Kormlenie sel'skohozjajstvennyh zhivotnyh i kormoproizvodstvo (Feeding of agricultural animals and feed production)最新文献

{"title":"Phitosomin drug and its use in poultry farming","authors":"O. Vasiliadi, E. V. Kuzminova","doi":"10.33920/sel-05-2403-03","DOIUrl":"https://doi.org/10.33920/sel-05-2403-03","url":null,"abstract":"Solving the problem of normalizing metabolic processes and the morphological and functional state of the liver in poultry through the use of pharmacological agents seems to be an important reserve for increasing the effi ciency of industrial poultry farming and food production. Promising in this regard are studies on the development of medicines based on plant resources, which are characterized by structural diversity, multifunctionality of pharmacological action and low toxicity. The purpose of the research was to develop the liposomal drug Phitosomin, study its pharmacological and toxicological properties and substantiate the eff ectiveness of its use in poultry farming. Biopharmaceutical research has been carried out to develop a liposomal drug for veterinary use with a multifunctional pharmacological eff ect. The component composition of the drug Phitosomin represented by lecithin, dihydroquercetin, extracts of milk thistle, common agrimony and hare’s-ear, has been substantiated. A liposomal dosage form of the drug has been developed. Its physicochemical properties and shelf life have been established. The toxicological characteristics of the drug Phitosomin were studied, which made it possible to determine the degree of safety of its use in rearing of broiler chickens. Data were obtained experimentally on the pharmacological eff ects of Phitosomin on laboratory animals and broiler chickens when modeling various pathologies. The pharmacodynamic eff ect of the drug on blood parameters and productive traits of broiler chickens has been established, and the eff ective dose of its use in rearing broiler chickens has been determined. It was established as a result of the production inspection that when Phitosomin was introduced into the main diet of poultry of the experimental group at a dose of 5 g/kg of feed during the growth and finishing periods of feeding, there was an increase in the live weight of broiler chickens by 12,6 % and the livability of livestock by 1,6 abs.% compare with the control group.","PeriodicalId":268790,"journal":{"name":"Kormlenie sel'skohozjajstvennyh zhivotnyh i kormoproizvodstvo (Feeding of agricultural animals and feed production)","volume":"373 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140447926","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":"Production and use of glucose-maltose-amino acid feed additive from cereal grains","authors":"K. Motovilov","doi":"10.33920/sel-05-2403-02","DOIUrl":"https://doi.org/10.33920/sel-05-2403-02","url":null,"abstract":"One of the important issues in domestic livestock farming is the production of high-quality and environmentally friendly poultry products. Currently, technology and technological means have been developed for processing cereal grains into easily digestible sugars and amino acids using elements of nanotechnology such as cavitation, ionization and fermentation. Technical documentation has been developed for this technology. The technology was introduced at the Berdskaya poultry farm LLC in the Novosibirsk region. A distinctive feature of this technology is that the resulting new glucose-maltose-amino acid feed additive, which has high digestibility and biological value. Easily digestible sugars: glucose, maltose and amino acids obtained using new technology at low temperatures are better digested and absorbed by the poultry’s body. The purpose of the work was to analyze the production and use of glucose-maltose-amino acid feed additive from cereal grains and its use in feeding of boiler chickens. Testing of the new feed additive was carried out at the Berdskaya poultry farm LLC on broiler chickens of the 4-line cross Sibiryak. It was found as a result of research of a new glucose-maltose-amino acid feed additive when feeding broiler chickens that its introduction into the diet of broiler chickens had a positive impact on economic performance. Thus, in the control group the profi t was 7919 rubles, and in the experimental group it was 10 034 rubles. The level of profitability in the experimental group was higher than in the control group by 5,7 abs.