bluuebunny/crossref_metadata_2025_split huggingface dataset:
Harmfulness of the aweed plant Cirsium arvense and spring wheat productivity after herbicides application
Authors: Mikhailova Z I , Puchkova E P , Martynova O V 
Published: September 2020

Abstract
The harmfulness of the weed plant Cirsium arvense to reduce the spring wheat yield and its quality and the effect of the herbicides Zinger, wetting powder and Magnum, wetting powder at a dose of 10 g/ha on the crop productivity was studied. On average for three years it was found that the yield of spring wheat depending on the Cirsium arvense harmfulness began to decline in the presence of one weed per 1 m2. The greatest harmfulness of Cirsium arvense in spring wheat crops was noted in the presence of 3 or more weeds per 1 m2. The protection effectiveness during the herbicides test against Cirsium arvense is 100%. Increase in the spring wheat yield from the herbicides action is by 9.7-10.3 c/ha.
The use of biologics Sedimin® and Gamavit to increase the adaptive capacity of animals
Authors: Arestova I Y , Alekseev V V , Sharonova E G , Kupriyanova M Y 
Published: September 2020

Abstract
The effect of Gamavit and Sedimin® on the morphological and functional parameters of rats was studied with the short-term introduction of them into the body with sequential exposure to hungry and emotional stress. The dynamics of clinical, physiological and growth indicators of experimental animals is estimated depending on the simulated conditions. Comparative data were obtained on the dependence of the physiological parameters of the organism of experimental animals on the purpose of the studied biogenic preparations.
Increasing the biological activity of benzimidazoles based on the supramolecular nanoscale delivery system with licorice extract against helminthiasis
Authors: Varlamova A I , Arkhipov I A , Khalikov S S , Arisov M V , Sadov K M , Dushkin A V 
Published: September 2020

Abstract
This paper considers the effect of mechanochemical technology on the anthelmintic efficacy of a solid dispersion (SD) of albendazole (ABZ) with licorice extract (LE) / SDALE/, which is considered as a means of targeted delivery. SDALE tests were carried out on white mice experimentally infected with Trichinella spiralis and Hymenolepis nana and on sheep naturally infected with gastrointestinal strongylates and Moniezia expansa cestodes. For each helminthiasis, animals of different groups of 9–12 in each were orally administered once a dose of SDALE of 2.0 mg/kg of active substance (AS) in the form of 10–20 % powders and 1 and 2% suspensions in comparison with the basic drug - a substance of albendazole at the dose of 2.0 mg/kg. SDALE is prepared by joint milling of similar components (ABZ and LE) in grinders with adjustable immersion energy (module, time, weight ratio of components, drum rotation speed) for 2 hours. Animals of the control groups did not receive the drug. The activity of the drugs was determined according to the data of coproovoscopic examination of sheep by flotation method before and 15 days after treatment. SDALE at the dose of 2.0 mg/kg of AS in the form of 10 and 20% powders and 1 and 2% suspensions showed respectively 91.4; 89.3; 87.2 and 92.3% efficacy against Nematodirus spp. and 90.7; 88.4; 87.4 and 91.2% activity against other types of Strongylata when receiving a 23.2 and 22.7% effect of the base drug - ABZ.
Identification of genetic markers of resistance to Potato virus Y and Golden potato cyct nematode in promising potato varieties by means of PCR
Authors: Chekushkina T N , Fisenko P V , Kim I V , Raifegerst T R 
Published: September 2020

