document.write('<br><span style="font-size:15px">上一篇</span> <a href=/shtmlnewsfiles/ecomnews/593/2013/201353113523718831.shtml  target="_blank">羊冬季常见内科病的防治</a><br><span style="font-size:15px">下一篇</span> <a href=/shtmlnewsfiles/ecomnews/593/2013/201353113541518747.shtml  target="_blank">如何科学高效给药防控鸡群疾病</a>')