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EN
The 3-factorial study was designed to determine the effects of 5-week dietary supplementation with fructans (inulin or oligofructose, 5% or 10%) as well as a chromium(III) propionate complex (0.3 or 5 mg Cr/kg diet) on blood glucose and insulin, as well as β-oxidation of fatty acids in lymphocytes of STZ induced type 1 diabetic Wistar rats. Dietary inulin supplementation was more efficient in improving blood biochemistry vs. oligofructose. A high-fructan diet significantly lowered blood glucose, insulin resistance index (HOMA-R), and increased β-oxidation of fatty acids in lymphocytes of rats vs. low-fructan diet. Supplementary Cr(III) significantly decreased blood glucose, HOMA-R index and increased β-oxidation activity in lymphocytes of hyperglycemic rats. Moreover, many interaction effects between experimental factors influencing blood biochemical indices were found. The results suggest that dietary fructans and chromium(III) supplementation exerted beneficial effects on glucose and lipid metabolism, increasing the efficiency of their utilization in type 1 diabetic rats.
EN
The paper presents investigations of the relationship between the biochemical parameters and vital signs in dairy cows. We analyzed the welfare and functioning of a dairy herd using biochemical parameters and vital signs. Life and biochemical parameters were examined. In the model indicators useful for monitoring the herd are: the age of the cows, the number of cows’ lactating, daily amount of received milk, length of lactation period for cows in the herd, the length of inter-calving period for cows, the number of days to effective insemination, the amount of protein in the feed, the level of β-oxidation in leucocytes, glucose transport through red blood cells and plasma insulin. Based on the results the mathematical model was designed allowing the presentation of a cybernetic model of cow’s organism. There was constructed a multi-equation model which determined the relationships between the selected variables describing the state of dairy cows in the herd and variables that characterize their welfare with its statistical verification.
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