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- ДокументDETERMINATION OF MEAT PRODUCTIVITY OF «BLAGOVARSKY» CROSS DUCKS(2021) D. Terzeman, O. KarunskyiFeeding is the main condition for high productivity of ducks. It provides the need for metabolizable energy and nutrients according to modern standards. Ducks have an increased need for arginine, histidine, tryptophan, glycine, threonine and valine, therefore much attention is paid to the amino acid composition of feed in normalizing feeding. It is also important to consider the level of digestibility of the proposed feed. The feed nutrients digestibility depends on various factors and therefore varies considerably.Optimal ratios of carbohydrates, proteins, fats, etc. in the diet contribute to a high level of digestibility. The level of fiber and protein significantly affects the digestibility of nutrients in the feed. Increasing the amount of fiber (especially rich in lignin) reduces the digestibility of fiber and other nutrients. Essential influence on the nutrients digestibility is caused by the available protein content in the feed and its ratio with carbohydrates and fats. In this regard, the protein ratio of feed is determined. The protein ratio shows how many parts of digested nitrogen-free nutrients account for each part of digested protein.In addition, the feed preparation for feeding has a positive effect on their digestibility (moisturizing, enriching, grinding, steaming and others). The nutrients digestibility is also affected by different levels of macro-, micronutrients and vitamins in the feed. Increasing the feed nutrients digestibility is an important factor in reducing their costs, the cost of livestock products and improving the economic efficiency of the industry. Young ducks are characterized by precocity and high growth rate. At the age of 7 weeks, the live weight of hybrid young ducks is 3.2 – 3.4 kg, and during this period the initial weight increases more than 60 times at a feed consumption per 1 kg gain of 2.8 - 3.0 kg and average daily gain 64 - 68 g.The positive effect of the use of the developed vitamin-mineral premix in the compound feed composition on the meat productivity of “Blagovarsky” cross ducks has been determined. It was determined that from the third week of growing the live weight of young ducks of the experimental group was higher of analogues of the control group for 3,2 %. Analysis the main indicators of young ducks productivity showed that the bird of the experimental group exceeded analogues in the following periods of growth: 0 - 7 days, 15 - 21 days, 29 - 35 days, 36 - 42 days, 43 - 49 days.Survival rate of young ducks was at a high level in the range of 97 – 99.5 % for the entire period of growing in both groups. Starting from the 4th week of growing, the survival rate decreased slightly in the control group and amounted to 99.1, which is 0,2 % less than in the experimental group. The increased concentration of premix in the compound feed for the young ducks of the experimental group help to improve their slaughter qualities in comparison with the control group.
- ДокументASSESSMENT OF THE NEEDS AND ECONOMIC EFFICIENCY OF PREMIXES, PROTEIN AND VITAMIN SUPPLEMENTS AND MIXED FODDER’S(2021) N. Basiurkina, B. Iegorov, A. MakarynskaThe article presents statistics on the number of pigs and poultry in Ukraine and Odessa region for 1990-2019 and the results of the calculation of needs for premixes and protein-vitamin supplements (PVS) in Ukraine, and in particular, in Odessa region, the average increase and volumes of compound feed consumption. The main purpose of the calculation is to determine the production potential of premixes and compound feeds in Ukraine and in the region, the cost of compound feeds in poultry farming using different types of premixes and PVS.According to the Main Department of Statistics in Odesa Oblast, the number of pigs has decreased over the past five years, and the number of poultry has increased by 7.3%.The calculation of the need for premixes and PVS is determined by the volume of feed production, the need for which depends on the number of livestock and poultry, data on their average growth and consumption of feed.The method of calculating the number of pigs and poultry (forecast) depending on the needs of the population in livestock food, as well as the results of the forecast of the number of pigs and chickens in Ukraine and Odessa region for 2020-2023, which amounted to 5702, 0 and 173.0 thousand goals, 224.8 and 3.3 million goals, respectively.The calculations taking into account the export-import potential of raw materials showed that in the Odessa region there is a shortage of capacity, namely: P mf forecast = 104819.6 thousand tons. 0, P mf forecast ≥ M year, ie 104819.6 9000.0 thousand tons, so in the Odessa region should provide a feed mill with a capacity of 15 thousand tons per shift in two shifts is appropriate and reasonable. The potential of production and sale of compound feeds in the Odessa region, which is up to 8500 thousand tons of feed, 85 thousand tons of premixes and 2430 thousand tons of PVS, calculated the main producers and consumers of feed products.The estimated economic efficiency of the use of feed enriched with complex premixes, as a result of which it is possible to reduce the cost of obtaining 10 eggs to 280 million UAH. per year, and in the fattening of suckling piglets - zeko-nomity in the production of pork up to 3.15 million UAH.
