scholarly journals Safety and nutritional value of canned alfalfa feed when introducing new generation starter cultures

2021 ◽  
Author(s):  
Yu.Ya. Kravaynis ◽  
R.S. Kravaine ◽  
A.V. Konovalov ◽  
А.А. Bogdanova ◽  
А.А. Аlekseev
Keyword(s):  
Butyric Acid ◽  
Nutritional Value ◽  
Starter Culture ◽  
Control Sample ◽  
Starter Cultures ◽  
Green Mass ◽  
Crude Fiber Content ◽  
Organoleptic Characteristics ◽  
New Generation

his work is a continuation of research on the influence of new generation polymicrobiological starter cultures on the quality of canned feed in laboratory conditions, which began in 2018 and continues to the present. The purpose of the fragment of the presented studies was: to study the safety, chemical composition, nutritional value and organoleptic characteristics of silage when conservation the green mass of alfalfa with a new generation of starter cultures in laboratory conditions. The article presents the results of studies of the influence of polymicrobiological starters "Yarosil, bacterial preservative, suspension" containing Lactobacillus plantarum K-36, K-64, K-65, K-72, K-74, K-87, K-167; Lactobacillus lactis subsp. lactis Ep-157, Lactobacillus paracasei Ep-154 Ep-155 Ep-156 Ep-158, Streptococcus thermophilus K-35, the concentration (total) was 1.5ґ109 CFU / cm3, in an amount: 100 ml per ton, and Yarosil , dry powder "in an amount: 100 g per ton, in which the composition of the microflora was the same as in the ferment "Yarosil, bacterial preservative, suspension", but the concentration was different and amounted to (total) 8ґ1010 CFU / cm3, on the safety, chemical composi-tion, nutritional value and organoleptic characteristics of the obtained strength, and their influence on the indicated indicators has been established. The introduction of starter cultures in-creased the quality of the silage according to the indicators provided for by GOST R 55986-2014 and depended on the starter culture. The addition of the "Yarosil, bacterial preservative, suspension" starter culture to the green mass of alfalfa increased the crude protein content by 0.31% (the control sample con-tained 19.51%, the experimental one - 19.82%), reduced the crude fiber content by 0,14% (the control sample contained 28.69%, the experimental one - 28.55%), reduced the butyric acid content by 0.05% (the control sample contained 0.14%, the experimental one - 0.09% ). The addition of the Yarosil dry powder starter culture to the green mass of alfalfa increased the crude protein content by 0.45% (the control sample contained 19.51%, the experimental one - 19.96%), reduced the crude fiber content by 0,23% (the control sample contained 28.69%, the experimental one - 28.46%), contributed to the absence of butyric acid (the control sample contained 0.14%, the experimental butyric acid was not found). The addition of starter cultures had the positive effect on organoleptic characteristics.

scholarly journals The quality of the silage when preserving the green mass of herbs with a new generation of leavens in laboratory conditions

2021 ◽  
Author(s):  
Y.Ya. Kravainis ◽  
R.S. Kravaine ◽  
A.V. Konovalov ◽  
А.А. Alekseev ◽  
А.A. Payuta
Keyword(s):  
Protein Content ◽  
Crude Protein ◽  
Starter Culture ◽  
Control Sample ◽  
Starter Cultures ◽  
Crude Protein Content ◽  
Dry Powder ◽  
Green Mass ◽  
Crude Fiber Content

