Don state agrarian University
Author list of organization
List of articles written by the authors of the organization
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THE INFLUENCE OF GENOTYPE OF RAMS ON THE QUALITATIVE CHARACTERISTICS OF MEAT
06.00.00 Agricultural sciences
DescriptionThe article presents the results of the qualitative assessment of meat of crossbred rams. The analysis of the data shows that crossbred rams of 2, 3 and 4 groups increased the absolute mass of muscle tissue compared with purebred 12.3; of 18.2 and 25.6%, respectively. Fine-wooled rams were superior in the relative content of bone in carcasses of crossbred 1.1- 4.2 percent. Output of pulp for 1 kg of bones had the advantage of crossbred rams 2, 3 and 4 groups compared with purebred 0.12; 0.24 percent and 0.44 kg respectively. The analysis of the data shows that in carcasses of young animals of all the groups the greatest specific weight took cuts of the 1st sort. Nevertheless, the valuable parts to carcass weight balance was higher in the carcasses of the crossbred calves. So, rams 2, 3 and 4 groups, this advantage was 1.9; 4.5 and 4.7%, respectively. Thus, the analysis of a complex of indicators characterizing the quality of meat rams of different genotypes revealed that the superiority for the studied indices took place for two - and three-bred animals. These options of both simple and complex industrial crossing are promising and can be implemented and used in the farms of Merino and crossbred sheep
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06.00.00 Agricultural sciences
DescriptionChin sativa grain yields on the black-earth soils in Rostov region are studied. Recommendations about applying of mineral fertilizers with symbiotic nitrogen fixation are given
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INFLUENCE OF PROBIOTIC PREPARATIONS ON FEEDING AND MEAT QUALITIES OF PIGS
06.00.00 Agricultural sciences
DescriptionApplication of studied probiotic preparations has allowed receiving 15-20 % more meat from examined animals in comparison with animals of control group. At comparison of groups, most productively application is Provagen probiotic
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INFLUENCE PROBIOTICS ON BEGINES OF THE INTESTINAL BIOCENOSIS IN SUCLING PIGLETS
06.00.00 Agricultural sciences
DescriptionThe article gives an account results of comparetic evaluate of same probiotics on intestinal biocenosis development of suckling piglets. It is establish, that investigated preparates enlarge the concentration of lacto- and biphidobacterium, and reduce the quantity of Escherichia coli group bacterium
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06.00.00 Agricultural sciences
DescriptionThe effect of the level of milk production of firstcalf heifers on the further productivity, reproductive function and duration of economic exploitation of holstein cows in southern Russia
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06.00.00 Agricultural sciences
DescriptionIn the article, the data of researches of studying of elements of technology of cultivation of winter wheat, taking into account its high-quality features, types of fertilizers and application, joint crops with winter vick provided in the Rostov region, and also the economic assessment is given
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REPRODUCTIVE QUALITIES OF LANDRACE PIGS OF DIFFERENT GENOTYPES IN GENES PRLR AND MC4R
06.00.00 Agricultural sciences
DescriptionThe article presents an analysis of the influence of genes PRLR and MC4R on reproductive performance of Landrace sows. The frequency of alleles and genotypes of this marker genes and their relationship to reproductive performance are shown
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REPRODUCTIVE QUALITY OF BOARS AND SOWS, WITH DIFFERENT LEVELS OF NATURAL RESISTANCE
06.00.00 Agricultural sciences
DescriptionThis article presents the results of the study of the relationship of reproductive qualities of breeding boars and sows with their level of natural resistance, as as-sessed by resistance index
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06.00.00 Agricultural sciences
DescriptionThe article describes the evaluation of reproductive, fattening and meat qualities of pigs of purebred large white breed (KB), crossbred ewes, derived from crosses KB sows with boars of steppe type (ST) CM-1 and three-pedigree animals, obtained by crossing crossbred ewes KB x ST with imported boars of specialized meat breeds, such as Landrace (L) Duroc (D) and pietrain (P). We have studied qualities such as prolificacy, milk yield, live weight of the nest, the average weight of one Piglet, the safety of the offspring to weaning, maturity, which is closely associated with average daily gain in live weight, meat content of carcasses, their linear dimensions, meat productivity, the amount of kidney fat, weight of carcasses of animals of the experimental groups, carcass yield
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HEMATOLOGICAL STATUS OF DOGS USING A BIOSTIMULATOR DEP
DescriptionIn veterinary practice, feed biologically active additives of plant and animal origin are widely used to improve digestion and absorption of nutrients, as well as to correct the normalization of metabolism. One of these biologically active drugs is denatured emulsified placenta (DEP) which has antiviral, anti-inflammatory, and immunomodulating properties. Therefore, the purpose of our research was to study the effect of DEP on the morphological composition of dog blood. During the research, it was found that the number of red blood cells in dogs of the control group was 1.57% or 0.12 x 1012/l more than in the experimental group. Erythrocytes of dogs in the control group had 0.37% more volume than the same indicator in the experimental group. However, each red blood cell of animals in the experimental groups was characterized by a high content of hemoglobin in it by 1.6%. Before the start of the experiment, the number of lymphocytes in the blood of dogs in the control and experimental groups was 4.07 and 2.34%, respectively, below the minimum reference value. The number of monocytes and granulocytes in the peripheral blood of dogs in the control group was 0.23 and 1.49% higher, respectively, than in the control group. The platelet content was higher in the control group than in the experimental group by 49.38 x 109/l or 27.3%. Changes that occur in the body of dogs under the action of a biostimulator indicate an increase in the production of antibodies to protect the body from infections and ensure the animal's immunity. They completely regulate the immune system