterinary and sanitary requirements at bee farms is the basis of preventing infectious pathologies in bee colonies. Since the body of insects has a fast metabolism, any infectious pathology quickly acquires a massive manifestation. One indicative symptom of infectious damage to the “gut” of bees is dyspepsia. Diarrhea, anorexia, and loss of productivity are observed in bees in this condition. The market of means to prevent such pathological manifestations in beekeeping is relatively narrow. The healing and favorable properties of honey, manifested in pain-relieving, antimicrobial and anti-inflammatory effects, have been known since ancient times. Sunflower honey differs from other types in a wide range of components, particularly phytoncides, which inhibit the growth of pathogenic microorganisms. Therefore, the main goal of the experiment was a laboratory study of the effect of different concentrations of sunflower honey sieve on the mixed microbial association isolated from bees with signs of dyspepsia. The activity of sunflower honey in laboratory conditions was studied by the disco-diffusion method in Petri dishes on MPA medium (meat-peptone agar). To obtain syrup from sunflower honey, sunflower honey was diluted with distilled water in a ratio of 1:1, working solutions were prepared from sunflower honey syrup in dilutions of 1:2, 1:4, 1:10, 1:100. The data analysis indicates the bacteriostatic activity of the syrup from sunflower honey in all studied concentrations concerning the mixed microbial association. Moreover, the largest diameter of the growth inhibition zone of the studied microorganisms was noted when the syrup from sunflower honey was diluted in a ratio of 1:10 (19.2 ± 0.42 mm). In turn, the antagonistic effect of the syrup from sunflower honey was observed in all dilutions concerning the mixed microbial association, where the largest diameter of the antagonism was 19.6 ± 0.27 mm when the disc was impregnated with the native working solution. Thus, it is promising to accumulate and identify a pure culture antagonist concerning a mixed culture of bacteria isolated during bee diarrhea to further create a pharmacological agent for preventing infectious pathologies of bees in unhealthy apiaries.","PeriodicalId":231752,"journal":{"name":"Ukrainian Journal of Veterinary and Agricultural Sciences","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129329432","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Histological Studies of Snails at Different Periods of Their Life Activity","authors":"I. Danilova, T. Fotina, T. Danilova","doi":"10.32718/ujvas5-3.04","DOIUrl":"https://doi.org/10.32718/ujvas5-3.04","url":null,"abstract":"Large species of terrestrial mollusks are used for human consumption and are bred for this purpose. They have become a part of national cuisine in many countries. Histology is used in many fields of humane and veterinary medicine. Its main essence is that this method can diagnose the presence of formations and inclusions. It is used to determine this process's structure and stage of development. Samples of different tissues can be used as material for histological examination. The specialist analyzes and describes the histological preparations obtained after processing the material. Thus, we proposed a histological method of studying snails. This method can provide the data of snails’ state as a whole. Snails of the species Helix aspersa maxima, Helix aspersa muller, and Helix pomatia were the material for the study. Ten snails of each species were selected for the experiment at different periods: immediately after hibernation, five days after wakening, 14 days after wakening, and at the time of their active life – in July. First, we conducted histological studies of snails during their active life, i.e., in the summer months. Therefore, for this purpose, snails for the experiment were taken in July. It was determined that if the snail eats and has an everyday life, its digestive gland generally consists of digestive tubules separated by intertubular connective tissue containing hemolymphatic sinuses and hemocytes. Thus, in our research, we studied the structure of the digestive gland. A circular muscle layer surrounds each tubule. There are three different cell types in the epithelium lining the tubules of the digestive glands, which differentiate into digestive cells, calcium cells, and excretory cells. Digestive cells are the most numerous cellular component of the tubular epithelium of the digestive gland. Basally located nuclei of digestive cells have a