Effects of hormone-induced superovulation on latent infectious bovine rhinotracheitis virus in cattle.

Effects of hormone-induced superovulation on latent infectious bovine rhinotracheitis virus in cattle. Research Abstract Details 

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Effects of hormone-induced superovulation on latent infectious bovine rhinotracheitis virus in cattle. Abstract Text:

B C Chiang,K E Nusbaum,D A Stringfellow,P C Smith,

Twelve nulliparous, sexually mature heifers free of antibodies to infectious bovine rhinotracheitis (IBR) virus were exposed intranasally to Colorado strain IBR virus. After 3 mos, when the postexposure antibody titers had stabilized, the heifers were divided into three groups. Individuals in each group were treated with either saline, dexamethasone or follicle stimulating hormone (FSH) for five consecutive days. Blood samples were taken at predetermined intervals for isolation of virus, and for determination of serum cortisol levels. No changes occurred in the saline-treated group, except that one heifer had a slightly elevated serum neutralizing antibody titer. Recrudescense of typical clinical lesions was observed in the dexamethasone-treated group, and the IBR virus was isolated from nasal swab samples taken from all heifers. In the FSH-treated group, no changes occurred, with the exception of slightly reduced serum cortisol levels. Results indicate that FSH-induced superovulation does not cause reactivation of IBR virus in heifers previously infected by the intranasal route, and has no effect on serum neutralizing anti-IBR virus antibody titers.

Effects of hormone-induced superovulation on latent infectious bovine rhinotracheitis virus in cattle. Publishing Authors By Initials

BC Chiang,KE Nusbaum,DA Stringfellow,PC Smith,

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Effects of hormone-induced superovulation on latent infectious bovine rhinotracheitis virus in cattle. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Theriogenology

VOLUME: 31

Page Numbers: 331-40

Journal Abbreviation: Theriogenology

ISSN: 0093-691X

DAY: 26

MONTH: Feb

YEAR: 1989

Effects of hormone-induced superovulation on latent infectious bovine rhinotracheitis virus in cattle. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Effects of hormone-induced superovulation on latent infectious bovine rhinotracheitis virus in cattle.

AFFILIATION: Department of Pathobiology, College of Veterinary Medicine, Auburn University, AL 36849 USA; Department of Animal Health Research, Alabama Agricultural Experiment Station, Auburn University, AL 36849 USA.

Country: United States

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MEDLINETA: Theriogenology

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