The article presents the results of studies of the quality of silage in the canning of cere-al-legume green mass: the leaven "Yarosil, bacterial preservative, suspension" in an amount: 50 ml per ton, 275 ml per ton 500 ml per ton, containing Lactobacillus plantarum K-36, K- 64, K-65, K-72, K-74, K-87, K-167; Lactobacillus lactis subsp. lactis Ep-157, Lactobacillus paracasei Ep-154 Ep-155 Ep-156 Ep-158, Streptococcus thermophilus K-35, the concentration (total) was 1.5õ109 CFU / cm3; starter culture "Yarosil dry powder" in a dose: 1 g per ton, 5.5 g per ton, 10 g per ton The composition of the microflora was the same as in the yeast "Yarosil, bacterial preservative, suspension", but the concentration was different and amounted to "Yarosil dry powder" (total) 8õ1010 CFU / cm3. The optimal amount of introduction (dose) of the indi-cated starter cultures into the canned green cereal-legume mass has been revealed. The amount of sourdough added had an impact on the safety, chemical composition and nutritional value of the resulting haylage. More optimal results were obtained when adding the starter culture "Yar-osil bacterial preservative, suspension" in the amount of 50 ml / t to the cereal-legume green mass. The starter culture increased the crude protein content by 1.03% (the control sample con-tained 7.85%, the experimental one - 8.88%), reduced the crude fiber content by 0.74% (the control sample contained 27.13%, the experimental – 26, 39%), reduced the content of butyric acid by 0.11% in the control sample contained 0.17%, in the experimental - 0,06%). When add-ing the starter culture "Yarosil dry powder" the best result was obtained when adding 5.5 g/ t. The starter culture increased the crude protein content by 1.54% (the control sample contained 7.85%, the experimental one – 9.39 %), reduced the crude fiber content by 0.72 % (the control sample contained 27.13 %, the experimental – 26, 41%), reduced the content of butyric acid by 0.06 % in the control sample contained 0.17%, in the experimental – 0,11 %). The amount of the added starter culture did not affect the organoleptic characteristics. The resulting haylage corresponded to GOST R 55986-2014, no mold or rot was found in it, the crushed mass of plants (stems, leaves) was clearly distinguishable, had a greenish-yellow color, a pleasant, specific smell of pickled vegetables. As a result of the research, the optimal doses of the studied starter cultures were established for the quality of haylage from cereal-leguminous green mass.

scholarly journals The impact of the partial replacement of sodium chloride in the development of starter cultures during Italian salami production

2018 ◽  
Vol 21 (0) ◽  
Author(s):  
Claudia Fieira ◽  
João Francisco Marchi ◽  
Daiana Marafão ◽  
Alexandre da Trindade Alfaro
Keyword(s):  
Sodium Chloride ◽  
Starter Culture ◽  
Microbiological Quality ◽  
Sodium Content ◽  
Starter Cultures ◽  
Partial Replacement ◽  
High Sodium ◽  
Cured Meat ◽  
The Impact

Abstract Italian salami is a cured meat with high sodium contents which is easy, fast and convenient to consume. Starter cultures are used to improve its sensory characteristics and refine its technological manufacturing process. The goal of this study was to reduce the sodium content in Italian salami through the partial replacement of sodium chloride by potassium chloride, magnesium chloride and calcium chloride, and evaluate the viability of the Lactobacillus sp. and Staphylococcus sp. cells found in the starter culture. Four formulations were elaborated: one with, and one without the starter culture, but both with the addition of sodium chloride; and two with the partial replacement of 60% of the sodium chloride: the first with KCl, and the other with a mixture of KCl, MgCl2 and CaCl2. Physicochemical and microbiological evaluations were carried out to monitor the ripening and the quality of the final product. The partial replacement of NaCl by other salts (MgCl2, CaCl2, KCl) did not interfere in the growth of the starter culture in the Italian salami, neither did it affect the majority of the physicochemical parameters of the Italian salami nor the microbiological quality of the final product.

scholarly journals Determining optimal process parameters for sprouting buckwheat as a base for a food seasoning of improved quality

2021 ◽  
Vol 4 (11(112)) ◽  
pp. 6-16
Author(s):  
Ayana Serikbaeva ◽  
Bagimkul Tnymbaeva ◽  
Maryna Mardar ◽  
Nataliіa Tkachenko ◽  
Saniya Ibraimova ◽  
...  
Keyword(s):  
Mass Fraction ◽  
Nutritional Value ◽  
Control Sample ◽  
Total Content ◽  
New Product ◽  
Optimal Process ◽  
Protein Fiber ◽  
New Type ◽  
Germination Parameters

In order to determine the influence of temperature and time of germination of the Bogatyr variety buckwheat on a change in the content of vitamins E, C, and B group, the germination parameters were optimized when developing a new type of seasoning. To optimize the germination parameters, the response surface methodology was used. The maximum total content of B, E, and C group vitamins in the sprouted buckwheat (4.591 mg/100 g) was observed at a temperature of 21.5 °C and the duration of germination of 3 days. The Bogatyr variety buckwheat was sprouted for 4 days. Changes in the nutritional and biological value of the sprouted grains were registered after 24 hours. Based on the comparative chemical analysis, it was established that the content of protein, fiber, vitamins, amino acids increases during the germination of buckwheat in comparison with the control sample. The protein content on day 4 increases by 1.38 times compared to control. At the same time, the mass fraction of carbohydrates on day 4 is reduced by 1.57 times; the mass fraction of fat ‒ by 2 times. It was established that the prototype seasoning that contains 30 % of sprouted buckwheat is characterized by a higher content of protein, vitamins, micro-and macronutrients compared to the control sample (without the addition of sprouted buckwheat). Adding the sprouted buckwheat grain to the seasoning has made it possible to increase by 25 % the antioxidant activity of the finished product compared to the control sample, which is 259.09 and 383.72 mg/100 g, respectively. In terms of safety indicators, the new product fully complies with the requirements for sanitary and hygienic safety. The results reported here give reasons to recommend the production of a new type of seasonings of enhanced nutritional value based on the sprouted Bogatyr variety buckwheat, which could expand and improve the quality of nutrition

