N. V. Bogolyubova

• Head of Department at L.K. Ernst Federal Research Center for Animal Husbandry

The study of the formation of the composition and quality of livestock products is of scientific and practical importance. In this regard, the aim of the research was to determine the biological markers characterizing the quality indicators of muscle tissue of the Angus cattle. The object of the study was muscle samples of the rib eye of the Angus...

The purpose of the research was to study some indicators of antioxidant and hormonal status in the body of ewes and young sheep of the Romanov breed, as well as to identify correlations between the studied indicators. The experiment was carried out in the physiological yard of the L.K. Ernst Federal Research Center for Animal Husbandry in spring of...

The research was carried out to study an effect of the antioxidant melanin in the broiler nutrition on the chemical composition, antioxidant and technological properties of meat, and the fatty acid composition of abdominal fat. The experiment was conducted in the conditions of the physiological courtyard of the L. K. Ernst Federal Research Center f...

In the process of maintaining the metabolic processes of the gastrointestinal tract of ruminants, an important link is to ensure a complete feeding diet. The study of the use of betaine supplements in a form "protected" from the indirect effects of the microflora of the rumen showed positive dynamics in relation to the digestive processes, the micr...

The research was carried out on 2 groups of dairy cows of 30 heads each on a farm with the formation of technological groups according to calving dates and milking on a unit with individual milk yield accounting. The cows of the experimental group, in the period two weeks before calving and for 2 months after calving, were added to the diet, respec...

The effectiveness of using the developed protected form of betaine in the diets of young sheep of the Romanov breed was studied and the effect on biochemical and clinical blood parameters, resistance, and productive qualities was established.

World consumption of pork is steadily increasing, with the growing demand for pork being met by increasing both the number of pigs and their slaughter weight. However, pork production faces negative factors leading to the development of oxidative stress, which does not allow the genetic potential of the breeds to be fully realised. Particular atten...

Relevance. Assessing the meat production of beef cattle to be transformed by involving an ever-increasing phenotypic data to improve the accuracy of genotype estimation of animals. This can be achieved through the use of live weight changes for individuals and feed consumption during the period of their rearing in feedlots. In this regard, the use...

Relevance. There is evidence of increased immunity in animals when they are fed components from insect larvae. The research objectives are to study some aspects of the composition and bactericidal properties of the lipid fraction obtained from the biomass of Black Lion larvae (LCL-lf); to establish the effectiveness of using LCL-lf as an additive t...

Relevance. The study of the physiological effect of the pancreas, which is a slaughter waste, on the body of calves of early weaning during the formation of digestive activity of the gastrointestinal type to improve the adaptive capabilities of the body of calves is of scientific and practical interest. Methods. Scientific and production experience...

A unique muscle of pigs (Sus scrofa domesticus) is m. semitendinosus, which contains the “red” (dark) part located mainly in the depth of the leg cut and the “white” (light) part located in the close proximity to the subcutaneous fat layer. Differences in the characteristics of its “red” and “white” parts can exert a significant effect on quality a...

The object of our research was blood and muscle tissue samples of the breast and thigh, taken from birds at the age of 63 days of the following groups: group 1—egg productivity (cockerels, Russian White breed, n = 28), group 2—meat and egg productivity (cockerels of a cross between Russian white and Cornish breeds, n = 148—blood, hens n = 81 and co...

One of the priorities of the Strategy of scientific and technological development of the Russian Federation (approved by Presidential Decree № 642 of December 1, 2016) is the transition to a highly productive and environmentally friendly agriculture. Organic agriculture can help to ensure sufficient food for the population by 2050 and simultaneousl...

Basic blood and muscle tissue parameters have been analyzed in crossbred male Russian White and Cornish hens (♂, RW x CORN, n=95, slaughtered at 63 days of age). According to BW at slaughter, males (n=95) were divided into 3 groups (group 1–1,000–1,799 g, n=31; group 2–1,800–2,099 g, n=28; group 3–2,100–2,650 g, n=36). It has been found that with a...

Relevance . The periods of early postnatal ontogenesis are characterized by high plasticity, intensive metabolism and the need for nutrients and biologically active substances. Young animals weakened by diseases lag behind in growth and development, labor and feed costs for its cultivation increase. Maintaining and preventing the health of calves d...

Relevance . Of scientific interest are studies to assess the pro- and antioxidant status of the body of productive animals with age, since they are interconnected with health, the state of the immune and reproductive systems. Methods . In order to study the indicators of antioxidant protection in the body of young cattle of different ages in the co...

The study aimed to evaluate the effect of a pine tree energy supplement based on forest processing on milk productivity, milk quality, and methane emission by cows. The studies were carried out in production conditions on two groups of black-and-white cows (10 heads each) after calving. The cows of the control group received a basic diet which incl...