%. Feeding broiler chickens by the new feed additive helped reduce the content of lead and cadmium in muscle tissue, so this product can be used for dietary nutrition.","PeriodicalId":268790,"journal":{"name":"Kormlenie sel'skohozjajstvennyh zhivotnyh i kormoproizvodstvo (Feeding of agricultural animals and feed production)","volume":"246 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140445965","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":"Infl uence of feeding carbohydrate feed additives on the productivity of cows and the quality of milk","authors":"N. Lushnikov, N. Pozdnyakova, V. V. Lapteva, N. M. Kostomakhin","doi":"10.33920/sel-05-2403-01","DOIUrl":"https://doi.org/10.33920/sel-05-2403-01","url":null,"abstract":"Many studies have proven that the genetic potential of animals is realized with proper feeding and this cannot be achieved without the use of biologically active feed additives. The purpose of the research was to use the additives Living Protein and Tanrem Sh with hepatoprotective properties in the rations of lactating cows in the fi rst 100 days of lactation. The scientifi c and farm experiment was carried out at the breeding farm of Razliv LLC in the Kurgan region on 30 mature lactating cows of Black-and-White breed. The experiment was carried out in 2022–2023. New generation additives Living Protein and Tanrem Sh combining nutritional and hepatoprotective properties help increase milk production in the fi rst 100 days of lactation. Feeding the additives to lactating cows at 500 g/head/day contributed to an increase in milk production in the experimental groups compared to the control group. Thus, in the fi rst 100 days of lactation the milk yield of natural fat milk in cows of the 1st experimental group exceeded that of their herdmates in the control group by 310,0 kg or 11,75 % and the milk yield of cows of the 2nd experimental group was higher than the control group by 342,5 kg or 12,98 %. In terms of 4 % milk, the milk yield of cows in the experimental groups receiving the test additives was higher by 375,2 kg and 428,0 kg, which exceeded the milk yield of cows in the control group by 14,38 and 16,40 %, respectively. The inclusion of feed additives in the ration also had a positive eff ect on the fat and protein content in the milk of cows in the experimental groups. Thus, in the 1st experimental group the advantage in the mass fraction of fat compared to the control group was 0,16 abs.%, and protein 0,04 abs.%, and in the 2nd experimental group the superiority was 0,21 and 0,08 abs.%, respectively. Milk indicators for the content of somatic cells and Quantity of Mesophilic Aerobic and Facultative Anaerobic Microorganisms have improved.","PeriodicalId":268790,"journal":{"name":"Kormlenie sel'skohozjajstvennyh zhivotnyh i kormoproizvodstvo (Feeding of agricultural animals and feed production)","volume":"469 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140446886","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":"Growth and development of winter wheat when using growth regulators with retardant properties under conditions of the Non-Chernozem belt","authors":"S. B. Govorkova, S. I. Voronov","doi":"10.33920/sel-05-2403-05","DOIUrl":"https://doi.org/10.33920/sel-05-2403-05","url":null,"abstract":"High efficiency of using growth regulators is achieved only against the backdrop of balanced plant nutrition and a high level of agricultural technology. The use of growth regulators alone without balanced mineral nutrition of agricultural plants does not give the desired results. Thus, due to lodging of plants we can lose from 10 to 50 % of the cultivated products. As a result, in the country as a whole the shortage of grain can reach up to 15 million tons, which negatively aff ects the production of food and feed grain. The introduction of new progressive technologies using retardants is highly relevant, because will allow us to obtain stable grain yields even under unfavorable weather conditions. The purpose of the research was to identify the effectiveness of using growth regulators with retardant properties of a new generation when growing winter wheat with diff erent seeding rates, as one of the elements of agricultural technology under the conditions of the Central region of the Non-Chernozem belt of the Russian Federation. Under the conditions of the Central region of the Non-Chernozem belt of the Russian Federation the infl uence of growth regulators with retardant properties of a new generation on the productivity of winter wheat variety Nemchinovskaya 17 and the degree of plant lodging was studied in a multifactorial experiment. Features of the growth and development of winter wheat plants of Nemchinovskaya 17 variety, the formation of the main structural indicators and yield under the infl uence of growth stimulants with retardant properties were revealed. It was established as a result of the conducted research that when cultivating winter wheat under the conditions of the Central region of the Non-Chernozem belt of the Russian Federation on sod-podzolic, medium loamy soils, it was recommended to use the growth regulator with retardant properties Raggi at a dose of 1,5 l/ha in the tillering phase – the beginning of booting with a working solution consumption of 300 l/ha. When cultivating we recommend to use a sowing rate of viable