scholarly journals DEVELOPMENT OF NEW CRISPY BREADS WITH THE INCLUSION OF VEGETABLE ADDITIVES AND EVALUATION OF THEIR QUALITY

2018 ◽  
Vol 6 ◽  
pp. 18-25
Author(s):  
Maryna Mardar ◽  
Tetiana Bordun ◽  
Rafaela Znachek ◽  
Svitlana Vikul
Keyword(s):  
Control Sample ◽  
Chemical Properties ◽  
Herbal Supplements ◽  
Organoleptic Evaluation ◽  
Chemical Indicators ◽  
Organoleptic Characteristics ◽  
Physico Chemical ◽  
Mountain Ash ◽  
Tea Extract

Spelt-based crispy breads with the inclusion of herbal supplements (powders of milk thistle, mountain ash, wild rose and green tea extract) and the results of assessing the quality of new products by organoleptic and physico-chemical indicators are presented. For a tasting evaluation, a point scale has been developed for the organoleptic evaluation of sugary-grain crispy breads. On the basis of which the organoleptic analysis of crispy breads, enriched with herbal supplements, has been carried out It is established that the introduction of vegetable additives in the composition of crispy bread leads to an improvement in the organoleptic characteristics of finished products. These products are characterized by a crispy, porous structure, an attractive light cream color, a harmonious taste, a pronounced smell of used additives. According to the results of the tasting evaluation, samples enriched with herbal supplements received the highest score in relation to the control sample, which meets the requirements of potential consumers. On the basis of physico-chemical indicators, it has been established that the introduction of grain additives to crispy breads does not impair the physic-chemical properties of these products. On the basis of the obtained data, the expediency of the production of new spelt-based crispy breads with the inclusion of enriching additives with improved organoleptic properties is substantiated.

scholarly journals Developing lactic acid bacteria starter cultures for wholemeal rye flour bread with improved functionality, nutritional value, taste, appearance and safety

PLoS ONE ◽  
2022 ◽  
Vol 17 (1) ◽  
pp. e0261677
Author(s):  
Dorota Litwinek ◽  
Jakub Boreczek ◽  
Halina Gambuś ◽  
Krzysztof Buksa ◽  
Wiktor Berski ◽  
...  
Keyword(s):  
Lactic Acid ◽  
Lactic Acid Bacteria ◽  
Nutritional Value ◽  
Inositol Phosphates ◽  
Starter Culture ◽  
Starter Cultures ◽  
Rye Bread ◽  
Phenotypic Characterisation ◽  
Bread Production ◽  
The One

Starter cultures composed of lactic acid bacteria (LAB) were developed based on the genotypic and phenotypic characterisation of isolates belonging to dominant groups of bacteria in spontaneous rye wholemeal sourdoughs. Combinations of strains have been evaluated on an industrial scale in the sourdough fermentation process. Wholemeal rye bread was prepared using sourdoughs obtained with 3 new starter cultures, and compared to bread made using the commercial culture (LV2). All newly developed cultures used for the preparation of wholemeal rye bread allowed to obtain better quality products as compared to the LV2 based bread. The best results were obtained when the culture containing Lactiplantibacillus plantarum 2MI8 and exopolysaccharide (EPS)-producing Weissella confusa/cibaria 6PI3 strains was applied. The addition of yeast during sourdough breads production, especially the one prepared from mentioned above starter culture, significantly improved their organoleptic properties, their volume and crumb moisture was increased, and also the crumb acidity and hardness was reduced. Fermentation of rye wholemeal dough, especially without the yeast addition, resulted in a significant reduction in the content of higher inositol phosphates as compared to the applied flour, which is associated with improved bioavailability of minerals. The results of this study prove that the investigated new starter cultures can be successfully applied in wholemeal rye bread production.

scholarly journals The effect of probiotic crops and lipolytic enzymes on the properties of dairy products in the cheese biotechnology under development

