Scientific Journal of KubSAU

Polythematic online scientific journal
of Kuban State Agrarian University
ISSN 1990-4665
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Коnоnеnко Sergey Ivanovich

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Kuban State Agrarian University
    North-Caucasus Research Institute of Animal

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Articles count: 32

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abstract 1161602057 issue 116 pp. 821 – 849 29.02.2016 ru 658
In the decision to establish solid fodder resources in the arid parts of Southern Russia triticale should take its rightful place. It must be introduced instead of winter wheat, inferior to the yield, quality and output of nutrients per unit of area. It is necessary to maximize the potential of new varieties of winter triticale, as the productivity of animals largely depends on the varietal characteristics of the culture. Triticale has attracted special attention by its ability to exceed the parental forms on productivity and quality, and resistance to adverse soil and climatic conditions and the most dangerous disease is not inferior to rye. The generalized data of most researchers characterize triticale as a factor in increasing the productivity of animals and reducing the cost of feed per unit of output, although in some cases there is a negative trend in reduction of productivity by the replacement of cereal grain components for winter triticale. Due to the enrichment of compound feed with triticale grain by enzyme preparations and enzyme-probiotic supplements we can greatly increase productivity, digestibility of main nutrients, improve meat quality and reduce the cost of feed per unit of output. We can increase the productive effect of triticale grain by extrusion. In physiological metabolic experiments, it is found that by extruding of triticale grain the digestibility of the main nutrients is increased by 1.3-1.8%. Extruding of triticale before feeding promotes slaughter yield and increases the levels of protein in the muscle. The use of triticale in rations instead of wheat reduces the cost of the diet, the cost of the manufactured products and increases profitability. The study of achievements of scientists from various scientific organizations necessitates the further breeding work with the culture of triticale and requires the development of innovative technological methods that can help reduce the concentration of pentosans and beta-glucans in the grain
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abstract 1171603016 issue 117 pp. 284 – 304 31.03.2016 ru 160
In the current economic conditions of the import substitution, special importance is given to the search for new feed sources, methods of preparing them for feeding, the use of biologically active substances and enzymes. At the forefront of feed production is rape as breeding work with this culture has showed positive results. Currently, selectionists have bred yellow double-zero "00" varieties of rapeseeds free of erucic acid of "Canole" type, that have low glucosinolate level. The development of new and modern technology standards are required for preparation them for feeding, since they are fundamentally different from the previously used rapeseed varieties and have fewer restrictions for feeding to different types of farm animals and poultry. The article presents a fairly lengthy and reasoned review of the literature of a large number of authors on the topic, as well as given rapeseed market analysis, rational and advanced methods of preparing rapeseed processed products for feeding to young and adult animals. Much attention is paid to the use of a variety of biologically active substances and enzymes, which improve digestion and absorption of nutrients from rations with rapeseed processingproducts, increase productivity and reduce feed costs per unit of production. The use of processing products of rapeseed improves the profitability of livestock production. Feeding of rapeseedcake to cattle increases the protein content and volatile fatty acids in the rumen content, increases the number of infusoria and decreases ammonia levels. The inclusion of rape forage in diets of farm animals and poultry improves hematological parameters. Products of rapeseed processing of the varieties with low glucosinolatesa1re recommended for the rations of farm animals and poultry depending on the species, age and physiological state
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abstract 1181604044 issue 118 pp. 773 – 782 29.04.2016 ru 388
In our country, great influence is given to the production and consumption of agricultural animals' meat with high consumer qualities. In this regard, the livestock producers, particularly pigs, are to increase production and improve product quality. Works on using some natural mineral complexes - bentonite and zeolites as a source of macro - and trace elements are performed. The aim of the research is to study the effects of bentonite feeding with free access on the meat productivity and hygienic meat quality of young pigs for fattening. Best effect on the slaughter indexes of fattening gilts had bentonite feeding with free access that resulted in significant superiority of the animals in the experimental group over the control counterparts on pre-slaughter live weight, slaughter weight, chilled carcass weight, slaughter yield, carcass length, the "muscle" eye area and the backgammon weight. More favorable effect in the longest muscle on the dry matter and protein synthesis was provided by bentonite feeding with free access. Due to this, the gilts of the experimental group were in significant advance of their control counterparts in concentration of dry matter and protein in meat. Along with this, the longest muscle of young pigs on fattening in the experimental group had the highest protein value, as according to the protein-qualitative indicator the animals of this group were in significant advance of the control counterparts. Feeding bentonite clay with free access had a strong detoxifying effect that is against control counterparts of gilts in the experimental group showed the significant reduce of lead, zinc and cadmium concentrations in the meat
