畜牧人
標(biāo)題:
牛皰疹乳頭炎(潰瘍性乳頭炎)
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作者:
ann
時間:
2008-10-4 21:25
標(biāo)題:
牛皰疹乳頭炎(潰瘍性乳頭炎)
牛皰疹乳頭炎(潰瘍性乳頭炎)
Bovine Herpes Mammillitis (Ulcerative mammillitis)
德洪特博士供稿
Prepared by: Dr. Terry Hunt
Translated by: Maria Mai
病因
/
發(fā)病機(jī)理
Cause & Pathogenesis
牛皰疹病毒
Bovine Herpes virus 2
家畜皮膚感染性疾病
Contagious skin disease of cattle
乳頭皮膚嚴(yán)重潰瘍
Severe ulceration of teat skin
發(fā)病率高但不會造成死亡
High morbidity but no mortality
可產(chǎn)生免疫性
Develop immunity
危險因素
Risk Factors
外來帶病牛
Introduced carrier cows
昆蟲
Insects
臨床癥狀
Clinical Findings
·
潛伏期:
5 –10
天
Incubation period of 5-10 days
·
初發(fā)于新產(chǎn)牛,逐漸蔓延到全群
Starts in freshly calved cows then spreads through herd
初產(chǎn)牛發(fā)病最嚴(yán)重
Most severe in fresh cows
急性、乳頭腫脹、觸痛
Acute, swollen tender teats
最初由水皰導(dǎo)致脫皮,進(jìn)而形成嚴(yán)重潰瘍
Vesicles formed then slough and form severe ulcers
·
形成深褐色或黑色結(jié)痂,然后可能開裂
Forms dark brown or black scabs that may crack
會感染乳頭管
May involve the teat canal
造成減產(chǎn)
Decreased milk production
增加乳房炎發(fā)病率
Increased incidence of mastitis
約
3-4
個月可痊愈
May take 3-4 months to heal
診斷
Diagnosis
有過病史和臨床癥狀
History and clinical signs
作者:
jlc_ne
時間:
2008-11-5 11:00
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