Abstract
The study used genetic material of 13 field-grown potato varieties: Avgustin, Belmonda, Dachniy, Kazachok, Koroleva Anna, Labella, Laperla, Lilly, Red Lady, Sante, Smak, Yubilyar, Yantar and 6 varieties grown in vitro – Adretta, Zhukovskyi rannyi, Khazachiok, Sante, Smak, Yantar. The development of molecular genetic methods for identification of genetic markers of resistance to Potato virus Y and Golden potato cyct nematode was carried out. Meteor variety was used as a positive control due to having the desired genes in its genome. After screening testing of 16 promising potato varieties for resistance to Potato virus Y YES 3A marker of Rysto
gene have not been identified. Golden potato cyct nematode resistance H1 gene markers 57R and N195 have been identified in Belmonda, Zhukovskyi rannyi, Koroleva Anna, Labella, Laperla, Lilly, Red Lady, Sante, Smak, and Yubilyar varieties.
The effect of enrofloxacin on blood values of chickens in experimental salmonellosis
Authors: Prisnyi A A , Moiseeva A A , Skvortsov V N , Nevzorova V V 
Published: September 2020

Abstract
The aim of the present study is to research the impact of enrofloxacin on blood values of chickens experimentally infected with Salmonella. In the course of two experiments (experiment “a” and experiment “b”) a number of chickens were experimentally infected with Salmonella typhimurium and Salmonella enteritidis. One of the groups of the infected chickens in either experiment received 200 mg enrofloxacin per l in drinking water 24 hours before the challenge with Salmonella, then each of the following four days after the challenge with Salmonella. The administration of enrofloxacin did not suppress red blood cells in the chickens significantly; the registered reliable changes reflected the development of experimental salmonellosis. Inflammatory response was observed, and reliable tests showed increase in pseudoeosinophils, monocytes and basophils in treatment groups as compared to control group. The impact of developing infection on the leukogram was less marked in the groups of chickens receiving enrofloxacin. The analysis of the leukogram showed that S. enteritidis has a greater effect on the immune system of the chickens as it suppresses the action of polymorphonuclear leukocytes. S. typhimurium has a lesser effect on the immune reactions while retaining its activity and toxicity for a long time.
General principles of conducting preclinical toxicology studies of antiparasitic drugs for veterinary use
Authors: Arisov M V , Urazaev D N , Kachanova E O , Pavlova A S 
Published: September 2020

Abstract
Determining the degree of safety of new antiparasitic drugs for veterinary use is based on the results of a whole complex of preclinical study. The quality and effectiveness of preclinical studies are guaranteed by compliance with the rules provided for in normative documents, which are harmonized with international standards. However, due to the exploratory nature of such studies and the variety of methodological approaches used, there are no strict criteria for planning experiments. The choice of methods and tools when planning work on the preclinical evaluation of safety and efficacy of antiparasitic agents should be based on the specifics of their chemical structure and application to the target animals. The paper considers approaches to the regulation of preclinical toxicology studies of antiparasitic agents for veterinary use, taking into account their usually high or medium toxicity, the ability to cause death or impaired functions in living things (both the parasite and the host) and short-term use of the target to animals. The use of such approaches will make it possible to unify the methodology of experiments, to ensure the reliability and reproducibility of the results of preclinical pharmacology studies, and to increase their scientific and practical significance.
Leukocytes differential under effect of ciprofloxacin in experimental colibacillosis in chickens
Authors: Moiseeva A A , Prisnyi A A , Gulyukin A M , Stepanova T V 
Published: September 2020

Abstract
This study was aimed at evaluation of white blood cells of domestic birds over time using a broad-spectrum chemotherapeutic drug Ciprofloxacin. Ciprofloxacin more actively inhibits gram-negative bacteria. In order to evaluate the dynamics, three groups of chickens were formed (1st group – control; 2nd and 3rd groups – experimental ones), which consisted of Hisex Brown cross-bred cockerels. Within the framework of this experiment chickens in the 2nd and 3rd groups were contaminated with Escherichia coli. A day before and for four days after the contamination chickens in the 3rd group received 200 mg/L of ciprofloxacin with water. Blood samples were drawn from all experimental chickens at Day 1, 5, 10, 15 and 20 after the contamination. White blood cell differential count was performed. Analysis of the data obtained showed significant changes in some blood cell parameters in the 2nd and 3rd groups in comparison to the control group. Inflammatory response was detected, which was characterized by significant increase in absolute count and percentage of pseudoeosinophils, monocytes and basophils in the 2nd and 3rd group in comparison to the control group. Nevertheless, white blood cells differential count in the 3rd group was relatively closer to analogous count in the control group.
Introduction of biotechnology in animal breeding, as a factor of improving its efficiency
Authors: Serdyuchenko I V , Kozub Y A , Khoroshailo T A , Boginskaya O A 
Published: September 2020

