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山羊尿石症发生过程中尿液晶体、电导率和离子积的动态变化

DOI: 10.7685/j.issn.1000-2030.2008.01.020, PP. 96-101

Keywords: 结石,电导率,离子积,晶体,尿,山羊

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Abstract:

应用棉饼稻草日粮,配合饮水中添加氧化镁的饲喂模式,对6只阉割公山羊诱发尿石症,观察尿石症发生过程中尿液晶体、电导率和磷酸钾镁离子积的动态变化,以探讨其变化规律及在尿石症诊断中的应用价值。试验分4个时期进行,预试结束时为试验Ⅰ期;正式试验的第15~60天为试验Ⅱ期;尿闭发生初期为试验Ⅲ期;尿闭发生后2~5d为试验Ⅳ期。结果表明,试验山羊都发生了尿石症,尿结石和试验Ⅱ期尿沉渣晶体主要由磷酸铵镁和磷酸钾镁组成,试验Ⅳ期晶体主要为磷酸钾镁。试验Ⅱ期尿液中存在数量较多、大小不同的晶体,试验Ⅲ期晶体基本消失,试验Ⅳ期则出现少量小晶体。试验Ⅲ、Ⅳ期尿液电导率和磷酸钾镁离子积都显著低于Ⅰ、Ⅱ期(P<0.05)。提示山羊的磷酸铵(钾)镁结石形成后,尿液的电导率和磷酸钾镁离子积水平降低,尿沉渣晶体减少或消失。

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