The results of clinical and orthopedic examination of highly productive loose cows in the agricultural organization of Sverdlovsk region are presented in the article. Due to the high percentage of pathology of the musculoskeletal system in animals, this farm was selected. As a result of the study, violations of veterinary sanitary norms of maintenance and technological violations in animal feeding were found. On average, more than 40.0% of animals recorded clinical signs of pathology of the musculoskeletal system. Biochemical studies of urine and blood serum were performed to determine the metabolic characteristics of the blood of animals with orthopedic pathology. Hypostenuria was established in 41.7% of the examined cows according to the results of a biochemical study of urine. This indicates a lack of the required level of dry matter consumption. In 31.3% of cows, manifestations of metabolic disorders were recorded (a decrease in total protein and albumin, an increase in urea in the blood serum). In 25.0% of animals revealed the presence of intoxication syndrome - an increase in the activity of indicator liver enzymes (aspartate aminotransferase and glutamate dehydrogenase). Signs of development of osteodystrophic processes (a decrease in total calcium with an increase in alkaline phosphatase activity) were noted in more than 30.0% of cows.

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Treatment of cancer patients remains a serious medical problem and the development of alternative treatment strategies is therefore of great importance. In this connection, we developed a new bacterial-based, anticancer method. Ten cancer patients (three males, seven females) were involved in this study. Bacterial suspension of stationary phase Bacillus oligonitrophilus KU-1 was used as a remedy for peroral administration. In five patients, side effects (sicchasia, slight blood, and intracranial pressure gain) were detected, but all patients showed significant delay of lethal outcome without serious side effects. In conclusion, the suggested method was, in our opinion, a good alternative to conventional chemo- and radiotherapy techniques. In order to evaluate its efficiency for various tumors, a double-blind, placebo-controlled, multicenter study is needed.

In the article, the authors presented information on the effect of heat stress on cows in the dry and postpartum periods. The study aims to study clinical and metabolic manifestations of heat stress in dry and fresh cows. The object of the study is cows of the early and late dry periods and new calves. The authors assessed the parameters of the microclimate of livestock premises, clinical examination of cattle, and blood sampling for hematological and biochemical studies. The authors also calculated the leukocyte index of intoxication, the shift index of blood leukocytes, and the lymphocytic index. Animals were found to have worsened general conditions, weakness, and reduced feed intake during the medical examination. An increase in body temperature (39.42±0.55 °C), tachypnea (86.45±8.04 resp.), and tachycardia (127.65±3.66 bpm) were also revealed. A hematological study revealed a decrease in the absolute number of lymphocytes and a shift in the indicators of the leukocyte formula. According to the results of the assessment of the lymphocytic index in cows during the dry period, the ratio of humoral and cellular immunity was balanced, and in new calves, an imbalance was observed. Biochemical screening of the blood serum of cows under conditions of heat stress showed significant changes in the metabolic profile against the background of a general decrease in feed intake. The content of total protein and globulins in the blood serum in the first days after calving was 68.36±3.48 (p≤0.01) and 35.36±3.89 g/l (p≤0.01), which is 16 .0 and 33.0% lower than in cows of the early dry period. Glucose and cholesterol levels progressively decreased after starting, reaching a minimum in the postpartum period (glucose - 3.14±0.59, total cholesterol - 2.18±0.55 mmol/l (p≤0.01)). The content of urea in the blood of animals increased significantly, reaching a maximum in the first days after calving - 7.44±1.48 mmol/l (p≤0.01). The authors also found an increase in the content of total bilirubin, aspartate aminotransferase, and creatine phosphokinase. Thus, heat stress leads to changes in the clinical and metabolic status of highly productive cows.