During the scientific-economic experiment young cattle of the dairy and post-dairy period of growing of the 1st control group (C-) were fed with the basic diet (BD), whereas calves of the 2nd experimental group (C+) with BD feeding additional premix containing sodium selenite (0,30 mg Se per 1 kg of dry matter (DM) of a diet). Animals of the 3rd, 4...

The purpose of this research is to develop and test a new approach to prevent clostridial disease in cattle, based on the use of a new compound biologically active feed additive (BFA). Some properties of the separate components of BFA are characterized. The research showed that a strain of the bacterium Bacillus amyloliquefaciens159 has an expresse...

Relevance. Milk contains a large number of biologically active compounds (including antioxidants) and is deservedly considered one of the main food products both in its original form and after technological processing. Materials and methods. In this work, the measurements of the total amount of antioxidants (TOA) in milk samples of cows (from the «...

Our article presents the biochemical parameters of the blood of Duroc pigs, obtained by the classical approach. We used the results of a biochemical blood test of 78 clinically healthy boars undergoing test fattening at automatic feed stations, at the age of 5 months, with an average live weight of about 100 kg. The main biochemical parameters (cre...

Analysis of interrelation of productivity indicators and meat quality of pig hybrids (DxLxLW) (n=203) taking into account genotype of animals, stress factor and feeding complex of adaptogens was carried out on the basis of data array. The highest correlation were with ADG-CY (P<0.001), ADG-pH24 (P<0.01), BF1-BF2 (P<0.001), BF1-pH24 (P<0.001), pH45-...

In physiological and production studies on intact and fistulated cows and sheep, the effect on enzymatic and microbiological processes in the rumen was studied when energy feed (EF) based on propylene glycol, glycerin and sugars was included in the standard diet of cows, separately and in combination with a complex of cellulolytic enzymes, consisti...

The physiological effect of the «protected» form of betaine in a comparative aspect on the processes of ruminal digestion and biochemical parameters of the blood of sheep was studied and analyzed. The experiment was carried out on sheep with chronic scar fistulas. The experiment included 3 periods - control and 2 experimental. In the control period...

Scientific and practical interest is the study of indicators of metabolic processes in various genotypes birds, which is important in the clinical and physiological assessment of the birds health. Blood from cockerels of the egg direction of productivity (Russian White breed, n=19), meat and egg direction of productivity (crossbreeds of the Russian...

The study aimed to evaluate the effect of dietary supplements on ruminal digestion and intestinal microbiocenosis of lactating cows. The study was carried out under production conditions on three groups of new black-and-white heifers (10 heads each). Mean live weight of cows was 500±20 kg. The cows of the control group received a basic diet, which...

The study’s aim was to assess determine the physiological and biochemical status of lactating Nubian and Karachai goats depending on breed and lactation number, as well as to identify correlations between blood biochemical parameters and some antioxidant indicators. Our experiment was divided into two groups for this purpose: the first (comparative...

Due to the intensive development of technologies for obtaining protein, energy feed and biologically active supplements from insects, the feasibility and effectiveness of introducing these products into the rations of farm animals require further study. This research aims to study the possibility and effects of feeding dairy cows fat from the larva...

The research was carried out on 2 groups of dairy cows of 30 heads on the farm with the formation of technological groups according to the timing of calving and milking on the unit with individual accounting of milk yield. Cows of the experimental group in the period two weeks before calving and for 2 months after calving were added to the diet, re...

Relevance. Studies on the assessment of the pro- and antioxidant status of the body of productive animalsare relevant, since they are interconnected with health, the state of the immune and reproductive systems. There is a steadily growing body of information in the field of oxidative stress in animal husbandry and veterinary medicine, which indica...

The aim of our research was to determine the content of protein, carbohydrate, lipid, and mineral metabolites, as well as an antioxidant status of the sow’s blood after weaning and to calculate the correlation between these parameters. The experiment was carried out on twenty clinically healthy crossbred sows (Yorkshire × Landrace). Twenty sows wer...

Analytical control of protein and amino acid (AA) contents of animal tissues is an important problem in the fundamental and applied aspects. The aims of the work were the following: to measure the pig blood AAs; and to establish the correlations between AAs and biochemical parameters in dependence on the pig fattening duration. All 80 animals were...

The aim of the work was to study the correlations between the total amount of water-soluble antioxidants (TAWSA) and biochemical parameters (BC) of cow milk depending on the somatic cell count (SCC). The BC and TAWSA values of cow milk were measured by spectroscopic and amperometric methods, respectively. The milk samples from the black-and-white c...

Purpose: to study hematological parameters of blood in bulls-producers of dairy breeds on the day of semen collection in the Udmurt Republic after a long winter period of operation, depending on the breeds, age and place of selection. Materials and methods. The work was performed at the Federal Research Center for Animal Husbandry named after Acade...