round or oval shape. During the rest period, the digestive gland of snails is characterized by a complete loss of digestive function and the transformation of digestive cells into excretory ones. Metabolic products are not excreted into the environment. When they accumulate, they fill all cavities in the body of snails, namely the lumens of glandular tubules, excretory ducts, stomach, and intestines. Food intake in snails increases the level of metabolism. It stimulates the differentiation of digestive cells, the functional activity of excretory cells, and the volume of excretory products. It leads to the complete liberation of the digestive tract from accumulated excretion products during the rest period. The structure of the digestive gland is completely restored.","PeriodicalId":231752,"journal":{"name":"Ukrainian Journal of Veterinary and Agricultural Sciences","volume":"202 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131507916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cyto- and histoarchitectonics of the chicken spleen in the post-vaccination period","authors":"T. Budnik, S. Guralska","doi":"10.32718/ujvas5-3.03","DOIUrl":"https://doi.org/10.32718/ujvas5-3.03","url":null,"abstract":"One of the main functions of the spleen is participation in many immunological processes, protecting the body from various harmful agents. It is a secondary organ of lymphopoiesis and the only organ of immunogenesis, which provides immune control of blood and detects genetically foreign agents in it, and performs the role of a biological filter. Therefore, the Study of its histo-architectonics has theoretical and practical significance. The histostructure of the spleen of chickens has significant differences, particularly the absence of trabeculae, a small amount of connective tissue based around large vessels. The structure of the spleen of one-day-old vaccinated and non-vaccinated chickens is not formed, as there is no differentiation of the white pulp from the red pulp, which is related to the biological features of the chickens' body. According to our research, the presence of lymphoid nodules is observed for the first time in the 25-day age of the vaccinated group chickens. According to morphometric studies, it was established that their number was 2.33 ± 0.42 pcs. Comprehensive farm vaccination programs include ten vaccinations of chickens up to 100 days of age. Under the influence of multiple antigenic stimulations in the following age periods of a 50-day-old bird (after six vaccinations: twice against infectious bronchitis and infectious bursal disease, once against Marek's disease and Newcastle disease), the 75-day (after nine times vaccination), 100-day (after ten times vaccination) number and sizes of lymphoid nodules, as well as periarterial lymphoid sheaths and periellipsoid lymphoid sheaths increased concerning chickens of the control group. Our research established that the histostructure of the spleen of one-day-old chickens of the experimental and control groups is incomplete. The bird's spleen, a peripheral organ of immune protection, is formed at 25 days. However, chickens are vaccinated twice (against Marek's disease and infectious bronchitis) in the incubator when they are less than one day old, and 90% of the planned vaccinations are completed by the age of 75 days. Therefore, studying morphological changes in the spleen of birds of different ages can be an essential tool for re-evaluating preventive treatment protocols in modern poultry farming.","PeriodicalId":231752,"journal":{"name":"Ukrainian Journal of Veterinary and Agricultural Sciences","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129206286","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Monitoring of the epizootic situation regarding trichurosis of sheep in the Poltava region","authors":"M. Petrenko, V. Kharchenko","doi":"10.32718/ujvas5-3.06","DOIUrl":"https://doi.org/10.32718/ujvas5-3.06","url":null,"abstract":"Sheep breeding is a branch of animal husbandry that is unique in terms of the variety and specificity of products. Sheep can utilize feed resources that are almost inaccessible to other types of farm animals. One of the factors in increasing the efficiency of sheep breeding is ensuring the well-being of farms concerning invasive diseases, particularly trichurosis. Successful control of trichurosis in sheep farms is the most effective for monitoring and forecasting the development of the epizootic situation depending on the climate-geographical zone. The work aimed to monitor the epizootic