Publications by authors named "S Lebedev"
Article Synopsis
- The study analyzed the genetic makeup of Orenburg goats using SNP data from modern and historical samples, revealing that the genetic characteristics from older populations have persisted in current goats.
- Findings indicated low inbreeding rates and maintained genetic diversity, providing a basis for selective breeding and potential conservation strategies through gamete preservation.
Background: The increase in the intensity of agricultural production is associated with the action of various stress factors on the organism of birds, which can lead to negative consequences. Prevention of the development of stress conditions in farm birds, particularly broiler chickens, in industrial production, is the most important task facing scientists and practitioners.
Aim: The objective of this study was to investigate the effect of a combined probiotic preparation and zinc glycinate on the indicators of immunity, biochemical parameters, and antioxidant status.
Article Synopsis
- Diffuse toxic goiter (DTG) is an autoimmune disorder where the body produces antibodies against TSH receptors, often occurring alongside other autoimmune conditions.
- A case study of a 15-year-old patient showed DTG with one-sided ophthalmopathy and functional decline in the musculoskeletal system, emphasizing the impact on dental health as well.
- The report highlights the potential for disease relapse even after treatment, suggesting the need for careful monitoring and possible surgical options, and underscores the importance of early diagnosis by healthcare professionals.
Background And Aim: Modern scientific research focuses on a detailed study of the immune system, the mechanisms of immunosuppression, and the search for an effective means to restore disturbed immune homeostasis in farm animals. The present study examined the cytokine and immunoglobulin (Ig) profiles of healthy broiler chickens during physiological development.
Materials And Methods: Arbor Acres broilers (n = 28) were used in the study to achieve this objective.
We present the first experimental study of plasmoid formation in a magnetic reconnection layer undergoing rapid radiative cooling, a regime relevant to extreme astrophysical plasmas. Two exploding aluminum wire arrays, driven by the Z machine, generate a reconnection layer (S_{L}≈120) in which the cooling rate far exceeds the hydrodynamic transit rate (τ_{hydro}/τ_{cool}>100). The reconnection layer generates a transient burst of >1 keV x-ray emission, consistent with the formation and subsequent rapid cooling of the layer.
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