红岩草提取物对隐性乳房炎奶牛乳酶的影响、疗效及安全性评价

Abstract

Abstract: The 36 subclinical mastitis dairy cows of 600 kg weight and 1 to 3 parity were selected for the experiment,and randomly distributed equally into control group and test group. The test group dairy cows were taking 200 g of extract of saxifrage daily. Results showed that enzyme activity of myeloperoxidase enzyme (MPO), lactate dehydrogenase (LDH), lactoperoxidase (LP) and N-acetyl-B-amino-glucosidase (NAG) in the test group 7 and 14 d were significantly lower than the control group(P<0.01); CMT assay showed that the cure rates of test group 7 and 14 d were 55.56% and 77.78%, respectively; drug safety evaluation showed that using the extract of saxifrage had not cause changes in liver and kidney function indicators in test group 7 and 14 d, it indicated that the extract of saxifrage could be used in veterinary clinic safely.

Key words: subclinical mastitis; cow; extract of saxifrage; milk enzyme; safety evaluation

CLC Number:

S858.23

LIU Yan-xin, LI Wan-tao, LIU Dong-mei, LIU Xue-fang, ZHANG Zhong-yun, ZHANG Zhen-qiang, LIU Wen-di. Activity of Milk Enzyme,Curative Effect and Safety Evaluation of Using the Extract of Saxifrage in Subclinical Mastitis Dairy Cows[J]. , 2013, 40(6): 165-168.

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Activity of Milk Enzyme,Curative Effect and Safety Evaluation of Using the Extract of Saxifrage in Subclinical Mastitis Dairy Cows

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