Abstract
The article presents the results of the introduction of the biotechnological method to improve the reproduction of the herd of Holstein cattle. Comparative data on the growth of calves obtained in different ways are given: from artificial insemination and transplantation of embryos during the growing period - from birth to the age of 18 months. It was found that calves obtained from the biotechnological method grew faster than their peers obtained from artificial insemination. The difference was 18.3 kg in favor of the heifers of the experimental group. The largest average daily gain in live weight was observed during the period from 12 to 18 months - 50 g is naturally in favor of the heifers of the experimental group. The difference in live weight during the first insemination between the heifers of the studied groups was 10.0 kg or 2.5%. The fertility rate was +2.0 absolute percent. The insemination index was excellent and amounted to a difference between experimental groups of +0.6 absolute growth. The conditional profit from the cultivation of Holstein heifers obtained by the method of embryo transplantation amounted to 267.8 thousand rubles. Profitability was 22.4 percent.
Efficiency of weed control in feed crops cultivation by organic technology
Authors: Trufanov A M , Voronin A N , Schukin S V , Sabirova T P , Romanina Ya S 
Published: September 2020

Abstract
As a result of studies of field tests in 2019, it was found that corn crops lead to the stable formation of a large vegetative mass of both biennial and perennial weeds, and the cultivation of perennial grasses of the second year of use leads to a decrease in the weediness of crops by both groups of weeds. Despite the absence of pesticides and mineral fertilizers with organic technology, the number and weight of weeds was at the level of intensive technologies, which suggests the possibility of effective weed control with it method of management. Organic and extensive technology without the use of agrochemicals that contributed to a more vivid tendency to reduce the number of weeds by the end of the growing season and the smallest dynamics of their dry mass accumulation. The use of organic technology that ensures the production of crops without the use of pesticides and mineral fertilizers has contributed to the yield of annual and perennial grasses for first year of use at the level of intensive, and winter triticale, barley and corn are significantly higher than extensive, which can serve as the basis for the application of organic technology of cultivation of these crops.
Antioxidant activity of the peroxidase system in cell nuclei during germination of wheat seedlings
Authors: Vafina G H , Ivanov R S 
Published: September 2020

Abstract
The dynamics of the antioxidant activity of the peroxidase system in the structures of cell nuclei during the induction of germination of wheat seedlings was tracked, which was synchronized with nuclear trypsin-like activity and mitotic activity in cells. The dynamics of the antioxidant activity of the peroxidase system in the fractions of cell nuclei seems to be related to the processes of cell division and stretching during the development of plant seedlings. Previously, these results can be considered as one of the complex multilevel regulatory networks of proteinases formed in cell nuclei, which can probably participate in the turnover of oxidized proteins.
The development of technological parameters of seed sprouting before extrusion
Authors: Chaplygina I A , Matyushev V V , Shanina E V , Semenov A V , Shmeleva Zh N 
Published: September 2020

Abstract
The optimal combination of seed sprouting and extrusion processes reduces the energy, economic and labor costs of germination and decreases the loss of sprouted seed. To obtain sprouted seed, various pre-treatment methods were evaluated before the extrusion process. It was found that the optimal pre-treatment of seeds before sprouting is treatment with microwave radiation of 1400 W/dm3 for 20 s or 3% hydrogen peroxide for 10 min. When using such treatment methods, not only microflora suppression but also activation of the feed seed sprouting process are provided. The first sprouts appear in 12 hours. In 60 hours, the amount of sprouted seeds reaches 70-90 %. The length of sprouts at this stage of germination is optimal for further processing and is from 5 to 25 mm.
Theoretical aspects of the working process of a press extruder with a variable step auger for preparation of concentrated feed
Authors: Frolov Vladimir Y , Kotelevskaya Elena A , Tumanova Marina I 
Published: September 2020

