Abstract One of the promising directions in modern pharmacology is the creation of biologically active drugs based on substances of natural origin. Of particular interest in this regard are peptides of fish skin mucus. The aim of the work was to purify and isolate the protein fractions—thromboplastin (clotting factor III, tissue factor, TF) and prothromboplastin (clotting factor XI, F11) from fish

Abstract One of the promising areas for the potato business and a potential for increasing its overall profitability is industrial processing. As a result of it, consumers are offered semifinished or ready-to-eat products. The purpose of this work, which was carried out in 2017–2019 at the Kurakhsky mountain test site, was to investigate the productivity and quality indicators of potato cultivars and

Abstract The results of studying piglets' cellular immunity in the postnatal period in an industrial pig-farming system have been reported. It is ascertained that the cellular immunity in piglets before colostrum intake is characterized by leukocytopenia, lymphocytopenia, T- and B-lymphocyte deficiencies and high ratios of theophylline-resistant (T-helpers) to theophylline-sensitive (T-suppressors)

Abstract Comparative evaluation of three different methods for assessing stallion sperm-membrane integrity, including the eosin staining technique, the fluorochrome staining (SYBR-14 + PI) method, and the hypo-osmotic test, has been made in order to reveal the most efficient method of measurement for this item. The stallion sperm showed high coefficients of correlation between sperm motility and intact

Abstract The optimum model of a spring triticale cultivar adapted for the soil and climatic conditions of the Far East has been developed. A comparative study of the basic structural components of productivity, the most important economically valuable traits, and grain quality has been carried out using collection and standard cultivars of this crop as well as the standard cultivars of spring triticale

Abstract Weather factors usually favor the development of loose smut and crown rust in the northeast of the European part of the Russian Federation. During the growing season of 2017–2019, precipitation and heat resources widely varied that affected the development of these diseases under natural conditions. The aim of the work was to demonstrate the effectiveness of using artificial infectious backgrounds

Abstract The effect of prolonged use of increasing doses of NPK on the accumulation of nitrogen, phosphorus, and potassium forms available to plants in the fallow field of crop rotation and the change in these parameters during the growing season of winter rye was investigated. It was established that the content of labile phosphorus (148–540 mg/kg) and exchangeable potassium (138–403 mg/kg), depending

Abstract The results of research on the influence of biologics based on rhizosphere microorganisms on the yield of spring wheat grain on different backgrounds of mineral nutrition on sod-podzolic light-loamy soil are presented. It was found that inoculation of spring wheat seeds with biologics provides an increase in grain yield by 1.2–1.3 times, while nitrogen fertilizer at doses of N45 and N90 provide

Abstract The objective of the survey is to assess the regional variation in climate change and the associated level of animals' susceptibility to heat-stress. The air temperature and humidity datasets measured for 1996–2015 at meteorological station nos. 27 595, 28 506, and 28 704 in the Republic of Tatarstan are used. The temperature-humidity index (THI) is estimated according to J. West (1994). The

Abstract Studies have been conducted on the effectiveness of using feed containing 5, 10, 12.5, and 15% rapeseed cake on broiler chickens of the Habbard F-15 cross. The aim of this work was to establish the efficiency of feed with different levels of cake derived from the Podmoskovny variety of spring rapeseed of a new generation bred by the Williams Federal Scientific Center for Fodder Production

Abstract The aim of the present study was to provide a brief summary of the rice pests and their natural enemies in some major rice-growing countries in Asia. Rice is a major crop in Asia that is infested by a broad array of pests. The results of this study showed that lepidopteran species were the main rice pests in these Asian countries, but hemipteran and homopteran species were also problematic

Abstract A survey was performed to find out the methods for improving the Holtenized Simmental cattle through selective breeding with Montbeliarde bulls. The objective of the survey was to identify the behavior patterns for the key positions, including growth, development, conformation, and reproductive performance, in the heifers of two genotypes. The differences in the social behavior of heifers