The aim of the study was to study the effectiveness of using dihydroquercetin (DHQ) in the breeding of pigs in various technological periods characterized by the influence of elevated temperatures and technological stresses. The studies, which lasted 120 days, were conducted on 4 groups of cross-bred boars F2 [(large white x landrace) x duroc] (BW...

An evaluation of the antioxidant level in animal blood is one of the powerful methods for estimation of the animal’s physiological-biochemical status (PBS). The aim of this work was to study the antioxidant level in the Duroc boar blood based on the measurements of active products formed after sample interaction with the thiobarbituric acid (TBAap)...

The increasing demand for high-quality livestock products dictates to develop approaches to assessing the composition of the amino acids (AAs) in animal tissues. The review considers the following issues: chromatographic methods for the determination of AA composition of pig tissues; factors influencing of AA composition of pig tissues; methods of...

Milk is an important research object for the fundamental science and the development of new processing technologies. A large number of biologically active compounds of milk, with a more detailed study, show their more and more important properties, including antioxidant ones. The aim of the work was to determine the total amount of water-soluble an...

Our article presents the biochemical parameters of the blood of Duroc pigs, obtained by the classical approach. We used the results of a biochemical blood test of 78 clinically healthy boars undergoing test fattening at automatic feed stations, at the age of 5 months, with an average live weight of 100 kg. The main biochemical parameters (creatinin...

High pH value 45 minutes after slaughter (рН45) has so far been the most frequently used indicator to select pig carcasses with normal course of autolysis. However, in practice, this does not provide meat quality homogeneity. Therefore, carcasses with рН45 > 6.0 were examined for signs of myopathy, which are characteristic for PSE meat, using the h...

The research aim is to study the efficiency of feeding Taxifolin (TAX) to pigs under moderate heat stress conditions. The experiment was performed on crossbred ((BWxL)xD) pigs (BW1=17.2–17.4 kg, 58 days old, n = 27) during the fattening period. The animals were in 3 groups: Group 1-control (standard forage-SF, n = 9), Group 2-experimental (SF+32 mg...

Correlations between the major biochemical (BC) and antioxidant (TAWSA) parameters of pigs’ blood are necessary to study in order to assess physiological–biochemical status (PhBS), animal health, production, etc. Blood samples were obtained from Duroc breed boars (n = 77), divided into groups 1 (n = 25), 2 (n = 40) and 3 (n = 12), which were fatten...

In modern society, distress has become a widespread condition that negatively affects the functioning of all systems of the human organism. The study of biological mechanisms and changes in the organism under the influence of stress, as well as methods of their leveling, are relevant in medicine, animal science and veterinary medicine. Pigs are an...

The aim of the work was to study the component composition of milk of black-and-white cows in the winter-stall period and its main biochemical parameters. In this work, the total amount of water-soluble antioxidants (TAWSA) was assessed by the amperometric method (using "TsvetYauza 01-AA" device) and the average values of the milk component composi...

Pig breeding is one of the key areas for the development of livestock meat production both in Russia and in the world. According to forecasts of various agro-industrial companies and information and analytical agencies, by the end of 2020, pork production was predicted to grow similar to that in 2019, which was 5,1% (or more than 192,6 thousand ton...

More intensive processes of protein and carbohydrate-lipid metabolism were revealed in Karachaev goats. With an increase in the number of lactation in the blood of Nubian goats, the level of protein, glucose and cholesterol increased, and Karachaev goats – urea and triglycerides. The milk of both breeds was characterized by a high content of fat, p...

The increasing demand for high-quality livestock products dictates to develop approaches to assessing the composition of the fatty acids (CFAs) and amino acids (CAAs) in animal tissues. The review considers the following issues: chromatographic methods for the determination of CAAs and CFAs of pig tissues; factors influencing the CAAs and CFAs of p...

Recent data show that dried larvae of darkling beetles (Zophobas morio L., DZML) and dried larvae of wax moths (Galleria mellonella L., DGML) contains a significant amount of protein, fat, chitin, melanin, antimicrobial peptides, trace elements etc. Larva’s fat is rich in lauric and other medium-chain fatty acids. The aim of our research was to stu...

Dihydroquercetin (DHQ; taxifolin) and quercetin are interesting for pig breeding as adaptogens positively affecting the antioxidant status of animals. The aim of the study was a comparative quality analysis of pork from the control and experimental pig groups (hybrid young barrows F2 (LWxL)xD with livestock weight of 35.0±1.0 kg at the beginning of...

Antioxidants application (selenium, vitamin E and flavonoids) in pig diets provides solving the problem of oxidative stress effects. The research aims to study the efficiency of supplement Taxifolin feeding to reduce the stress effects. Experiments were performed using crossbred [(BWxL)xD] pigs (BW1=34.5–34.9 kg, N=36, n = 9) during the fattening p...

