Cows that received an over-calorie diet in the final phase of lactation are prone to liver lipidosis. The task of our research is to study the dynamics of cholesterol and triglycerides in cows with fatty hepatosis during the transit period. A group of 20 dry cows was formed. In the blood serum of cows, the concentration of cholesterol and triglycerides was studied twice before calving (15–20 days and 5–10 days) and twice after calving (5–10 days and 20–25 days). After research was formed two groups. The first group included 8 cows, which were killed 7–43 days after calving. They had signs of liver lipidosis. The diagnosis of fatty hepatosis was confirmed by the results of a histological examination of the liver. The second group included the remaining 12 cows. At the beginning of the study, the cows of the first and second groups had a cholesterol concentration of 4.06±0.23 and 3.62±0.23 mmol/l, and triglycerides - 0.13±0.01 and 0.11±0.01 mmol/l. Further dynamics of indicators had features in each group. In cows with hepatosis, a gradual decrease in cholesterol to 1.83±0.07 mmol/l was observed. In the second group the indicator was 2.2 times higher (P < 0.01). Before calving, a decrease in the concentration of triglycerides is observed. A more significant decline was detected in cows of the first group—by 61.5% (P < 0.001). In cows of the second group, the index decreased only by 18.2%. After 5–10 days after calving, the concentration of triglycerides in both groups remained low. After 20–25 days in the first group, the index increased 2.3 times (P < 0.01), and in the second—1.25 times. Studies have revealed features of the lipid profile in cows with liver lipidosis.
In the gerodietic nutrition production technology there are a lot of questions that today remain unanswered. The development of recipe compositions that are fully balanced in terms of amino acids, macro- and microelements and vitamins based solely on the internal reserves of raw materials is a difficult task. As a result of our research we suggest the cutlet recipe with vitamins for gerodietic nutrition. The recipe composition includes chickpea flour, vegetables and amino acid additives - Amur grape seed flour. The proposed product meets the established requirements for gerodietic products.
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