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Predictive value of plasma parameters in the risk of postpartum ketosis in dairy cows

机译：奶牛产后睾丸病风险中血浆参数的预测值

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摘要

Introduction: The predictive value of selected parameters in the risk of ketosis and fatty liver in dairy cows was determined. Material and Methods: In total, 21 control and 17 ketotic Holstein Friesian cows with a beta-hydroxybutyrate (BHBA) concentration of 1.20 mmol/L as a cut-off point were selected. The risk prediction thresholds for ketosis were determined by receiver operating characteristic (ROC) curve analysis. Results: In the ketosis group, paraoxonase-1 (PON-1) activity and concentration of PON-1 and glucose (GLU) were decreased, and aminotransferase (AST) activity as well as BHBA and non-esterified fatty acid (NEFA) contents were increased. The plasma activity and concentration of PON-1 were significantly positively correlated with the level of plasma GLU. The plasma activity and concentration of PON-1 were significantly negatively correlated with the levels of AST and BHBA. According to ROC curve analysis, warning indexes of ketosis were: plasma PON-1 concentration of 46.79 nmol/L, GLU concentration of 3.04 mmol/L, AST concentration of 100 U/L, and NEFA concentration of 0.82 mmol/L. Conclusion: This study showed that the levels of PON-1, GLU, AST, and NEFA could be used as indicators to predict the risk of ketosis in dairy cows.
机译：介绍：确定乳制奶牛血红素和脂肪肝风险中所选参数的预测值。材料和方法：选择总，21个对照和17个酮荷斯坦·奶牛，其具有1.20mmol / L的β-羟基丁酸酯（BHBA）浓度为截止点。通过接收器操作特征（ROC）曲线分析来确定刺激的风险预测阈值。结果：在睾丸组中，对氧化酶-1（PON-1）活性和PON-1和葡萄糖（GLU）的浓度降低，并且氨基转移酶（AST）活性以及BHBA和非酯化脂肪酸（NEFA）含量增加了。 PON-1的血浆活性和浓度与等离子体GLU的水平显着呈正相关。 PON-1的血浆活性和浓度与AST和BHBA的水平显着呈负相关。根据ROC曲线分析，警告刺激率为：等离子体PON-1浓度为46.79 nmol / L，Glu浓度为3.04mmol / L，AST浓度为100u / l，NeFA浓度为0.82mmol / L.结论：本研究表明，PON-1，GLU，AST和NEFA的水平可用作预测奶牛中睾丸病风险的指标。

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  • 来源
    《Journal of Veterinary Research》 |2017年第1期|共5页
  • 作者

    Cao Yu; Zhang Jiang; Yang Wei; Xia Cheng; Zhang Hong-You; Wang Yan-Hui; Xu Chuang;

  • 作者单位

    Heilongjiang Bayi Agr Univ Dept Coll Anim Sci &

    Vet Med Daqing 163319 Peoples R China;

    Heilongjiang Bayi Agr Univ Dept Coll Anim Sci &

    Vet Med Daqing 163319 Peoples R China;

    Heilongjiang Bayi Agr Univ Dept Coll Anim Sci &

    Vet Med Daqing 163319 Peoples R China;

    Heilongjiang Bayi Agr Univ Dept Coll Anim Sci &

    Vet Med Daqing 163319 Peoples R China;

    Heilongjiang Bayi Agr Univ Dept Coll Anim Sci &

    Vet Med Daqing 163319 Peoples R China;

    Heilongjiang Bayi Agr Univ Dept Coll Anim Sci &

    Vet Med Daqing 163319 Peoples R China;

    Heilongjiang Bayi Agr Univ Dept Coll Anim Sci &

    Vet Med Daqing 163319 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 动物医学（兽医学）;
  • 关键词

    dairy cow; ketosis; plasma parameters; predictive value;

    机译：奶牛;酮症;等离子体参数;预测值;

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