Abstract
The article discusses the labor-intensive process of extruding soybeans. The parameters of production lines, methods and technical means intended for the implementation of the processes of preparing concentrated feeds based on insoluble soybean residue are theoretically substantiated. The results of theoretical studies to determine the optimal structural and technological parameters of a press extruder are presented: productivity, energy consumption, angular velocity, radius of the screw.
Establishing a state management system for the environment in the field of agriculture to suit the reality of Vietnam
Authors: Pham V M 
Published: September 2020

Abstract
The GDP growth rate of the entire agricultural sector of Vietnam in the 2008-2019 period will reach 2.6% per year on average. The market for agricultural products in Vietnam has been increasingly expanded, production structure is more efficient and tied to market demand. However, at the same time, the environment is at risk of being threatened by the effects of rapid agricultural development but lacking strict management policies. This has threatened the sustainable development of agriculture as well as the health and living environment of the people. In this paper, the author will analyse the situation of agricultural environmental pollution in Vietnam, using the statistical data methods. At the same time, the proposed analysis to build a state management system in the field of agriculture ensures to bring great value of goods, high income and environmental friendliness.
Optimization of the conditions of rhizogenesis and assessment of the enzymatic activity of the substrates used for rooting of cuttings of berry shrubs in Siberia
Authors: Bopp V L , Fomina N V 
Published: September 2020

Abstract
Meeting the needs of agricultural production in seedlings of berry crops (black currant (black currant (Ribes nigrum L.), sea buckthorn (Hippophaë rhamnoides L.), edible honeysuckle (Lonicera edulis L)) propagated by green cuttings, requires a search for ways to increase the rooting rate of cuttings Substrates including peat, sand, sapropel with additives of ammonium nitrate were studied. Adding sapropel (pH of water 7.4) to the composition of peat (pH of water 3.0-4.1) + sand increased the rooting rate of green cuttings of berry bushes. Maximum rhizogenesis was observed in the peat + sand + sapropel variant of 20 t/ha. Anthropogenic loads change the biological parameters of substrates and soils. The results of assessing the biological state of substrates used to obtain cuttings of berry bushes in Siberia by the level of enzymatic activity are analyzed. The quality of substrates is analyzed by studies of oxidative and hydrolytic enzymes. It was found that in the options peat + sand + sapropel 20 t/ha and peat + sand + N30, peat + sand + sapropel 10 t/ha + N30 an increase in the activity indicators of urease and invertase enzymes begins. A stable level of activity of the catalase enzyme confirms the bioecological characteristic of the substrate that is optimal for rooting cuttings in the ratio of peat + sand + sapropel 20 t/ha.
The comparative analysis of the mineral nitrogen fertilizers
Authors: Podshivalova A K 
Published: September 2020

Abstract
According to the results of physical and chemical modeling, the chemical form of nitrogen fertilizers has a significant effect on the thermodynamic parameters of systems with their application. The chemical activity of nitrogen in sandy soils is higher than in clay soils, and decreases in the series: potassium nitrate - ammonium nitrate - urea - ammonia hydrate, i.e., decreases with the transition from the oxidized form of nitrogen +5 to reduced -3. Potassium and sodium nitrate are optimal with regard to the chemical activity of nitrogen in sandy soils. In clay soils, on the contrary, the maximum activity of nitrogen is provided by the use of urea containing a reduced form of nitrogen. The reactivity of oxygen is higher in clay soils and increases with the transition from oxidized to reduced forms of nitrogen. Therefore, to increase the activity of oxygen in sandy and clay soils, it is preferable to use urea and ammonia water. The binding efficiency of atmospheric nitrogen increases in the series: ammonia hydrate, urea - ammonium nitrate - potassium nitrate, and thus, systems containing highly oxidized nitrogen are favorable for fixing atmospheric nitrogen.
Cycles of living and bio-inert systems in soil formation
Authors: Tskhovrebov V S , Faizova V I , Lysenko V Y , Novikov A A 
Published: September 2020