seeds of 5,5 million/ha.","PeriodicalId":268790,"journal":{"name":"Kormlenie sel'skohozjajstvennyh zhivotnyh i kormoproizvodstvo (Feeding of agricultural animals and feed production)","volume":"185 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140448306","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":"Feed additive “Amylocin” and its infl uence on the metabolism and productivity of the wether hogs of Kalmyk fat-rumped breed","authors":"B. Appaev","doi":"10.33920/sel-05-2403-04","DOIUrl":"https://doi.org/10.33920/sel-05-2403-04","url":null,"abstract":"The purpose of the work was to scientifically and production substantiate the possibility of using the new generation probiotic feed additive “Amilocin” in feeding young sheep of the meat-fat type of productivity and to study the effect of its various dosages on the metabolism, meat and wool productivity of wether hogs of Kalmyk fat-rumped breed. Under the conditions of the arid zone of Southern Russia, the possibility of using the probiotic feed additive “Amylocin” in the rations of young sheep of Kalmyk fat-rumped breed was experimentally substantiated. The optimal dose of its introduction into the ration of wether hogs, the effect on the digestibility and use of nutrients in the ration, growth energy, meat and wool productivity, hematological parameters, as well as on the eff ectiveness of use in rations have been established. It was established as a result of the research that among the various dosages of the probiotic feed additive “Amylocin” studied in rations, the optimal and eff ective dose was 10 g/head/day. The inclusion of the probiotic “Amylocin” in the optimal amount in the ration of wether hogs ensured their more stable and intensive growth by 8,1 %, and contributed to better formation of meat and wool productivity in animals by 10,9 and 9,0 %, respectively. The use of the probiotic feed additive “Amylocin” in the ration of the wether hogs in an amount of 10 g/head/day improved the morphological composition of the carcasses; the amount of meat in them signifi cantly increased by 11,2 % and the weight of the fat tail by 15,2 %. The use of the probiotic feed additive “Amylocin” in the rations of wether hogs of Kalmyk fat-rumped breed in optimal dosages was economically beneficial, which helped reduce feed intakes by 15,2 % and generate additional profit in the amount of 355,9 rubles from each realized head.","PeriodicalId":268790,"journal":{"name":"Kormlenie sel'skohozjajstvennyh zhivotnyh i kormoproizvodstvo (Feeding of agricultural animals and feed production)","volume":"940 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140446079","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":"Influence of propylene glycol and succinic acid on metabolism processes in pregnant ewes and their offspring","authors":"G. F. Ryzhkova, N. N. Nikitaeva","doi":"10.33920/sel-05-2402-05","DOIUrl":"https://doi.org/10.33920/sel-05-2402-05","url":null,"abstract":"Sheep farming is an important branch of the world’s livestock industry producing valuable food products and raw materials for industry. In terms of the variety of products produced, it has no equal among productive livestock farming sectors. Sheep farming produces valuable types of raw materials for light industry (wool, lamb pelt, fur, fur coats and leather sheepskins) and food products (meat, dairy products, etc.). The purpose of the research was to study the characteristics of metabolic processes in Romanov breed ewes during pregnancy and their off spring using succinic acid and propylene glycol, both separately and in its combination. In order to carry out the experiment, 3 groups of ewes analogues at the age of fi rst pregnancy per 10 heads in each were formed. Pregnant ewes of the 1st experimental group received the basic diet + succinic acid, and those of the 2nd experimental group received the basic diet + succinic acid + propylene glycol. The control group received only the basic diet. By 5 months of age the live weight of lambs obtained from ewes of the 1st experimental group was 1,1 % more than in the control group. The live weight of young animals from ewes of the 2nd experimental group exceeded the control by 9,5 % (p ≤ 0,05) and the 1st experimental group by 8,3 % (p ≤ 0,05), respectively. Thus, the study of the characteristics of metabolic processes in Romanov breed ewes during pregnancy and their off spring using succinic acid and propylene glycol, both separately and in its combination showed the positive effect of the tested additives. The best effect was exerted by the combined use of succinic acid and propylene glycol, which was confirmed by the results of a production test.","PeriodicalId":268790,"journal":{"name":"Kormlenie sel'skohozjajstvennyh zhivotnyh i kormoproizvodstvo (Feeding of agricultural animals and feed production)","volume":"20 