The effects of chitosan as feed additive for animals (FAFAs) on various digestive processes are an important to study because of the animal nutrition and production quality, healthcare and farming. The aims of this study were to evaluate the total amount of water-soluble antioxidants (TAWSA) of chitosan and high protein microbiologically synthesize...

The animal’s blood is the most complicated and important biological liquid for veterinary medicine. In addition to standard methods that are always in use, recent technologies such as dynamic tensiometry (DT) of blood serum and PCR analysis of particular markers are in progress. The standard and modern biochemical tests are commonly used for genera...

We have studied the peculiarities of the processes of rumen digestion in bulls while feeding them linseed cake in combination with the “protected” form of choline. When linen cake and choline were included in the diet, the most favorable conditions for the development of microorganisms were created in the rumen of animals, which had an impact on th...

The influence of fattening conditions on the digestive and metabolic processes in animals is actively studied to increase the production of animal food. The aim of the study was to estimate the total amount of water-soluble antioxidants in the blood serum of Duroc boars depending on the duration of fattening. Experiments were conducted on 102 anima...

The study of the qualitative composition of the muscle tissue of animals is necessary in connection with the influence of the nutrient content on the technological, taste and dietary properties of meat. The major known changes in the biochemical parameters of the animal tissues are in the content of amino acids and fatty acids, etc. The aim of the...

The aim of the work was to study the biochemical and antioxidant blood parameters of pigs of the Duroc breed. The fattening of pigs was of the same type in terms of the ration and was carried out at automatic feeding stations in OOO «Selective-hybrid center», Voronezh region, Verkhnyaya Khava settlement. The animals were divided into 2 groups depen...

The effects of chitosan on various metabolic and digestive processes in the animal body are an important to study because of the production quality for animal nutrition, healthcare, etc. The major known changes in the biochemical parameters of the animal liquids (by chitosan usage as feed additive) are the following: ratio of volatile and fatty aci...

The metabolic status of dairy cows prior to and after calving can be of great importance for their subsequent reproductive performance. The current research was aimed to compare prepartum and postpartum biochemical and thyroid profiles in dairy cows with different reproductive abilities during the first lactation. Blood samples from 44 Russian Blac...

This review paper is devoted to myopathy of slaughter animals and poultry, and examines a relationship between fast growth of muscle tissue in hybrid pigs, broiler chickens and turkey, and high frequency of detection of spontaneous or idiopathic myopathies. The development of myopathy reduces consumer and technological properties of meat, and leads...

Dihydroquercetin, the antioxidant added to the sheep diet either alone or in combination with organic iodine had a significant effect on the rumen enzymatic and microbiological processes, the intermediary metabolism, and the sheep’s resistance. Under the effect of dihydroquercetin in combination with the organic iodine, insignificant increases in t...

The inclusion of dihydroquercetin – antioxidant in the diet of sheep separately and in combination with organic iodine had a significant pronounced effect in accordance with their biological properties on enzymatic and microbiological processes in the rumen, intermediate metabolism and resistance of the sheep organism, which characterizes them as i...

Для разработки референтных значений биохимических показателей, характеризующих нормальное течение обменных процессов, исследованы пробы сыворотки крови быков-производителей голштинской породы (n=102), разделенных на 4 группы по возрасту и содержащихся в условиях племпредприятия Московской области. В сыворотке крови определяли концентрацию общего бе...

Objective: This study was aimed at assessing efficiency of the original coniferous energy supplement in the diet of cows at the end of the dry period - beginning of lactation - for improving the energy density of diets, enriching them with vitamins and major and minor nutrient elements, improving milk productivity, and maintaining productive health...

The effect of activated charcoal as a feed additive was assessed in the experiment with Romanov sheep and Romanov sheep breed with argali. Charcoal sorbent is the original preparation produced in “Khiminvest” Science and Technology Center. Activated charcoal supplement was added to the basic diet of experimental animals in an amount of 1 g per 10 k...

Introduction of the allele pool of wild species, in particular, Argali (Ovis ammon polii) into the domestic sheep (Ovis aries) of the modern breeds is one of the promising approaches to enhancing genetic diversity and, consequently, biodiversity and nutrient availability. Study of the processes of digestion, assimilation of nutrient substrates in t...

The research focused on the optimization and stimulation of digestion by using of biologically active substances and their complexes. The task was to study the possibility of optimizing the digestive processes and, consequently, increase the productivity of highly productive ruminants caused by the feeding of mineral shungite. Studies conducted on...

The aim of researches is to develop physiological bases of sheep productivity through improved adaptive capacity of the organism. In comparative aspect the peculiarities of the digestive processes in sheep of different genotypes: the domestic sheep and their hybrids with argali. The experiments were carried out in L. K. Ernst Institute of Animal Hu...