日韩精品极品视频在线观看免费,天天夜碰日日摸日日澡性色AV,精品国产福利在线观看网址,亚洲第一区欧美国产综合

豬繁殖與呼吸道綜合征的綜合防治畢業(yè)論文.doc

約12頁DOC格式手機(jī)打開展開

豬繁殖與呼吸道綜合征的綜合防治畢業(yè)論文,題目·········································································································································Ι摘要及關(guān)鍵詞··············...
編號(hào):10-262043大小:557.50K
分類: 論文>生物/化學(xué)論文

內(nèi)容介紹

此文檔由會(huì)員 xiao6jun6 發(fā)布

題目·········································································································································Ι
摘要及關(guān)鍵詞·························································································································Ι
1.前言······································································································································1
2.病原學(xué)及流行特點(diǎn)··············································································································1
3.病例分析······························································································································1
3.1病例1································································································································1
3.2病例2································································································································1
4.防治措施······························································································································3
4.1應(yīng)急措施···························································································································3
4.2治療方法···························································································································3
5.預(yù)防方法······························································································································3
5.1建立安全的生物體系·······································································································3
5.2科學(xué)免疫···························································································································4
5.3加強(qiáng)飼養(yǎng)管理···················································································································4
5.4藥物預(yù)防···························································································································4
5.5凈化豬群···························································································································5
6討論·······································································································································5
參考文獻(xiàn)··································································································································5
致謝·························································································································..