2021 ◽  
Vol 11 (2) ◽  
pp. 290-298
Author(s):  
Yu. G. Sturova ◽  
A. V. Grishkova ◽  
V. V. Konshin
Keyword(s):  
Milk Fat ◽  
Nutritional Value ◽  
Raw Materials ◽  
Starter Culture ◽  
Organoleptic Characteristics ◽  
Pregastric Lipase ◽  
Soft Cheese ◽  
Functional Product ◽  
High And Low Temperatures ◽  
Hydrolysis Of

This article aims to evaluate the influence of probiotic microorganisms and pregastric lipase on organoleptic and biochemical characteristics of soft cheese made from a mixture of milk and buttermilk. The study was designed to determine how the temperature and exposure at this temperature affect the growth and development of lactose and bifidobacteria, as well as their quantity in the finished product. In order to increase the biological and nutritional value of the developed soft cheese, protein-carbohydrate raw materials rich in vitamins A, B12, D, E, phosphate and minerals were introduced into the production mixture. The addition of buttermilk increased the biological value of the product and improved its consistency. The taste and consistency of cheese was improved by a pregastric lipase preparation, widely used in the cheesemaking industry for production of various cheeses with high and low temperatures of the second heating. As a result of directed lipolysis, the finished product accumulates free fatty acids and diacylglycerols, acting as plasticizers and affecting the texture and organoleptic characteristics of the cheese. The results show that combining buttermilk and milk in an optimal ratio and addition of lipase produce a product with the best physicochemical parameters and a maximum evaluation of organoleptic characteristics. In the presence of a probiotic starter culture (provided there is a ready-made substrate), an active synthesis of enzymes necessary for the complete hydrolysis of milk fat begins. This all creates a functional product.

Quality of a cottage cheese product with vegetable components

2021 ◽  
pp. 51-55
Author(s):  
Альмира Маратовна Галимова ◽  
Фарида Харисовна Смольникова ◽  
Ермек Кыдырбаевич Конганбаев ◽  
Элеонора Курметовна Окусханова ◽  
Гульнара Есенжановна Тулькебаева ◽  
...  
Keyword(s):  
Nutritional Value ◽  
Starter Culture ◽  
Cottage Cheese ◽  
Point Scale ◽  
Organoleptic Evaluation ◽  
Quantitative Content ◽  
Physico Chemical ◽  
Work Done ◽  
Selection Of

В данной статье рассмотрены аспекты разработки творожного продукта с улучшенным витаминным составом и повышенной пищевой ценностью. Обоснована актуальность разработки продукта и подбор растительных компонентов. В качестве растительных ингредиентов выбраны дикорастущие ягоды, такие как клюква и брусника. Показано содержание витаминов в клюкве, бруснике и твороге. Обоснованы выбор бактериальной закваски для производства творога. Разработано 5 рецептур с разным количественным содержанием пюре из клюквы и брусники. Проведено сравнение физико-химического состава рецептур и проведена их органолептическая оценка по 10-балльной шкале. Используя полученные результаты, были разработаны рецептура и технология творожной массы с растительными компонентами. Составлен банк показателей качества и безопасности творожного продукта. Творожный продукт исследован на показатели пищевой безопасности, такие как содержание токсичных элементов, радионуклидов, пестицидов, антибиотиков, микотоксинов, а также проведена санитарно-микробиологическая проверка. Сделаны выводы о проделанной работе. This article discusses the aspects of the development of a cottage cheese product with an improved vitamin composition and enriched nutritional value. The relevance of product development and the selection of plant components is justified. Wild berries, such as cranberry and red bilberry, are selected as vegetable ingredients. The content of vitamins in cranberry, red bilberry and cottage cheese is shown. The choice of bacterial starter culture for the production of cottage cheese is justified. 5 different formulations with various quantitative content of puree from cranberry and red bilberry have been developed. The physico-chemical composition of the formulations was compared and their organoleptic evaluation was carried out using 10-point scale. Using these results, a formulation and technology of cottage cheese product with vegetable components were developed. A bank of indicators of the quality and safety of the product has been compiled. The product was examined for food safety indicators, such as the content of toxic elements, radionuclides, pesticides, antibiotics, mycotoxins, and a sanitary and microbiological check was also carried out. Conclusions are drawn about the work done.