situation regarding sheep trichurosis in the Poltava region. According to the analysis of the statistical data of the reporting documentation of the Main Department of the State Production and Consumer Service in the Poltava region for 2018–2022, it was established that the share of helminthiasis among diseases of infectious etiology of sheep reaches 99.6 %. At the same time, among helminthiasis, nematodes have the highest specific weight – 69.0 %, and trematodes were less common – 31.0 %. Strongyloidiasis (68.05 %) was diagnosed most frequently among helminth infections during the studied period. A smaller percentage was strongylidosis of digestive organs (17.16 %) and trichurosis (11.24 %). Dictyocaulosis was rarely diagnosed among livestock (3.55 %). The average extent of trichurosis infestation of sheep during the investigated period in the territory of the Poltava region was 7.51 %, ranging from 5.83 to 9.26 %. Indicators of the extent of trichurosis invasion ranged from 5.45 to 33.33 % by area. According to the results of coproovoscopy, the highest values of sheep infestation with Trichuris were found in the farms of Karliv and Mashiv regions – 33.33 and 20.0 %, respectively. Less often, trichurosis was diagnosed in sheep farms of Dykanskyi (8.0 %), Reshetylivskyi (6.67 %), and Kotelevskyi (5.45 %) districts. The obtained data from monitoring studies prove the relevance of the further and more in-depth analysis of the spread of trichurosis infestation among sheep in the territory of the Poltava region, taking into account the age and seasonal dynamics of the disease, as well as the peculiarities of its course as part of mixed infestations.","PeriodicalId":231752,"journal":{"name":"Ukrainian Journal of Veterinary and Agricultural Sciences","volume":"125 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130549015","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Peculiarities of physico-chemical condition of uterine vaginal mucus during estral cycle","authors":"H. Maksymyuk, V. Maksymyuk, H. Sedilo, O. Stadnytska, O. K. Onufrovych, Z. Vorobets, B. Gutyj","doi":"10.32718/ujvas5-2.06","DOIUrl":"https://doi.org/10.32718/ujvas5-2.06","url":null,"abstract":"The primary aim of the work was to study the peculiarities of the influence of endogenous factors (products of inflammatory processes occurring in the tissues of female genitals) in the biological system of type “environment (uterine-vaginal mucus) – substance (water, organic and inorganic substances)” on the indicators of mass (g, mg) of its components. The results of the experiments indicate that their harmful effect changes the color and density of mucus released during estrus (UVM); reduces the parameters of the mass content of H2O and inorganic substances (IS), but increases – organic (OS). Under these circumstances, the distribution of the parameters of the mass of the components of the dry residue (DR, dried at 105 oC) of UVM of cows of the experimental group is presented in a row where the mass of ОS1 (burn at 520–530 oC) ˃IS ˃ОS2 (burn at 650 оС), but for control is another as well as mass of IS˃ОS1˃ОS2. This means that the harmful effects of inflammatory products on the genital tissues of females negatively affect the distribution of the mass of OS and IS in the system “environment-substance”.","PeriodicalId":231752,"journal":{"name":"Ukrainian Journal of Veterinary and Agricultural Sciences","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126334406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Erythron and protein system in piglets blood under stress influence","authors":"I. Kovalchuk, O. І. Slepokura, I. Kolomiiets, V. A. Кolotnytskiy, L. S. Garmata, P. Golovach, O. Kamratska","doi":"10.32718/ujvas5-2.05","DOIUrl":"https://doi.org/10.32718/ujvas5-2.05","url":null,"abstract":"The article presents the results of research on the development of adaptive syndrome in the system of erythron and protein of piglets at the effects of weaning stress. After one (anesthetic stage) and seven days (beginning of G.Selle's resistance stage), after the echoing, the adaptation of the erythron system was shown by a decrease in the number of red blood cells on the contrary of increasing the mean corpuscular volume and hemoglobin indicating the inhibition of erythrocytosis with simultaneous macrocytosis, and a decrease in mean Corpuscular hemoglobin concentration for 14.0–13.0 % that indicated hypochromia. In these stressful periods, the catabolism of protein substrates was discovered, the redistribution of albumins between blood and