Abstract Creating tetraploid rice is a promising field in increasing crop yields. There are currently no commercial rice varieties due to poor panicle grazing, which is caused by low pollen fertility. It is stated in the scientific literature that tetraploid plants are obtained in vitro androgenesis as an additional starting material. The aim of the study was to study the characteristics of callus

Abstract The use of data mining in agricultural production is gaining popularity. The results of the implementation of machine learning methods, namely, decision tree, support vector machine and the K-nearest neighbor for solving the problem of wheat seeds classification by yield properties, using bioelectric indicators of seeds are for the first time presented in the work. The effectiveness of the

Abstract Evaluation of winter wheat cultivars has been carried out in relation to their crop capacity, ecological stability, and plasticity under conditions of the light grey forest soils of the Nizhny Novgorod oblast. In 2012–2016, the crop capacity of the cultivars included into the study was 53.0 centner/hectare on average (V = 23.3%) varying from 16.3 to 89.2 centner/ha; the year-to-year and cultivar-to-cultivar

Abstract A new plant growth stimulant was developed according to the technology engineered by the scientists of ITMO and SPBGAU Universities. The biological effectiveness of the preparation was assessed by measuring 20 wheat productivity parameters and 16 parameters of various types of pathogenesis formed during the progress of root rot caused by Helminthosporium, different types of rust, powdery mildew

Abstract In this study, 10 mg L–1 L-tryptophan effects on the seedling growth (fresh weight, radicle length and radicle number), seed germination, chromosomal aberrations and mitotic activity in Allium cepa L. germinated in salinity (0.175 M NaCl) conditions were investigated. In only L-tryptophan medium, the radicle length and radicle number of the seedlings were partially reduced compared to the

Abstract The paper gives a snapshot of primary trends in improving the chemical method of plant protection, including the development and advancement in such a promising group of preparations as insecto-fungicides. The goal of the work is a qualitative and quantitative analysis of the assortment of insecto-fungicides included in the Catalog of Pesticides and Agrochemicals approved for use in the Russian

Abstract A study into the preparation and grinding of a grain mixture containing 7% flax seeds was carried out in order to obtain a composite wheat-flax flour in which the entire biopotential of flax seeds was preserved. It was revealed that the preparation of the components of the grain mixture should be carried out independently, in parallel flows. The optimal extraction conditions for the wheat-flax

Abstract The problems of increasing soybean production in Russia’s Amur oblast through the optimization of the structure of sown areas, enhancement of the material and technical basis, restoration of soil fertility, and the use of other techniques are considered. The obtained data on the chemical composition and nutrient value of the noncereal part of the soybean yield confirm the high fodder advantages

Abstract—The content of crude protein in leaves and seeds of vegetable soybean, an important legume crop used in a functional and healthy nutrition, has been evaluated by a spectrophotometric analysis. Breeding forms of soybean were grown on an experimental field and in a greenhouse of the Federal Scientific Vegetable Center (Moscow oblast). In this 3-year work, the crude protein accumulation in seeds

Abstract The kinetics of meiotic chromatin modifications and the function of lipidome in the oocytes that have completed their in vivo or in vitro growth phase after a prolonged culture period have been analyzed in order to improve the efficiency of a technology for extracorporeal maturation of porcine donor-derived oocytes. It is revealed that a prolonged period (up to 50 h) of culturing in the Sage

Abstract We studied the effect of the Gumi-Omi-Phosphorus organic fertilizer and the superphosphate mineral fertilizer on the biomass of roots and the formation of arbuscular mycorrhiza. The mass of roots was shown to increase in all studied plants in case of using fertilizers (Pisum sativum L., Avena sativa L., Triticum aestivum L.). The intensity of colonization decreased when superphosphate was

Abstract Seeds of a number of flowering plant species quickly mucilage after moistening, which indicates certain adaptive advantages of this trait in conditions of natural selection. Seed mucus can enter into various reactions with soil, including pathogenic mycoflora. The aim of the investigation was to establish the response of fungicidal activity of seed mucus in relation to soil fungal pathogens