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140505463","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":"Enterosorbent from modified glauconite concentrate in the feeding of young cattle","authors":"O. B. Filippova, N. M. Kostomakhin","doi":"10.33920/sel-05-2402-03","DOIUrl":"https://doi.org/10.33920/sel-05-2402-03","url":null,"abstract":"Currently, the fi rst place is taken by the qualities of feed additives used in feeding highly productive cattle, such as biological and sorption activity, harmlessness and bioavailability. For this reason, recently there has been a significant increase in scientific and practical interest in the use of feed additives that help not only increase the productivity of farm animals, but also improve their health. The purpose of the work was to study enterosorbent from a modifi ed glauconite concentrate in feeding young cattle. A study of glauconite from the Bondar deposit in the Tambov region as a feed additive in the ratrions of young cattle was carried out. New knowledge has been obtained about the sorption properties of this mineral, its eff ect on the absorption and excretion of various metals from the body of animals, including micro- and macronutrients, as well as metal pollutants. Safe eff ective doses of its introduction into animal rations have been determined. It was experimentally fed to older replacement young animals as part of a mono feed. It has been established that the use of enterosorbent based on a modifi ed glauconite concentrate in the ration of young cattle at a dose of 0,2 g/kg of live weight helped to remove nickel from the body of animals up to 60 %, and lead up to 36 % of the total amount, which on average was excreted in feces. The sorbent showed average effi ciency in relation to copper approximately 13 % of its amount is bound and excreted in feces. In this case, the mineral accumulated in the digestive tract of animals for 3–4 days. Under conditions of copper defi ciency in feed, sorbent retention promoted better absorption of inorganic forms of this nutrient consumed with mineral additives.","PeriodicalId":268790,"journal":{"name":"Kormlenie sel'skohozjajstvennyh zhivotnyh i kormoproizvodstvo (Feeding of agricultural animals and feed production)","volume":"71 6","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140505383","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":"Efficiency of egg poultry farming at different durations of different recipes of compound feed feeding","authors":"A. A. Astrakhantsev, M. A. Perevozchikov","doi":"10.33920/sel-05-2402-01","DOIUrl":"https://doi.org/10.33920/sel-05-2402-01","url":null,"abstract":"Drawing up eff ective feeding programs based on available feed raw materials, including of local origin is a pressing problem when using foreign selection of chickens in the production of highly productive crosses. The purpose of the research was to study the productive traits of laying hens and evaluate the efficiency of production of edible eggs for diff erent durations of feeding different feed recipes during phase of feeding. During the work a scientifi c and farm experiment was carried out on laying hens of the industrial herd of the cross Lohmann-LSL-Classic. In the 1st group, we used a change in feed recipes adopted at the enterprise for phase feeding of poultry cross the Lohmann-LSL-Classic. In the 2nd group, the feed formulation PK-1-1PD was increased to 35 weeks in order to maintain a high level of intensity of egg production of laying hens and obtain the maximum number of eggs. Phase 2 compound feed was fed for 13 weeks, and the feeding time of the PK-1-3PD recipe was planned at 9 weeks. In the 3rd group, the aim was to reduce the prime-cost of produced eggs due to a signifi cant redistribution in the duration of feeding formulas for feed recipes of phases 1 and 2. Profi t from the sale of eggs and meat was maximum in the 3rd group 49 311,9 thousand rubles, which was higher by 2300,3 and 4648,4 thousand rubles than in the 2nd and 1st groups, respectively. The level of profitability of the production of edible eggs and meat was also higher in the 3rd group and amounted to 16,03 %. It was established during the research that in the production of edible eggs from laying hens of the industrial herd of the cross Lohmann-LSL-Classic the following duration of feeding of compound feed recipes in the phase feeding program should be used: PK-1-1PD – 10 weeks, PK-1-2PD – 40 weeks, PC-1-3PD – 7 weeks.","PeriodicalId":268790,"journal":{"name":"Kormlenie sel'skohozjajstvennyh zhivotnyh i kormoproizvodstvo (Feeding of agricultural animals and feed production)","volume":"25 11","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140505449","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":"Influence of protein concentrates in compound feeds on hematological parameters of