亚临床低血钙症奶牛血液、乳汁、粪便、尿液指标特征的研究  

Study on the characteristics of the indexes of blood,milk,feces and urine of dairy cows with subclinical hypocalcemia

作　　者：张子扬[1] 杨威[1] 沈泰钰 于洪江[1] 高三思 朱奎玲 黄宝银 徐闯[1] 

机构地区：[1]黑龙江八一农垦大学动物科技学院,黑龙江大庆163319

出　　处：《黑龙江畜牧兽医》2016年第9期5-9,共5页Heilongjiang Animal Science And veterinary Medicine

基　　金："十二五"国家科技支撑计划项目(2013BAD21B01);黑龙江省自然科学基金面上项目(C2015043)

摘　　要：为了探讨亚临床低血钙症奶牛血液、乳汁、粪便、尿液中相关指标的特征,试验选取亚临床低血钙症组和健康对照组奶牛各6头,通过血液、乳汁、粪便、尿液等样品中代谢相关指标的检测,阐明亚临床低血钙奶牛代谢特征。结果表明:在检测到疾病后的试验期间(试验期为4 d),血液指标中亚临床低血钙症组门冬氨酸氨基转移酶(AST)和总胆红素(TBIL)极显著高于健康对照组(P<0.01),肌酐(CREA)含量显著高于健康对照组(P<0.05);碱性磷酸酶(ALP)、总蛋白(TP)、总胆固醇(TC)指标含量均极显著低于健康对照组(P<0.01);β-羟丁酸(BHBA)、游离脂肪酸(NEFA)均高于健康对照组,其中游离脂肪酸(NEFA)极显著高于健康对照组(P<0.01),BHBA显著高于健康对照组(P<0.05),葡萄糖(GLU)浓度显著低于健康对照组(P<0.05);钙(Ca)、磷(P)、镁(Mg)含量均极显著低于健康对照组(P<0.01)。乳汁指标中,亚临床低血钙症组乳脂率、乳蛋白、干物质均显著高于健康对照组(P<0.05)。粪便指标中,亚临床低血钙症组酸性洗涤纤维显著低于健康对照组(P<0.05)。尿液指标中亚临床低血钙症组镁离子含量显著低于健康对照组(P<0.05),尿蛋白含量显著高于健康对照组(P<0.05)。说明亚临床低血钙症奶牛试验期间表现为能量负平衡,肝功能异常,矿物质代谢紊乱,但肠道消化吸收功能正常,肾功能障碍。To investigate the characteristics of related indexes of the blood, milk, feces and urine from dairy cows with subclinical hypocalce- mia, each s^x dairy cows from subclinical hypocalcemia group and healthy control group were selected in the test. By detecting the blood, breast milk, feces, urine and other samples metabolism - related indicators to clarify metabolic characteristics of dairy cows with subclinical hypocalce- mia were clarified through the detection of metabolism - related indexes of the samples of blood, milk, feces and urine. The results showed that during the experiment after the disease was detected （experiment period of 4 days） the contents of alanine transaminase （AST） and total biliro- bin （TBIL） in the blood indexes of subclinical hypocalcemia group were extremely significantly higher （ P 〈 0. 01 ） than those in the healthy group, and the content of creatinine （CREA） in the subclinical hypecalcemia group was significantly higher （ P 〈 0.05 ） than that in the healthy group; the contents of alkaline phosphatase （ALP）, total protein （TP）, total cholesterol （TC） in the subclinical hypocalcemia group were extremely significantly lower （P 〈0.01 ） than those in the healthy group; the concentrations of beta- hydroxybutyric acid （BHBA） and non - esterified fatty acid （NEFA） in the subclinical hypocalcemia group were higher than those in the healthy group, and the concentrations of NEFA and BHBA were extremely significantly higher （ P 〈 0.01 ） or significantly higher （ P 〈 0.05 ） than those in the healthy group, respec- tively, and the glucose （GLU） concentration was significantly lower （ P 〈 0.05 ） than that in the healthy group ; the contents of calcium （ Ca）, phosphate （P） and magnesium （Mg） in the subclinical hypocalcemia group were extremely significantly lower （P 〈 0.01 ） than those in the healthy group. The milk fat rate, milk protein and dry matter in the milk indexes in the subclinical hypocalcemia g

关 键 词：奶牛 低血钙症 血液 乳汁 粪便 尿液 

分 类 号：S858.23[农业科学—临床兽医学] S854.43[农业科学—兽医学]