Abstract Molecular genetics methods allow for identifying markers of desirable economically useful traits of farm animals. The aim of this study was to investigate the effect of genetic similarity of parents and offspring on milk production of daughter cows. The study was carried out employing 630 pairs of black-motley cattle. Animals were tested for 11 microsatellite loci. As a result of the studies

Abstract—The objectives of the work are to study the relationship between the rate of photosynthesis and transpiration, as well as temperature, in Juniperus excelsa M. Bieb and the main external environmental factors and determine the optimal and limiting growth conditions for this species in the conditions of the Southern Coast of Crimea (May–September). Similar studies have not yet been carried out

Abstract—The results of the studies on the evaluation of changes in the hormonal and cytokine status of black-and-white Holstein cows (n = 25) during the period of embryogenesis at the physiological formation of pregnancy, intrauterine growth retardation, and embryonic demise are presented. The levels of progesterone, cortisol, interleukin IL-2, tumor necrosis factor TNFα, interferon-γ, and interferon-tau

Abstract Two years consecutive field experiments were conducted at Agriculture Research Institute Mingora Swat, Pakistan in summer seasons of 2016 (year 1) and 2017 (year two) on soybean (cv. Malakand-96) crop. The design was used randomized complete block design (RCBD) with three replications. Experimental treatments were used, peach residues (leaves and fruits having no stones (partially decomposed)

Abstract—The aim of this study was investigated the effect of N-fixing and variable organic matter on some of the chemical properties of vermicompost. Treatments included factorial of nitrogen-fixing bacteria in four levels (no inoculation with bacteria, inoculate with Azotobacter, commercial Nitroxin and commercial Nitrokara), and the effects of various substrates in three levels (cow manure, straw

Abstract—Blood group surveys in the Holstein cattle bred reared in the Far East Federal okrug have been carried out. The antigen composition of blood groups among 6009 animals of four populations in Khabarovsk krai, Primorsky krai, Sakhalin oblast, and Amur oblast was determined. The analysis of distribution of the antigen-specific factors was performed. It has revealed both the high frequencies of

Abstract—The possibility of using the created and improved equations of multiple, nonlinear regression, reflecting the dependence between the content of raw gluten, protein content, and the 1000-grain weight, to forecast the content of raw gluten in wheat grain is discussed. The algorithm and the results of testing the predictive capabilities of equations using independent data are presented. A data

Abstract The model was used to simulate tomato green canopy (CC), soil water (SWC) and final yield under deficit irrigation regimes as 1.25, 1.00, 0.75 and 0.50 percentages of crop evapotranspiration (ETc). The model was calibrated by used an experimental data and fine-tune to some conservative crop parameters. The NRMSEs in simulated CC and SWC in different treatments were 4.1–19.6 and 6.3–14.1%,

Abstract—Unused lands in northwest Russia are quickly overgrown by wood and shrub vegetation (WSV). Their effective development for forage is associated with the search for optimal safe solutions both for processing of this vegetation and for restoring fertility of sod-podzolic soils. The goal of the study was to evaluate the effectiveness of new technological options for fertility restoration of sod-podzolic

Abstract—The adaptability and stability in productivity of nine cultivars and lines of covered oats were studied in parallel competitive tests in two ecological points of the Kirov region (Kirov city and settlement Falenki) for their perspective use in production. The index of environment conditions (I) changed in 2018 from a negative indicator in Kirov (–10.50) to a positive one (3.86) in Falenki

Abstract During five rotations of a ten-field crop rotation in a stationary field experiment, the influence of annual application of fertilizers on productivity and quality of sunflower seeds (Helianthus annuus L.) was studied. The dynamics of the nutrient regime in the soil layers of 0–25 and 25–40 cm during the vegetation period was studied. It is shown that the optimal dose of fertilizers for the

Abstract Associations of weed populations in crop rotations of the agrophytocoenosis of spring wheat have been assessed for two different land treatment techniques (ploughing or notill) and two mineral nutrition backgrounds. The purpose of the study was to reveal differences in weed successions of the studied agrophytocoenosis in the northern forest-steppe zone of Chelyabinsk oblast in relation to