Abstract
Material and energy cycles in living systems of phototrophs and heterotrophs, and in inert systems of the mineral base of soils have significant differences. As a result of soil formation and weathering under natural conditions, soils lose some of the nutrients due to the removal of moisture with an intrasoil and subsoil current, but in agricultural use - with a commodity part of the crop. The result is a depletion of soils, their aging and a decrease in fertility. Soils successively pass through the stages from birth on the initial parent rock to mature soil, aging, natural death and neorock. The stage of menopause of soils does not exist as equilibrium and which can last immeasurably for a long time. Soil, like any other system, cannot be in equilibrium if there is an influx of energy from outside. In the historical cycle under unchanging conditions of soil formation, time is the main factor in soil formation.
Predicting the reliability of friction type bearings with zirconium ceramic bushing
Authors: Alisin V V 
Published: September 2020

Abstract
The paper considers the issues of assessing the reliability of friction type bearing when installing a zirconium ceramic bushing. The allegations regarding the possibility of calculating the reliability of a bearing based on the results of friction pair wear tests at a laboratory setup were made. On a universal friction machine, the tribological characteristics of a friction pair are investigated using a disk-finger scheme. The methodology of constructing the elemental wear law is substantiated, according to which the wear intensity of the ceramic bearing bushing is adjusted according to the conditions of its operation. Particular attention is paid to the reliability of the obtained laboratory tests for friction and wear. Only parametric bearing failure based on the accumulation of wear damage is considered. A procedure has been developed for calculating the reliability and service life of a friction type bearing, taking into account the real angle of contact zone contact, variation of the sizes and tolerances of the shaft and bearing bushing, the normal distribution of errors, as well as the load and sliding velocity in the bearing.
Comparative assessment of the overseas territories of France according to the criteria of provision of tourist resources
Authors: Ivanova A A , Astashin A E , Astashina N I , Vasilieva E A 
Published: September 2020

Abstract
The article is devoted to assessing the availability of the largest French overseas departments with tourist resources based on quantitative characteristics. The main approaches to assessing the provision of the territory with resources – component-wise and integral were considered. The algorithm for conducting the assessment, including techniques of both main approaches, was presented. The component-wise assessment was carried out according to three main blocks of parameters that reflect the availability of tourist resources in the territory: provision of natural facilities; provision with objects of historical-cultural heritage; provision of tourist infrastructure. Due (for the reason) to the heterogeneity of the evaluation criteria, which does not allow using absolute indicators, a point-rating approach was applied, which allowed linking the main characteristics of each department being evaluated together and conducting a component-by-component, and then an integral assessment. Based on the results of geo-information analysis a map scheme was constructed, which reflects the geolocation of the evaluated departments and the degree of their availability of tourist resources. It will allow tourism industry organizers to more effectively to direct their efforts and funds to the development of tourism in the overseas departments of France. The work was built using GIS.
Dynamics of particle size formation in wheat grain in dependence on pesticides and nutrition background
Authors: Keler V V , Martynova O V , Shram N V 
Published: September 2020

Abstract
The paper analyzes the research results on the pesticides and mineral nutrition impact on the 1000 grains mass of spring wheat cultivated in Eastern Siberia. As a previous crop grain was studied as the most frequently used by agricultural producers. Ten varieties from the state register for breeding achievements approved for use in the Krasnoyarsk territory were studied. In the conditions of forest-steppe in the Krasnoyarsk territory the variability of 1000 grains mass on different cultivation backgrounds in soft spring wheat can be from 30 to 43 grams. The indicator for the strength of the influence factor «variety» on the grain size and full weight is 77 %. The indicator for the strength of the «background» influence was not revealed.