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Publication Epidemiological Investigation and Virus Isolation of Infectious Bovi...  

Update Date: [2013-11-07]

NO.: 25
 
Reportno.

AHRI report No.25

Topic

Epidemiological Investigation and Virus Isolation of Infectious Bovine Rhinotracheitis in Taiwan

Department

Taiwan Animal Health Reseasch Institut

Author Y.S. Uu*MJ. Kwaig;Y.K. Uao;YL LeY. CMuD.F. UniD. Lee
Summary

Infatous Bovine Rhinotiac]ieitis (ER) initially occurred at KaOIIsIWIg In Jun 1986, then, sead to Pingtung and Tainan, Eventually, the disease gradually disarceami. Irs 198?, the cattle were allowed to frnpxt and resulted in an outbreak of the disease again. ER outhoken in 198? caused more &ith cattle to 1± death ami abxtion when ompemi to that csathoken in 1986. It was suggest! that the viruses induced the outbreak of the disease hi 198? were more virulent. Seveit’nirt strains of ER virus were isolat! during thcGe two out1xeal. The distribunon of virus In cgans of infozt! cattle was eamined. lit result showed that virus titers deni from t nasal lesions with uk (1G TCID5CVrnI). tonsil, placen and titheal mucus were higher than these from otlns. lit rnest atJominant ratio of virus isolation was obrained from the nasal discharges (643%), The agar gel tipitaion (AGP) t was made on 3261 serum sampb collett from eacbdiary cattle. The result indicael that 716 of 32blsamples with AGPanti&dy to ER virus wertdettab]e.

Keyword

hxf&tious Bovine Rhinontheitis ;EREpI&mic1ogical Investigation