Abstract The age-related carcass-morphology and composition changes and the growth and development patterns of the axial and peripheral skeleton systems and the bones composing them in the Simmental and crossbred young beef bulls have been studied. In order to carry out the survey, the young bulls were divided into three groups of 15 animals each. The first (control) group included the purebred Simmental

Abstract The dynamics of the cleaning capacity of agricultural fields irrigated with wastewater from a gas-processing plant is studied. It is shown that 5–7 irrigations at a rate of 480 m3/ha annually bring 2.98–4.17 t/ha of pollutants into the soil, and these pollutants are retained in the soils of the aeration zone and contribute to their salinization and alkalinization and, as a consequence, lead

Abstract—Meat productivity and meat quality are determined by both paratypical and genetic factors. In this regard, investigating the genetic material for the presence of desirable allele combinations of genes associated with growth and development traits, as well as meat qualities of animals, has scientific and practical significance. The aim of this study was to determine the relationship between

Abstract—The aim of this study was to evaluate morphologic features, diagnostic qualifiers and enhance classification of alluvial-meadow soils in the floodplain of the Kur River within Azerbaijan. For this purpose, several soil pits were placed in the representative test areas and multiple soil samples collected within field campaigns (2014–2015). Based on the field and laboratory test data, the detailed

Abstract The effects of different doses of irradiation, including gamma and electron irradiation, on viability of saw-toothed grain beetles (Oryzaephilus surinamensis) have been studied. Barley grains infested with the pests were irradiated with a GUR-120 unit in a dose range of 150–1000 Gray (Gy) (treatment at doses of 100–120 Gy/h and 1800–2000 Gy/h) and with a “Duet” electron accelerator in a dose

Abstract The objective of the survey is to reveal the effects of a dysfunctional relationship between the gonadal steroids (progesterone and 17β-estradiol) on occurrence of inflammatory diseases (endometriosis and metritis-mastitis-agalactia) in sows in the postpartum period. The surveys were carried out with 27 sows at 106–107 days of gestation, measuring the concentrations of progesterone and 17β-estradiol

Abstract The wool and meat production of Khangil-type fine-fleece sheep within the Trans-Baikal breed has been studied. It is ascertained that 33.5, 59.1, and 7.4% of sheep are assigned to elite, first class, and second class, respectively, according to the rank structure. Liveweights of fine-fleece rams, replacement rams, ewes, and ewe lambs of the Khangil type exceed the breed standard for liveweight

Abstract The effect of short-term salt stress induced by carbonate salinization on the indicators of oxidative stress, the activity of antioxidant enzymes, and the content of some metabolites in winter triticale seedlings were studied. The experiment was carried out on 7-day-old plants after 12, 24, 48, 72, and 96 h of exposure to 120 mM sodium carbonate solution. The content of malonic dialdehyde

Abstract The effect of long-term usage of various fertilization systems (organic, mineral, and organic-mineral) on the agrochemical indicators of sod-podzolic heavy loamy soil and the productivity of crops of eight-field crop rotation has been studied. Fertilization systems with high saturation (manure 20 t/ha per year, NPK in equivalents of manure 20 t/ha per year, and manure 10 t/ha per year + NPK

Abstract Time dependences of projective coatings for different ecotopes of soil-plant communities on pastures in arid zones are obtained by numerical dynamic modeling in the form of ordinary differential equations. The models are developed for the dynamics of the functioning of four types of phytocenoses with different interaction schemes. The variety of schemes of succession transitions is caused

Abstract The objective of the surveys was to study fertility and productive performance of heifers and cows of the Red Steppe breed under different atmospheric pressure gradients of 725–750, 751–775, 774 mm Hg, and higher pressure gradients. On the days with the indicated atmospheric gradient frontiers, the heifer and cow insemination and milk yield control procedures with the analysis of the milk

Abstract The objective of the survey was to assess evolutionary trends in the mountain-grassland soil processes and the environmental and anthropogenic impacts on soil degradation and land efficiency. Generalization of the previously studied materials in comparison with the data collected in route surveys carried out in the large river basins, including the Samur, Chirakhchai, Sulak, and other rivers

