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畜牧人
標題:
支原體乳房炎Mycoplasma Mastitis
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作者:
ann
時間:
2008-10-4 21:28
標題:
支原體乳房炎Mycoplasma Mastitis
支原體乳房炎
Mycoplasma Mastitis
Prepared by: Dr. Terry Hunt
Translated by Dr. Ren Xiaoling
病因
/
發病機理
Cause & Pathogenesis
在泌乳牛中引起急性高度傳染性乳房炎
Cause of acute highly contagious mastitis in dairy cows
快速傳播至牛的各個住處（？）和關節（全身階段）
Rapidly spreads to all quarters and joints of cows (Systemic phase)
將會從感染的牛奶傳染給牛犢引起肺炎和關節炎
Will spread to calves from infected milk causing pneumonia and arthritis
危險因素
Risk Factors
牛群中引進攜帶病原的牛只
Introduction of carrier cows into herd
使用普通乳房炎的注射器
Use of common mastitis syringe tube
臨床癥狀
Clinical Findings
可能爆炸性爆發
May be explosive outbreaks
引起嚴重乳房炎—牛奶呈黃褐色至棕色水樣，有可以浮動的沙樣絮片
Causes severe mastitis – milk watery tan-brown with sandy flakes that float
仍有食欲
Cows continue to eat
治療無效
No response to treatment
用標準的方法培養牛奶陰性
Negative milk cultures using standard methods
診斷
Diagnosis
牛群爆發涉及多數地方
Herd outbreak involving multiple quarters
治療無效
No response to treatment
可涉及關節
May involve joints
特殊的牛奶培養技術
Special milk culture techniques
鑒別診斷
Differential Diagnosis
其他原因引起的乳房炎
Other causes of mastitis
實驗室和病理學診斷
Laboratory and Pathology
要求培養支原體的特殊技術
Requires special techniques to culture Mycoplasma
治療
Treatment
對治療無效
Do not respond to treatment
預后情況
Prognosis
牛只通常不死，但被淘汰
Cows do not usually die but are culled
后遺癥
Sequelae
無反應性的乳房炎
Non-responsive mastitis
關節炎、跛行
Arthritis & lameness
預防
Prevention & Control
對所有牛只做系列培養，陽性淘汰
Serial culture all cows and cull
治療乳房炎時，單獨應用注射器
Use individual tubes for treating mastitis
不要給牛犢喂已感染的牛奶
Do not feed infected milk to calves
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