- ДокументMODIFICATION PROPERTIES OF CONFECTIONARY FLOUR PRODUCTS WITH SYNBIOTIC(2021) H. V. Korkach, E. G. Iorgachova, O. M. KotuzakiOne of the main directions in the confectionery industry is creating new functional-purpose products. Besides meeting the dietary demand, they are supposed to be wholesome and health-giving. That is why so topical a task is enriching the composition of confections with synbiotics. They will have a positive effect on the manufacturing technology and impart physiological properties to final products.The paper studies how the synbiotic complex consisting of a synbiotic (microencapsulated bifidobacteria in a pectin matrix) supplemented with a prebiotic (inulin) determines changes in the structural and mechanical properties of flour confections, in particular, of fatty fillings for wafer biscuits. The mass fraction of inulin has been established after introducing 10, 20, and 30% of it into the filling to replace the equivalent amounts of fat. The quantity of bifidobacteria included in the recipe was determined considering the fact that in functional-purpose products, the physiologically active level of microorganisms should amount to 106–107 CFU/g of the intestinal contents.It has been studied how the synbiotic effects on the structural and mechanical properties of the fatty filling: its effective viscosity, adhesive strength, critical shear stress, and density. It has been found that introducing the synbiotic into the fatty filling and increasing the proportion of inulin adds to the effective viscosity in the test samples of the filling. Besides, the synbiotic makes the samples of filling stronger, which reduces the maturation time of wafer blocks. Thus, in the control sample, the blocks rest for 14 min, but in the test samples containing 10, 20, and 30% of inulin, this time is reduced to 12, 8, and 6 min respectively. With an increase in the mass fraction of inulin, the specific pull-off force has been established to decrease, as compared with the control sample.Experimentally, it has been revealed that there is dependence between the wafer filling density and the air phase characteristics (the size and number of air bubbles in the filling). It has been determined that the higher the density of the filling, the fewer air bubbles there are in the samples. The experimental findings prove that using the synbiotic in the wafer technology is practical.
- ДокументTHE STUDY OF QUALITY INDICATORS AND FRACTIONAL COMPOSITION OF WHEAT GRAIN PROTEIN OF SOUTHERN REGIONS OF UKRAINE(2021) A. Penaki, A. BortaThe results of studies of the quality of food and non-food grain of wheat from the southern regions of Ukraine in 2016 harvest are presented. The indicators of the quality of wheat grain were determined, the uniformity of their distribution in different classes of wheat was assessed, the content of protein fractions of the gluten complex and the molecular weights of individual protein structures were determined. It was found that the studied 13 samples of wheat grain had the following quality indicators: moisture content 9.4 ... 13.5%, bulk density 731 ... 814 g/l, protein content 10.1 ... 13.2%, gluten content 16.4 ... 25.6%, gluten quality 50 ... 110 units of the IDK device, falling number 311 ... 493 s, grain admixture 1.2 ... 10.5%, grains damaged by a wheat bug, 0.1 ... 10.1%. It was noted that the bulk density of all samples of wheat of 2 ... 6 classes exceeded the standard values in each class. In terms of protein content, 2 from 3 samples of class 5 wheat and 1 from 2 samples of 6 class exceeded the standard value of class 3 wheat (≥11.0%). The same was observed for these samples and for the gluten content (≥18%). Almost all grain samples, except for 2 samples of the 5th class and 2 samples of the 6th class, met the requirements of wheat of the 2nd class (45 ... 100 units device VDK). The falling number of all samples was high and significantly exceeded the normalized value (180 s), even for class 2 wheat. It was found that the uniformity of the distribution of individual quality indicators in different classes of wheat grain by the coefficient of variation is not the same. Such indicators of grain quality as moisture content, bulk density and protein content in different samples of the south of Ukraine in 2016 harvest fluctuated weakly (V≤10%), in terms of the amount of gluten and the falling number fluctuations were average (10% ≤V≤20%). Fluctuations in the content of grain impurities and grains damaged by the wheat bug are big (V≥20%). For the last indicator, fluctuations relative to the average are very large and exceed 120 %. This indicates that in different areas where wheat was grown, the infestation by the wheat bug was very different. It was shown that regardless of the total amount of protein determined by the Infratec FOSS express analyzer, four protein fractions of the gluten complex (albumins, globulins, gliadins and glutenins) are present in all grain classes, and the molecular weights of the protein structures of the main fractions are within small limits, which are in kDa - for albumins and globulins 20...30, gliadins 27.. 100 and glutenins 30...35. It was noted that in the varietal wheat "Chernobrova" albumins and globulins have a slightly higher molecular weight (30...40 kDa) than in non-varietal wheat.
- ДокументBLACK WHEAT BRAN AS A PROMISING SOURCE OF FOOD FIBRES WITH AN EXPANDED SPECTRUM OF FUNCTIONALITIES(2021) N. Cherno, L. Gural, O. NaidonovModern requirements of nutritiology determine the enrichment of a person’s daily diet with food fibres. Dietary supplements and cereal-based ingredients are widely used to achieve this goal. Wheat as a food crop traditionally occupies a leading position in food production. Currently, new varieties of wheat with colored grains are being given increasing attention as a source of high-activity phytochemical compounds, which can initiate a positive synergistic physiological effect in the complex. The black-grain wheat of the domestic variety "Chornobrova" belongs to the functional species among the new valuable colored varieties of wheat. It contains an increased amount of biologically active components concentrated in the husk and germ of the grain. At grain processing plants by-products are formed in the production of flour and cereals, among which the hard shells of grain release in the form of bran, that have a rich source of dietary fibres. The paper describes the breaking bran and grinding bran of black-grained wheat "Chornobrova". They contain up to 78.0% of polysaccharides, among which hemicelluloses and cellulose predominate. Both types of black wheat bran are protein-rich (13.0-15.3%), and the crude fat content does not exceed 2.1%. The non-hydrolyzed residue, represented primarily by lignin, reaches 3.8%. Bran is rich in phenolic compounds – powerful antioxidants with the mass fraction 310.0 mg/100 g. Both types of bran have a water retention and sorption capacity towards toxicants (phenol, Pb2+), cholic acid, methylene blue. As a result of acid treatment of bran, dietary fibre concentrates were obtained, in which non-starch polysaccharides predominate. They are characterized by modified physicochemical properties, namely improved water holding capacity, sorption activity against Pb2+, not inferior to bran in terms of the ability to bind cholic acids and methylene blue. "Chornobrova" wheat bran and dietary fibre concentrates are highly active enterosorbents with antioxidant activity, which can be considered as dietary supplements and food ingredients that should be included in recipes in the development of new functional foods.