No abstract

The main grain feeds for animals in our country are still corn, wheat and barley. It is known that animals and poultry are competitors to humans in terms of grain consumption. Therefore, it is currently relevant in the fi eld of mono-gastric animals feeding to search for non-traditional feed sources. One of these is sorghum grain. The purpose of the work was to increase the live weight of young pigs when using low-cost compound feed with sorghum. We carried out a scientifi c and economic experiment at the LLC “TOPAGRO” enterprise in the Volgograd region on young pigs of three-breed hybrids. The animals of the control group received an farm diet with corn, and in the diet of the animals of the 1st, 2nd and 3rd experimental groups, 50, 75 and 100 % of corn was replaced with sorghum. In the feeding diet of pigs, partial or complete replacement of corn grain with sorghum of the variety Kamyshinskoe 75 contributed to an increase in the digestibility of nutrients compared with the indicators of analogues of the control group. The live weight of pigs on 119 days of experiment in the 1st experimental group was by 1,77 % higher than the control group, in the 2nd experimental group by 3,09 % (P > 0,95) and in the 3rd experimental group by 2,66 kg than in the control group. Control slaughter of animals has shown that the slaughter yield in the experimental groups was higher than in the control group from 0,53 to 0,91 abs.%. Thus, the replacement of corn grain with sorghum in the diets of pigs of the 1st, 2nd and 3rd experimental groups positively aff ected the digestibility of nutrients of compound feed and meat productivity of pigs.

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The scientific problem of the study is related to the identification of educational migration for university admission against the background of youth migration. The practical problems of the study are focused on the creation of analytical conditions for decision-making and planning for the education system development: the distribution of enrollment targets, financing and resource supporting the infrastructure development, and the development of the human resources potential of Russian universities. The object of the study is interregional youth educational migration for university admission. Federal universities data is described as the object of present study. Sources: official state statistics data of 2017-2021, “big data” is the results of passing the Unified State Examinations (USE) and the choice of university and direction of study by students for 2020. The research methodology is connected with the analysis of official statistics, the Russian regions typology according to the characteristics of youth migration: recipient regions, donor regions, regions of a mixed or “transit” type (leaving graduates are replaced by newcomers), closed (low intensity of migration processes). Educational migration was identified by analyzing and comparing databases on the results of the USE and the results of university admission. Stable patterns of migration processes, migration trends and directions have been identified as a result of the study.

Ðåçþìå.  ñòàòüå ïðåäñòàâëåíû ðåçóëüòàòû èçó÷åíèÿ âëèÿíèÿ êîìïëåêñíîãî ïðèìåíåíèÿ ïðîáèîòè÷åñêîé ñóáñòàíöèè è ñîðáåíòà íà ïèùåâàðåíèå ñâèíåé ïðè èíòåíñèâíîé òåõíîëîãèè âûðàùèâàíèÿ. Èçó÷åíû ïîêàçàòåëè ðîñòà è aeèçíåñïîñîáíîñòè ñâèíåé â òå÷åíèå îïûòà, êëèíè÷åñêèå è áèîõèìè÷åñêèå ïîêàçàòåëè êðîâè. Èñïîëüçîâàíèå äàííûõ áèîëîãè÷åñêè àêòèâíûõ âåùåñòâ â ñîñòàâå êîìáèêîðìîâ äëÿ ðàñòóùåãî ìîëîäíÿêà ñâèíåé îêàçàëî ïîëîaeèòåëüíîå âëèÿíèå íà ýíåðãèþ ðîñòà aeèâîòíûõ è èõ ïðîäóêòèâíîñòü, ïîâûñèëî ñðåäíåñóòî÷íûå ïðèðîñòû, à òàêaeå ñíèçèëî ñìåðòíîñòü ïîðîñÿò â ñëåäñòâèå óìåíüøåíèÿ êîëè÷åñòâà çàáîëåâàíèé aeåëóäî÷íî-êèøå÷íîãî òðàêòà. Summary. The article presents the results of studying the effect of the complex application of probiotic substance and sorbent on the digestion of pigs with intensive growing technology. The growth and viability of pigs during the experiment, clinical and biochemical parameters of blood were studied. The use of these biologically active substances in the composition of mixed fodders for growing young pigs had a positive effect on the energy of growth of animals and their productivity, increased average daily growth, and also reduced the mortality of pigs due to a decrease in the number of diseases of the gastrointestinal tract. Ââåäåíèå Ìèêðîáèîòà aeåëóäî÷íî-êèøå÷íîãî òðàêòà aeèâîòíîãî ÿâëÿåòñÿ âàaeíîé ñèñòåìîé, ëþáîå íàðóøåíèå êîòîðîé ïðèâîäèò ê íàðóøåíèþ ôóíêöèé ñàìûõ ðàçëè÷íûõ ñèñòåì