Abstract The platelet activity in newborn calves of the Kholmogory breed was assessed. The studies were conducted on 39 animals obtained from healthy cows of 2–3 calving. Calves were examined five times in 2 days during the observation period. A tendency towards an increase in the activity of the aggregation process of blood platelets with all tested inducers was revealed during the neonatal phase

Abstract Present study carried out in a randomized complete block design with three replications for determining additive, dominance and cytoplasmic effects on inheritance of yield and some of agro-morphological traits in bread wheat. The highest value of grain yield (265.5 g m–1) was obtained in p6. Dominance variance was larger than additive variance for grain-filling period (GFP), plant height (PH)

Abstract The purpose of this research was to study the groat-forming ability of different varieties of winter rye and determine the specific varietal traits that positively influence the groat output. Fourteen varieties of winter rye differing in a number of morphobiological and technological grain properties served as the object of study. The varieties were grown on the fields of the Nemchinovka Research

Abstract This paper studies some parameters of animals’ immune status in case of combination and traditional therapy. The positive dynamics of circulating immune complexes (CICs) in the blood flow and restoration of the composition of white blood cells after combination therapy of sheep with spontaneous invasion with gastrointestinal strongylata were revealed. Preliminary subcutaneous double injections

Abstract The biological and economic efficiency of the use of the new, combined herbicide Uniko, CSC, (100 g/L fluroxypyr + 2.5 g/L florasulam) at application rates of 1.0, 1.25, 1.5, and 1.75 L/ha is studied in field trials. Cereal crops were sprayed in three stages: tillering/early booting, flag leaf stage, and heading (the experiment using herbicides at the latest stage was performed in Russia for

Abstract The biochemical features that govern multi-functions of boiling soluble proteins are still not well documented. This study reports isolation and sequencing of a water stress responsive cDNA which encodes dehydrin-like boiling soluble proteins (designated as TaBsSRP1 and TaBsSRP2: Triticum aestivum boiling soluble stress responsive proteins) from seedlings exposed to water stress from wheat

Abstract The studies were conducted on gray forest soils of OOO Agriko-Eurasia of Voskresensky raion (Moscow oblast) in 2015–2017 in order to substantiate the adaptive industrial (Dutch) technology of potato cultivation depending on the fertilizers and varietal characteristics. The study of the growth processes of potatoes showed that, when applying industrial technology, the development phases came

Abstract The recommended dietary intakes for the chelated metal proteinates containing copper in various bound forms, organic and inorganic, at different levels have been proven in an experiment with young fattening pigs. Compound feed enriched with copper sulfate at the rate of 40 g per t was fed to the tested animals in the control group. The animals in the first experimental group received compound

Abstract The purpose of this study was to substantiate the directions of reducing the damage to seeds during harvesting of grain crops. Threshing-separating devices of combine harvesters, physicomechanical characteristics of plants using wheat as an example, and parameters and modes of threshing devices that reduce grain damage were studied. It was revealed that grain damage is a consequence of the

Abstract Milling properties of seven varieties and accessions of durum winter and spring wheat grain (Pobeda 70, Donskaya Elegiya, Bezenchukskaya Niva, Triada, and Nikolasha) grown in Moscow and Orel oblasts were studied. The Pobeda 70 variety of durum winter wheat, created in the Laboratory of Breeding and Seed Production of Field Crops of the Russian State Agrarian University–Timiryazev Moscow Agricultural

Abstract The aim of the present study was to focus on the growth promotion and wilt diseases protection of tomato plants by Bacillus sp. LBF-01.The plant growth promotion (both in vitro and in vivo) and diseases protection mechanism were studied following standard protocols. This bacterial strain showed positive PGP and antifungal traits against the wilt pathogen Fusarium sp. The seed bacterization

Abstract The objectives of the survey were to protect and increase the European bison (wisent) population size and to study its economically important traits under the environmental conditions of their habitats and ranges shifted with advancing northward as far as the northern European part of Russia. The subject of the survey was the purebred European bison in the Vologda oblast. High-level resistance