Effects of a bovine herpesvirus-1 isolate on reproductive function in heifers: classification as a type-2 (infectious pustular vulvovaginitis) virus by restriction endonuclease analysis of viral DNA. 1988

J M Miller, and M J Van der Maaten, and C A Whetstone
National Animal Disease Center, USDA, Ames, IA 50010.

A bovine herpesvirus-1 (BHV-1) isolate (FI) from an aborted fetus was used to infect 9 heifers at various stages of gestation. Two heifers were inoculated IV on postbreeding day (PBD) 1, 7, or 14, and 3 heifers were inoculated in the sixth month of pregnancy. Plasma progesterone assays were used to monitor corpus luteum function in heifers inoculated during early pregnancy. Low progesterone values and infertility were seen in the 2 heifers inoculated on PBD 1. Luteal function remained normal in heifers inoculated on PBD 7 or 14. These 4 heifers inoculated on PBD 7 or 14 carried their fetuses to term, and their calves were free of BHV-1 infection at birth. Three heifers inoculated during the sixth month of pregnancy also carried their fetuses to term. Two calves were born alive, and BHV-1 was not isolated from nasal swab samples of either calf; the third calf was stillborn. Virus was not isolated from the stillborn calf's tissues, but BHV-1 was isolated from the placenta. Lesions were not detected in several tissues examined by light microscopy, and BHV-1 antigen was not detected by immunohistochemical examination of paraffin sections. Restriction endonuclease analysis of viral DNA was used to compare the FI virus to other BHV-1 isolates (Colorado-1, Iowa, and K22). On the basis of restriction endonuclease analysis, the FI isolate should be classified as a type-2 (infectious pustular vulvovaginitis) virus, specifically subtype a.

UI MeSH Term Description Entries
D007242 Herpesvirus 1, Bovine A species of VARICELLOVIRUS that causes INFECTIOUS BOVINE RHINOTRACHEITIS and other associated syndromes in CATTLE. IBR-IPV Virus,Infectious Bovine Rhinotracheitis Virus,Infectious Pustular Vulvovaginitis Virus,Bovine Herpesvirus 1,Bovine Rhinotracheitis Virus, Infectious,Herpesvirus 1 (alpha), Bovine,Pustular Vulvovaginitis Virus, Infectious,IBR IPV Virus,IBR-IPV Viruses,Virus, IBR-IPV,Viruses, IBR-IPV
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011251 Pregnancy Complications, Infectious The co-occurrence of pregnancy and an INFECTION. The infection may precede or follow FERTILIZATION. Complications, Infectious Pregnancy,Infectious Pregnancy Complications,Maternal Sepsis,Pregnancy, Infectious Complications,Sepsis during Pregnancy,Sepsis in Pregnancy,Infectious Pregnancy Complication,Pregnancy Complication, Infectious,Sepsis in Pregnancies,Sepsis, Maternal
D011374 Progesterone The major progestational steroid that is secreted primarily by the CORPUS LUTEUM and the PLACENTA. Progesterone acts on the UTERUS, the MAMMARY GLANDS and the BRAIN. It is required in EMBRYO IMPLANTATION; PREGNANCY maintenance, and the development of mammary tissue for MILK production. Progesterone, converted from PREGNENOLONE, also serves as an intermediate in the biosynthesis of GONADAL STEROID HORMONES and adrenal CORTICOSTEROIDS. Pregnenedione,Progesterone, (13 alpha,17 alpha)-(+-)-Isomer,Progesterone, (17 alpha)-Isomer,Progesterone, (9 beta,10 alpha)-Isomer
D002417 Cattle Domesticated bovine animals of the genus Bos, usually kept on a farm or ranch and used for the production of meat or dairy products or for heavy labor. Beef Cow,Bos grunniens,Bos indicus,Bos indicus Cattle,Bos taurus,Cow,Cow, Domestic,Dairy Cow,Holstein Cow,Indicine Cattle,Taurine Cattle,Taurus Cattle,Yak,Zebu,Beef Cows,Bos indicus Cattles,Cattle, Bos indicus,Cattle, Indicine,Cattle, Taurine,Cattle, Taurus,Cattles, Bos indicus,Cattles, Indicine,Cattles, Taurine,Cattles, Taurus,Cow, Beef,Cow, Dairy,Cow, Holstein,Cows,Dairy Cows,Domestic Cow,Domestic Cows,Indicine Cattles,Taurine Cattles,Taurus Cattles,Yaks,Zebus
D002418 Cattle Diseases Diseases of domestic cattle of the genus Bos. It includes diseases of cows, yaks, and zebus. Bovine Diseases,Bovine Disease,Cattle Disease,Disease, Bovine,Disease, Cattle,Diseases, Bovine,Diseases, Cattle
D004262 DNA Restriction Enzymes Enzymes that are part of the restriction-modification systems. They catalyze the endonucleolytic cleavage of DNA sequences which lack the species-specific methylation pattern in the host cell's DNA. Cleavage yields random or specific double-stranded fragments with terminal 5'-phosphates. The function of restriction enzymes is to destroy any foreign DNA that invades the host cell. Most have been studied in bacterial systems, but a few have been found in eukaryotic organisms. They are also used as tools for the systematic dissection and mapping of chromosomes, in the determination of base sequences of DNAs, and have made it possible to splice and recombine genes from one organism into the genome of another. EC 3.21.1. Restriction Endonucleases,DNA Restriction Enzyme,Restriction Endonuclease,Endonuclease, Restriction,Endonucleases, Restriction,Enzymes, DNA Restriction,Restriction Enzyme, DNA,Restriction Enzymes, DNA
D004279 DNA, Viral Deoxyribonucleic acid that makes up the genetic material of viruses. Viral DNA
D005260 Female Females
D006566 Herpesviridae Infections Virus diseases caused by the HERPESVIRIDAE. Herpesvirus Infections,B Virus Infection,Infections, Herpesviridae,Infections, Herpesvirus,B Virus Infections,Herpesviridae Infection,Herpesvirus Infection,Infection, B Virus,Infection, Herpesviridae,Infection, Herpesvirus,Infections, B Virus

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