QUALITY ASSESSMENT OF MARMALADE JELLY WITH DIFFERENT COMPOSITION OF CARBOHYDRATES

2021 ◽  
Author(s):  
Г.О. МАГОМЕДОВ ◽  
И.В. ПЛОТНИКОВА ◽  
М.Г. МАГОМЕДОВ ◽  
В.В. ТРОЩЕНКО
Keyword(s):  
Nutritional Value ◽  
Sugar Content ◽  
Control Sample ◽  
Caloric Content ◽  
Competitive Advantages ◽  
Mass Analysis ◽  
Calorie Content ◽  
Gel Forming Ability ◽  
Reducing Substances

Расширение ассортимента изделий пониженной сахароемкости, калорийности, себестоимости и повышенной пищевой ценности является приоритетным и актуальным направлением. Основным компонентом в традиционных рецептурах мармелада является сахар, употребление которого в значительных количествах ведет к развитию различных заболеваний. Патока крахмальная является универсальным сахаросодержащим продуктом, который по сравнению с сахаром имеет ряд конкурентных преимуществ, повышающих эффективность производственного процесса. Выбирая тот или иной вид патоки, можно заранее прогнозировать свойства и качество готового продукта. Высокоосахаренная патока обладает наибольшей сладостью и наименьшей энергетической ценностью, низкоосахаренная – содержит наибольшее количество декстринов и имеет повышенную калорийность. При получении мармеладных масс на патоке различных видов процесс уваривания необходимо проводить на 1–3 мин дольше. Конечное содержание редуцирующих веществ – глюкозы и мальтозы в уваренных мармеладных массах на патоке больше, чем в контрольном образце на сахаре, что обусловлено изначально большим их содержанием в рецептурной смеси до уваривания. Наибольшую вязкость имеет образец на низкоосахаренной патоке, что объясняется высоким содержанием в ней полисахаридов, которые придают массе высокие вязкостные свойства. Анализ цветности показал, что наибольшую насыщенность окраски имел образец мармелада на основе карамельной патоки. Опытные образцы полученных мармеладных масс имеют прочность больше допустимого значения и обладают удовлетворительной студнеобразующей способностью. Разработанные образцы мармелада из-за большего – в 1,5–3 раза содержания полисахаридов и меньшего легкоусвояемых углеводов можно отнести к продуктам пониженной сахароемкости и диетической направленности. Новая продукция конкурентоспособна по качественным и экономическим характеристикам. Expansion of the assortment of products of reduced sugar content, calorie content, cost price, increased nutritional value is a priority and an urgent trend. The main recipe ingredient in the traditional formulations of marmalade is sugar, the use of which in significant amounts leads to the development of various diseases. The starch kernel is a universal sugar-containing product, which, in comparison with sugar, has a number of competitive advantages that increase the efficiency of the production process. Choosing this or that kind of treacle, you can predict the properties and quality of the finished product in advance. The highest sweetness and the lowest energy value are highly sugared molasses, low-sugar content contains the greatest amount of dextrins and has an increased caloric content. When obtaining marmalade mass on molasses of various species, the process of boiling should be carried out longer for 1–3 min. The final content of reducing substances (glucose and maltose) in the fried marmalade masses on molasses is higher than in the control sample on sugar, which is due to the initially large content in the formula before boiling. The sample has the highest viscosity on low-saccharified molasses, which is explained by the high content of polysaccharides in it, which impart high viscous properties to the mass. Analysis of color samples showed that the highest intensity of color and saturation had a sample of marmalade based on caramel molasses. The experimental samples of the marmalade mass obtained have a strength greater than the allowable value and have a satisfactory gel-forming ability. The developed samples of marmalade because of the greater content of polysaccharides – 1,5–3 times and less easily digestible carbohydrates, can be attributed to products of reduced sugar content and dietary orientation. The new products are competitive both in terms of quality characteristics and economic efficiency.

EFFICIENCY OF TECHNOLOGY OF RYE-WHEAT BREAD FROM FROZEN SEMI-FINISHED PRODUCTS OF A HIGH DEGREE OF READINESS FOR PREVENTIVE NUTRITION USING GRAIN FILLINGS

2020 ◽  
Author(s):  
А.О. ЛОКТИОНОВА ◽  
Е.М. МАРКИН ◽  
Н.В. ЛАБУТИНА ◽  
Э.О. ГЕРАСИМОВА
Keyword(s):  
Starter Culture ◽  
First Grade ◽  
Starter Cultures ◽  
Wheat Bread ◽  
Natural Conditions ◽  
Enzyme Preparations ◽  
Physical And Chemical Quality ◽  
High Degree ◽  
Physical And Chemical