fish","authors":"S. I. Nikolaev, A. Karapetyan, A. A. Kashirina, S. Y. Lebedev, A. E. Stavtsev, S. V. Chekhranova, I. Danilenko, V. Shkalenko, M. A. Ryabova","doi":"10.33920/sel-05-2402-04","DOIUrl":"https://doi.org/10.33920/sel-05-2402-04","url":null,"abstract":"In the field of feeding aquaculture objects, it is important to search for alternative feed sources. The purpose of the research was to evaluate the effect of high-protein feed concentrates on the growth performance and hematological composition of rainbow trout. Research was carried out At the enterprise IP Kalmykova I. O. in order to study the protein concentrate Gorlinka in compound feed for rainbow trout. The trout of the control group were fed compound feed with sunflower meal, and the fi sh of the 1st, 2nd and 3rd experimental groups were fed compound feed in which sunflower meal was replaced with Gorlinka concentrate – 50 %, 75 and 100 %, respectively, for the groups. Research on the introduction of the protein concentrate Agro-Matic into the compound feed of rainbow trout was carried out under the conditions of the Scientifi c Research Center “Breeding of valuable sturgeon breeds” of the Volgograd State Agrarian University. The fish of the control group received the main diet with fish-meal, and in the diet of the trout of the 1st, 2nd and 3rd experimental groups, 25 %, 50 and 75 % of fish-meal were replaced with Agro-Matic concentrate. It was found on the base of results obtained that the introduction of Gorlinka concentrate into the compound feed formulation contributed to the increase in the overall gain in live weight of fi sh by 2,83–6,93 %. The use of Agro-Matic concentrate in compound feed had a positive effect on the live weight of fish; it increased by 1,29–5,26 %. The content of total protein in the blood serum of fish from the experimental groups relative to the control increased by 0,65 %, 1,64 and 3,27 % with the introduction of the Gorlinka concentrate into the diet, and the Agro-Matic protein concentrate by 1,01 %, 2,44 and 3,55 %, respectively, which is due to balance of the recipes. When studying some indicators of fish blood we found that with a balanced diet the biochemical composition of trout blood is quite constant and is within the physiological norm for salmon fish.","PeriodicalId":268790,"journal":{"name":"Kormlenie sel'skohozjajstvennyh zhivotnyh i kormoproizvodstvo (Feeding of agricultural animals and feed production)","volume":"138 6","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140504949","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":"Use of Sel-Plex drug, plant extracts and phytobiotics in feeding of broilers","authors":"O. Bagno, S. A. Shevchenko","doi":"10.33920/sel-05-2402-02","DOIUrl":"https://doi.org/10.33920/sel-05-2402-02","url":null,"abstract":"Part of complex measures aimed at replacing the use of antibiotics for preventive purposes when rearing poultry is the use in their diets of feed additives with antibacterial, anti-infl ammatory and other eff ects that help normalize the homeostasis of the body, the functions of the microbiota of the gastrointestinal tract, and increase the natural resistance and productivity of poultry. These products include plant feed additives such as phytobiotics or phytogenics. The purpose of the research was to study the use of the drug Sel-Plex, plant extracts and phytobiotics in feeding of broilers. Scientifi c research was carried out in agricultural enterprises of the Kemerovo region on broiler chickens of the crosses Smena-2 and ISA F15. It has been established that when rearing of broiler chickens in poultry farms in biogeochemical zones with low selenium content, in order to increase the level of productivity and selenium content in poultry meat. It is advisable to introduce Sel-Plex into the diet at a dose of 200 mg/kg of feed throughout the entire period poultry rearing. In order to increase the effi ciency of poultry meat production and implement the strategy of replacing feed antibiotics in diets as part of a program of preventive measures, when rearing broiler chickens, we propose to include in the compound feed a complex phytobiotic containing extracts of creeping thyme at a dose of 8 mg/kg body weight, mustard of sarepta at the dose of 70 mg/kg of feed, garlic at the dose of 0,625 g/kg of feed, Echinacea purpurea at the dose of 8,6 mg/kg body weight, milk thistle at the dose of 2,0 mg/kg body weight, stinging nettle at the dose of 5,0 mg /kg body weight, mountain ash at the dose of 40 mg/kg body weight, rose hips at the dose of 10 mg/kg body weight, Jerusalem artichoke at the dose of 92 mg/kg body weight from one day to 33 days of age of the broilers.","PeriodicalId":268790,"journal":{"name":"Kormlenie sel'skohozjajstvennyh zhivotnyh i kormoproizvodstvo (Feeding of agricultural animals and feed production)","volume":"11 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140505589","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}