THE INFLUENCE OF A DIETARY Enterococcus faecium STRAIN-BASED ADDITIVE ON THE TAXONOMIC AND FUNCTIONAL CHARACTERISTICS OF THE RUMEN MICROBIOTA OF LACTATING COWS

Yildirim, Elena; Biotrof, SC

doi:10.15389/agrobiology.2020.6.1204eng

S-h. biol.

2020

DOI: 10.15389/agrobiology.2020.6.1204eng

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THE INFLUENCE OF A DIETARY Enterococcus faecium STRAIN-BASED ADDITIVE ON THE TAXONOMIC AND FUNCTIONAL CHARACTERISTICS OF THE RUMEN MICROBIOTA OF LACTATING COWS

Elena Yildirim¹,

SC Biotrof²

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Cited by 2 publications

References 55 publications

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The bacterial microbiota of the gastrointestinal tract of dairy cattle: structure, functions, importance (review)

Lihodeevsky,

Bogatova,

Lihodeevskaya

2024

Аграрная наука Евро-Северо-Востока

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The review presents the generalized material of experimental studies and review works (114 sources, including 110 foreign) on studying the composition of bacterial microbiota of the gastrointestinal tract in cattle depending on age, clinical condition of animals and level of productivity, shows the influence of the functional activity of microbiota on the formation and development of the organism. The microbiota affects the health and productive qualities of dairy cattle. The bacterial community of the gastrointestinal tract plays a crucial role in the digestive system. This complex system with feedback, where on the one hand, the microbiota is influenced by the genotype of the host, feed base, living conditions, breeding methods, and drugs used, and on the other hand, the microbiota primarily affects plastic and energy metabolism, but also indirectly affects respiratory, urinary, central nervous, and immune systems of the body. Bacterial diversity is laid down during the fetal period, undergoes significant changes during calf growth, and remains stable throughout life, adapting to changing conditions. Modern studies of gastrointestinal diseases are increasingly focusing on the composition of the microbial community, pointing to the dangers of antibiotic use and the need for a transition to probiotic and prebiotic therapy. Productive qualities of cows, such as milk yield and fat and protein content, also depend on the composition of the microbiota.

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The bacterial microbiota of the gastrointestinal tract of dairy cattle: structure, functions, importance (review)

Lihodeevsky,

Bogatova,

Lihodeevskaya

2024

Аграрная наука Евро-Северо-Востока

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The effectiveness of the association of probiotics in the diets of sheep

Bogolyubova

2022

Agrarnaâ nauka

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Relevance. Of scientific interest are studies on the physiological effect of the association of probiotic strains of microorganisms for their subsequent use by ruminants in order to increase productivity due to increasing the adaptive capabilities of the body.Methods. To study the effect of feeding the association of probiotics in loose and granular species, physiological experiments were conducted on animals with chronic rumen fistulas, with the study of the characteristics of consumption and digestibility of feed nutrients, nitrogen balance, indicators of scar digestion, microbiota of the large intestine, features of metabolic processes in the body and indicators of natural resistance according to generally accepted modern research methods.Results. The positive effect of feeding the association of probiotics at dosage7 g/head/day in bulk and in mini-granules on feed consumption, digestibilitywas revealed, with an increase in the amount of compound nutrients and an increase in digestibility coefficients, as well as nitrogen retention. Higher levels of mass formation of bacteria, protozoa, their amounts both before and after feeding, with a higher concentration of volatile fatty acids, amylolytic activity were found in the scar content. In microbiological studies of fecesunder the influence of the probiotic association, higher levels of lactobacilli, bifidobacteria were found, with a lower level of lactose-positive non-pathogenic microorganisms belonging to the Escherichia coli group of pathogenic molds, enterococci. The improvement of carbohydrate-fat and protein metabolism, as well as hematological parameters of blood in the body of animals receiving probiotic strains was found. The data obtained indicate the expediency of using probiotic associations in ruminants to improve metabolic processes in the body as a basis for increasing productivity and to improve adaptive capabilities.

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THE INFLUENCE OF A DIETARY Enterococcus faecium STRAIN-BASED ADDITIVE ON THE TAXONOMIC AND FUNCTIONAL CHARACTERISTICS OF THE RUMEN MICROBIOTA OF LACTATING COWS

Cited by 2 publications

References 55 publications

The bacterial microbiota of the gastrointestinal tract of dairy cattle: structure, functions, importance (review)

The bacterial microbiota of the gastrointestinal tract of dairy cattle: structure, functions, importance (review)

The effectiveness of the association of probiotics in the diets of sheep

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