河南省奶牛乳房炎发病现状调查

摘 要：为了解河南省奶牛乳房炎的发病现状， 采用现场诊断和试剂检测等调查方法，于2009年4月份、8月份和12月份分别对河南省豫东、豫西、豫南、豫北及郑州市五地区的87个奶牛场24257头泌乳期奶牛进行了乳房炎发病情况调查。结果表明，河南省奶牛乳房炎总发生率为70.66%，其中临床型乳房炎的平均发生率为7.18%，隐性乳房炎的平均发生率为63.48%，两者之比为为1:8.84；郑州地区乳房炎发生率最高，为74.13%；河南省奶牛乳房炎在8月份发生率最高，为82.25%；4胎以上奶牛乳房炎患病率显著高于1～2胎奶牛患病率（P﹤0.05），不同泌乳阶段奶牛临床型乳房炎和隐性乳房炎发生率差异显著（P﹤0.05 ）。结果提示，河南省奶牛乳房炎发生率较高，和不同管理水平、季节、胎次、不同泌乳阶段有密切的关系。

Investigation of Disease Status on Cow Mastitis in Henan Province

To understand disease status on cow mastitis in Henan province, taking on-site diagnostic and reagents testing methods, the disease status on cow mastitis five areas of Henan Province east, west, south, north, and Zhengzhou City in 2009 of April , August and December were investigated, The results show that, the overall incidence of cow mastitis in Henan Province was 70.66% , the average rate of clinical mastitis incidence was 7.18%, and subclinical mastitis was 63.48%, ratio of clinical mastitis and subclinical Mastitis is 1：8.84; Zhengzhou region has the highest rate of mastitis 74.13%; Henan cow mastitis the highest incidence in August , was 82.25%; More than 4 fetal cow mastitis prevalence was significantly higher than 1 to 2 fetal cow prevalence （P 0.05） ; Lactating cows in different stages of clinical mastitis and the incidence of subclinical mastitis significantly different （P0.05）. The incidence of clinical mastitis and subclinical mastitis in different stages of lactating ,significantly different （P 0.05）. The results suggest that Henan cow mastitis incidence is high, different management levels, season, parity, and different lactation stages with incidence are closely related.