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abstract 1181604045 issue 118 pp. 783 – 793 29.04.2016 ru 380
For further increasing pork production and to increase its quality it is necessary to provide complete and balanced feeding of young pigs for fattening. The special place takes the issue of satisfying their physiological needs in macro and micronutrients. The most cost-effective step in these circumstances is using bentonite clays as natural mineral supplements. The aim of this work was to study the effect of the addition of bentonite of Zamankulskaya field on the energy growth, digestibility and the digestibility of nutrients of the diet of young pigs. According to the results of the survey, the best productive effect was when ensuring free access to the bentonite, so that the young pigs of the 3rd experimental group vs control group had significant superiority according to gross and average daily live weight gain and feed products. According to the results of scientific and economic experience, it was found that with free access to the bentonite best economic and useful indicators were observed in the animals of the 3rd experimental group against the control analogs, as they had significant superiority in terms of absolute live weight gain and feed consumption per unit of production. During the physiological exchange of experience the most beneficial effect on the hydrolysis of complex organic compounds had bentonite feeding with free access of pigs. The result was a significant superiority of the experimental animals over the control ones in coefficients of digestibility of dry matter, organic matter, crude protein, crude fat and NFE. To improve the digestibility and absorption of nutrients in the diet of young pigs it is advisable to feed them with bentonite clay as natural mineral supplements with free access
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abstract 1191605021 issue 119 pp. 293 – 312 31.05.2016 ru 147
The successful development of livestock requires maintaining and further increasing of the genetic potential, the basis for the manifestation of which is the adequite balanced feeding. Currently, one of the most urgent problems of livestock breeding is to find ways for reduction of the negative impact of various feeding factors on the animals. In industrial conditions, it is difficult to exclude various feed stresses, which lead to a decrease in productivity, survival rate and ill health of animals and poultry. The work summarizes the research in this direction, taking into account the achievements of domestic and foreign authors. A serious problem of feed producing companies and livestock farms is the grain and compound feed affection with fungi and their metabolic products - mycotoxins. Based on the results of the research of several authors, the ways of solving this problem were identified and recommendations on the reduction of the negative effect on the body were provided. It is noted, that one of the best and effective ways to reduce the negative effect of mycotoxins on the body is a method of administration of adsorbents in animal feed. But it should be taken into consideration that in order to maximize the protection against mycotoxins and minimize their harmful effects on the body of animals it is necessary to use preparations, which include adsorbents of organic and inorganic nature, as well as to comply with the dosage of their introduction into the diets of animals and poultry.The progressive forms of preparations of a new generation, solving problems of the negative impact of feeding factors, include probiotics, which contain some bacteria, immobilized on the solid particles, so that they inhabit the intestine faster. Modern biological complexes have immune correcting properties, increase non-specific resistance of the organism, normalize microbiocenosis of gastrointestinal tract, and stimulate the functional activity of the digestive system. Therefore, it is necessary to use feed additives with detoxification properties as part of animal compound feed, according to recommendations on their application in appropriate dosages
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abstract 1201606062 issue 120 pp. 914 – 923 30.06.2016 ru 218
The aim of the research was to study the impact of starter complete feed (CF) with different levels of crude fat on the chemical composition of muscle tissue and liver of young geese. During days 5-28 the poultry was fed CF with 5.1-8.1 % crude fat, from 29- to 60- day age – with 5.4 %. By increasing the level of crude fat in starter CF there was a trend to an increase of the phosphorus content in muscle samples of geese hip and thigh - by 4.4-9.6 %, in the liver - by 27.2-53.5 % (P≤0,05). The chest muscles of the young geese fed high-calorie CF had 2.8-6.0 % higher fat content, than that of counterparts in the first group. At the same time, there was a tendency to a decrease in the concentration of fat in the muscles of the hip and thigh - by 1.9-5.0 % (P˃0,05). Increased level of crude fat in CF did not have a negative impact on the accumulation of heavy metals in the muscle and liver of geese, the concentration of the studied elements was within the permissible level established for food products
