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The study was carried out on 4200 turkey broilers Big 6, from which after a 3-week breeding an experimental group was separated. The group was receiving an addition of bioplex-Cu 0.5g/L of drinking water till the end of the experiment. The haematological and biochemical factors were examined in the 8th week of the turkeys life, in blood taken from the wing vein of 10 randomly chosen birds (5 cocks and 5 hens) from both experimental and control group. In the obtained samples, Ht, total protein level, a-NH2 nitrogen, glucose, and the Cu, Fe, Zn and Ca level were determined. Also, in the bioplex-Cu and in the feeds used, Cu, Fe, Zn and Ca were determined by the spectrophotometry of atom absorption method after dry mineralization. The applied bioplex-Cu statistically significantly increased the haematocrit and glucose level. The addition of Cu also caused an increase in the concentration of this element in the plasma of turkey blood. The significantly increased Cu level did not cause interaction with other components of the feed and did not disturb the Fe, Zn and Ca absorption to the turkey blood.
The aim of this study was to compare some blood biochemical indicators in cows with displacement of abomasum (DA) which recovered or died after treatment. Examinations were performed on 60 multiparous cows with left (L) or right (R) displacement and on 15 healthy herdmates. Diagnosis was made by experienced practitioners on the basis of clinical examination. Surgical treatment was undertaken during the first 24 hours after diagnosis. Almost all animals (55 = 91.5%) became sick in the post parturient period (21 days p.p. on average) with the exception of 5 (8.3%) that became sick later. Blood samples were taken from each cow immediately before surgical procedure. Serum nonesterified fatty acid (NEFA), glucose (Glu), cholesterol (Chol), aspartate aminotransferase (AST), total bilirubin (Bil) and blood urea nitrogen (BUN) were measured. Sick animals were characterized by low mean values of Chol (≤ 2 mmol/l) and normal level of BUN (12-15 mg/dl), higher levels of NEFA (> 600 μmol/l) and Bil (> 22 μmol/l), higher activity of AST (> 100 U/l). Seven cows (11.67%) died after surgical correction and all others recovered. No significant differences in NEFA, Chol, AST, Bil and BUN levels were observed as dependent on the efficacy of treatment (survival, deaths). It was found that cows which died after surgical treatment were characterized by significant higher levels of glucose (5.05 mmol/l) compared to surviving cows (2.93 mmol/l).
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