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Haematological and blood biochemical alterations associated with respiratory disease in calves

机译:犊牛呼吸系统疾病的血液和血液生化改变

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Respiratory diseases of cattle, particularly in young animals, represent the most important health and economic problem of cattle rearing. The aim of the present study was to evaluate the changes of selected blood indices in 25 calves aged 2-9 months suffering from etiologically undifferentiated chronic respiratory diseases. Blood samples were analysed for haematological indices and selected serum biochemistry variables. The results found in sick animals were compared with results from 25 healthy animals of the same age, housing and feeding system. Significant differences in means between the groups of clinically healthy and sick calves were found in 13 out of 24 evaluated indicators. In sick animals we found significantly higher mean concentrations of haemoglobin and total number of white blood cells (P < 0.05 and P < 0.01, respectively), as well as higher mean activity of AST and LDH (P < 0.01), concentrations of total proteins and total immunoglobulins (P < 0.001). Significantly lower mean values were recorded in the serum concentrations of albumin, creatinine and glucose (P < 0.001), as well as in the concentration of Mg (P < 0.01), P (P < 0.001), Fe and Zn (P < 0.05). The presented results suggest the effect of respiratory diseases in calves on several changes of haematological and selected serum biochemical indicators. They indicate that respiratory diseases did not lead only to direct disturbance of gas exchange and acid-base balance, but they also indirectly affect some other variables of blood biochemistry.
机译:牛的呼吸系统疾病,尤其是年幼动物的呼吸系统疾病,是牛饲养中最重要的健康和经济问题。本研究的目的是评估2-9个月的病原学上未分化的慢性呼吸道疾病的25头小牛的血液指标变化。分析血液样品的血液学指标和选择的血清生化变量。将在患病动物中发现的结果与来自相同年龄,住房和喂养系统的25只健康动物的结果进行了比较。在24个评估指标中,有13个在临床健康和生病犊牛之间均值存在显着差异。在患病动物中,我们发现血红蛋白和白细胞总数的平均浓度显着较高(分别为P <0.05和P <0.01),以及AST和LDH的平均活性较高(P <0.01),总蛋白浓度和总免疫球蛋白(P <0.001)。血清白蛋白,肌酐和葡萄糖浓度(P <0.001)以及Mg(P <0.01),P(P <0.001),Fe和Zn(P <0.05)的平均值均显着降低)。提出的结果表明犊牛呼吸系统疾病对血液学和选定的血清生化指标的几种变化的影响。他们表明,呼吸系统疾病不仅导致直接的气体交换和酸碱平衡紊乱,而且还间接影响血液生化的其他一些变量。

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