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abstract 1221608040 issue 122 pp. 554 – 566 31.10.2016 ru 549
The isolation of E.coli phages from samples of natural and waste water obtained during expeditions in the different regions of Russian Federation was carried out. The obtained phages (286 isolates) were tested for their ability to lyse the pathogenic strains of E. coli – pathogenic agents of pig colibacteriosis in Krasnodar region. The study was conducted of their ability to phage transduction, the molecular-genetic characterization and biotechnological parameters of selected bacteriophages. For first experimental design of veterinary drugs was selected 5 coliphages having no ability of plasmids transduction. It has been shown that all the investigated phages are representatives of T4-type phages of family Myoviridae. The reported study was partially supported by RFBR, research projects No. 08-04-99111, 09-04-10132, 16-44- 230855
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abstract 1231609029 issue 123 pp. 421 – 432 30.11.2016 ru 356
This work considers the needs and methods of phage therapy of two bacterial infections in poultry. The review examines the use of bacteriophages, from the moment of their discovery to the present day. We discuss the relevance of such diseases as compilobacteriosis and colibacteriosis transmitted from birds to humans, we show how to use bacteriophages and their efficacy in models of adult birds and chickens, including information provided on the pilot study of phage therapy at a poultry farm. The reported study was partially supported by RFBR, research projects No. 16-44-230855 and No. 13-04- 00991 and № 16-44-230855-р_а
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abstract 1271703036 issue 127 pp. 527 – 545 31.03.2017 ru 242
To improve the quality, safety and competitiveness of the domestic raw materials of animal origin the use of probiotics in the poultry industry is a priority and promising direction of the development of organic agriculture. One of the key problems of the production of probiotics is to provide actively stable preparations. Biocompatibility of the indigenous microflora with probiotics, medical form and individual range of antibacterial activity of probiotics have a significant impact on the introduction of probiotics in new habitat conditions and its effectiveness. Consideration of these factors can enhance the effectiveness of probiotics. Currently, the available literature has insufficient justification of certain doses of administration and methods of using different probiotic preparations. The materials present and summarize the results of the research concerning the use of probiotics in the poultry industry, based on the achievements of Russian and foreign scientists. In addition, based on the analysis of various sources of scientific literature, we suggest ways to solve the problem of probiotic therapy and give some recommendations on the organization of the technological process of selection and application of different probiotics in poultryfeeding. Raw meat from poultry reared with the use of probiotic preparations is safe, because metabolites of probiotic microorganisms are not accumulate in the body tissues. Researches of biosynthesis regularities of probiotics were made at the cellular level, including genetic aspects, features of regulation of secretion, dependence on the cultivation conditions, interaction with binding sites on the cell surface, participation in the vital activity of the population of individual cells. The use of probiotics contributes to normalization of the intestinal microflora, activation of protein metabolism, productivity increase, reduction of feed costs per unit of production and increasing of poultry industry economic efficiency as a whole
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abstract 1331709063 issue 133 pp. 823 – 850 30.11.2017 ru 344
In the review, the stages of designing therapeutic cocktails of T4 type bacteriophages based on works by Harald Brüssow from Nestlé S.A. (Switzerland) are considered. The main stages of this process are identified: analysis of existing cocktails, selection of phages; creating a collection; cultivation of the host bacterium, multiplication of viruses; purification of the preparation; contamination testing; preservation, stabilization and storage; preclinical and clinical trials. H. Brüssow first studied the Russian drug " Coli-Proteus bacteriophage " of "Microgen" with the help of metagenomic analysis, electron microscopy and conducted its clinical studies. Prof. Brüssow considered the advantages of T4 bacteriophages for the treatment of Escherichia coli infections. Researchers studied methods of cultivation in Erlenmeyer flasks, in a bioreactor, in disposable sack cultivators for the propagation of viruses. For its purification the chromatography, centrifugation, filtration and polyethylene glycol precipitation were studied. To quickly check the contamination of phage cocktails, a mass spectrometry method is proposed. Researchers considered basic strategies, such as lyophilization, spray drying, the formation of microcrystals and microspheres to stabilize the preparations. They also reviewed the results of clinical trials of phage cocktails. We have listed the problems of selecting T4 bacteriophages from the point of view of modern knowledge. H. Brüssow and his colleagues carried out an interesting work on the construction of phage cocktails based on T4 type bacteriophages, and also revealed the problems of the current state of phage therapy