tissues in the form of a decrease in the total protein content by 6.1–7.1 % due to albumin by 14.8–10.0 %, and the deficit of the humoral link of the immune response due to reduction of γ-globulins by 29.9–18.7 %. In the later stages of the resistance stage (after 20 and 60 days after weaning), there was a stabilization of erythrocytic indices and the development of anisocytosis in the form of an increase in red cell distribution width by 19.0 %, with a simultaneous decrease of 6.1 % of the total protein content, redistribution of its fractions in the side of the growth of γ-globulins by 18.4 %. A practical, prolonged way of preventing disorders in the erythron and protein of extramarital piglets was feeding the additive “Biovir”, which stimulated the intensity of oxidative-reducing processes and the exchange of proteins.","PeriodicalId":231752,"journal":{"name":"Ukrainian Journal of Veterinary and Agricultural Sciences","volume":"110 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124417428","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Study the effectiveness of using a complex of disinfectants and probiotics in the presence of poultry","authors":"O. Chechet, V. Kovalenko, O. Vishchur, O. Haidei, O. Krushelnytska, B. Gutyj","doi":"10.32718/ujvas5-2.02","DOIUrl":"https://doi.org/10.32718/ujvas5-2.02","url":null,"abstract":"In the industrial production of broiler meat, optimal housing conditions are created to increase productivity and meat quality. To maintain the natural resistance of poultry, the technology of poultry must use probiotics and quality, safe disinfectants. This article deals with the discussion due to the research results on the integrated use of two probiotics and two disinfectants in raising broiler chickens. The scheme, modes, and terms of using probiotics and disinfectants for broiler chickens during their cultivation are offered. Doses and concentrations of the studied preparations are also generalized. The influence of the investigated preparations on hematological parameters, growth, and safety of poultry was analyzed. The results of the research showed that feeding with probiotics and disinfectants did not significantly influence the daily feed consumption of chickens but caused a 6.2 % increase in average daily gain and a decrease of 0.1 feed conversion rate in chickens of the experimental group. Production investigation has determined the modes of disinfection of poultry houses in the presence of broiler chickens when using a disinfectant, “Biolide”, based on hydrogen peroxide, lactic acid, and lactic acid. The bactericidal effect of disinfection of walls, floors, and feeding troughs of the premises with aerosol use of disinfectant “Biolide” and spraying of probiotic powder “Biozapin” 2 days after treatment, at the rate of 10‒30 g/m2 1 time in 2 weeks. There was an increase in the productivity of the studied poultry for feeding with probiotic feed “Biomagn” at the rate of 0.5 kg per ton of feed according to the scheme: from one day of age – seven consecutive days and 22 days of age – seven days in a row with constant water treated with disinfectant preparation “Diolide” based on chlorine dioxide, which made it possible to get quality products and cost-effective production. According to the research results, it is set that the optimal mode of aerosol disinfection of poultry houses in the presence of broiler chickens using 0.2 % disinfectant “Biolide” is 50 ml/m3 of the room at an exposure of 60 minutes. The safe and optimal concentration of the disinfectant “Diolide” during water treatment in the water supply system at a dose of 1.0 mg/l of chlorine dioxide corresponds to 0.0004 % concentration. The bactericidal effect of disinfecting the room's surface in the presence of poultry during its rearing after disinfection with the disinfectant “Biolide” and probiotic “Biozapin” was almost 100 %, which confirms its effectiveness. Under the action of the investigated preparations, a stimulating influence on the gas transport function of the blood of broiler chickens was revealed, especially in the older age of their rearing. In particular, at the age of 34 days, the concentration of hemoglobin was higher by 10.7 % (P < 0.05), and the number of erythrocytes at the age of 34 and 41 days – by 41.7 (P < 0.01) and 24.1 % (P < 0.01), respectively. At th","PeriodicalId":231752,"journal":{"name":"Ukrainian Journal of Veterinary and Agricultural Sciences","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124233928","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}