Разработана технология ржано-пшеничного хлеба из замороженных полуфабрикатов высокой степени готовности профилактического назначения с использованием зерновой закваски. Для приготовлении закваски зерно пшеницы проращивали в течение 12–13 ч при температуре 23–25°С; затем к измельченной зерновой массе добавляли воду в соотношении 1 : 1 и растворы ферментных препаратов ксиланазного действия. Полученную смесь выдерживали 2 ч при температуре 40°С. Тесто готовили с использованием густой ржаной закваски, а также зерновых заквасок при соотношении 60 : 40 ржаной обдирной и пшеничной муки первого сорта соответственно. Выпеченные полуфабрикаты охлаждали в естественных условиях, упаковывали и помещали в морозильную камеру при температуре –27°С. После размораживания производили допекание изделия до 100%-й готовности. Анализ физико-химических показателей качества ржано-пшеничного хлеба, приготовленного из замороженных полуфабрикатов, показал, что использование зерновых заквасок улучшает качество готового хлеба и сохраняет его основные показатели после криохранения. Удельный объем образцов хлеба на закваске густой ржаной/зерновой, см3/г: 2,2/2,4; влажность, %: 44,5/44,0; кислотность, град.: 4,4/3,8; пористость, %: 64/60; общая деформация, мм: 3,0/3,3 соответственно. The technology of rye-wheat bread from frozen semi-finished products of high readiness for preventive purposes using grain starter culture has been developed. To prepare the starter culture, wheat grain was sprouted for 12–13 hours at a temperature of 23–25°C; then water was added to the crushed grain mass in a ratio of 1 : 1 and solutions of xylanase-acting enzyme preparations. The resulting mixture was kept for 2 hours at a temperature of 40°C. The dough was prepared using a thick rye sourdough, as well as grain starter cultures at a ratio of 60 : 40 rye skinned and wheat flour of the first grade, respectively. Baked semi-finished products were cooled in natural conditions, Packed and placed in a freezer at a temperature of –27°C. After defrosting, the product was baked to 100% readiness. Analysis of physical and chemical quality indicators of rye-wheat bread made from frozen semi-finished products showed that the use of grain starter cultures improves the quality of finished bread and preserves its main indicators after cryopreservation. Specific volume of bread samples on sourdough thick rye/grain, cm3/g: 2,2/2,4; humidity, %: 44,5/44,0; degree of acidity 4,4/3,8; porosity, %: 64/60; total deformation, mm: 3,0/3,3 respectively.

FEED DISPENSERS FOR DOMESTIC MEAT ANIMAL HUSBANDRY

2020 ◽  
Vol 15 (9) ◽  
pp. 1233-1239
Author(s):  
V.Y. Sidorova ◽  
Keyword(s):  
Beef Cattle ◽  
Nutritional Value ◽  
Animal Husbandry ◽  
Average Weight ◽  
Vitamin Supplements ◽  
Cattle Breeding ◽  
Green Mass ◽  
Meat Animal ◽  
Technological Means

The article examines the influence of domestic feed dispensers’ technical characteristics on the quality of preparing various types of feed for beef cattle breeding. Among the studied options for preparation and distribution of feed for beef cattle are mixer-feeders, which in the form of mobile trailers, trailers, semitrailers and stationary installations are universal transport and technological means for crushing, mixing, unloading various types of feed and feed mixtures: long-fiber green mass, silage, haylage, loose and pressed hay, straw, briquetted, wet and frozen fodder. Domestic feed dispensers are suitable for mixing various feed components into homogeneous (95-98%) grain mixtures, technical specialized feed mixtures, etc., with automated electronic weighing systems, control of the quantity and quality of feed, with the production of feed fraction up to 10 mm and taking into account the requirements for humidity. The models have options for the injection of liquid components: water, oils, vitamins, etc. The main structures of the feed dispensers are horizontal and vertical, for processing ingredients with a density of 300-500 kg/m3 into a loose mass without loss of nutritional value. The volume of the bunkers varies from 3 to 20 m3; dimensions of various modifications of the model range are approximately the same: width 1.5-2.3 m, length 3.5-7.7 m, height 1.7-3.2 m. The average weight of horizontal models is 12.5% more than vertical. Horizontal feed mixers are designed for the preparation of protein mineral and vitamin supplements and compound feeds, vertical feed mixers for the main ration. Components - loose, dry, wet, liquid and heavy ones - are prepared in a mixture as a percentage in accordance with the recipe. Premixes, bran, cake, grain meal are also used as fillers.

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