Clinical Features

Evermann, James F.; Barrington, George M.

doi:10.1002/9780470344453.ch6

Cited by 24 publications

(25 citation statements)

References 57 publications

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“…BVDV and BHV-1 are most important and costly viral pathogens of cattle worldwide [19] that mainly associated with reproductive problems and increased abortion [3,10]. There were no antibody and antigen positive animals for BHV-1 infection ( Table 1).…”

Section: Discussionmentioning

confidence: 99%

“…BVDV is one of the most important viral pathogen agents of cattle and it is distributed worldwide [6]. It has been associated with mucosal disease [7], respiratory disease [8], reproductive failure [9] and fetal infections [10] in cattle populations. The reproductive problems of BVDV infection include abortion, early embryo loss and congenital anomalies [11].…”

Section: Introductionmentioning

confidence: 99%

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Serologic and Virologic Investigation of BHV-1, BVDV and BHV-4 in Cattle with Metritis

Yavru¹

2014

AVS

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Abstract:The purpose of the present study was to evaluate the possible effects of Bovine Herpes virus-1 (BHV-1), Bovine Viral Diarrhea Virus (BVDV), and Bovine Herpes virus-4 (BHV-4) involving metritis in the selected unvaccinated dairy cattle herds in Afyon province of Turkey by serologically and virologically methods. A total of 63 dairy cattle with metritis were sampled in order to investigate the presence of BHV-1, BVDV and BHV-4 infections. The sera samples were tested for presence of antibodies to BHV-1, BVDV and BHV-4 using a commercially available indirect Enzyme Linked Immunosorbent Assay. Leukocyte samples were tested for presence of BVDV viral genome using Reverse Transcription Polymerase Chain Reaction (RT-PCR) and Polymerase Chain Reaction (PCR) for BHV-1 and BHV-4 viral genome. Detectable antibodies were detected in 6 (9.52%) of 63 against BVDV and 51 (80.95%) of 63 against BHV-4. Detectable antibodies were detected against BVDV from 6 (9.52%) of 63 sera samples and BHV-4 from 51 (80.95%) of 63. No antibodies against BHV-1 were detected as well as the results of RT-PCR for BVDV, and PCR for BHV-1 were all negative. Positive PCR results found BHV-4 genome from 8 (12.69%) of 63 leukocyte samples. Presence of BVDV and BHV-4 antibodies in unvaccinated animals indicates that these cattle had contracted infection. In conclusion, BHV-4 infections may play a direct or indirect role in causing bovine metritis; therefore their importance in the etiology of metritis and their economic impact needs further attention.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Serologic and Virologic Investigation of BHV-1, BVDV and BHV-4 in Cattle with Metritis

Yavru¹

2014

AVS

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“…116 Symptomatic infections are most commonly observed in 6-24-month-old cattle following waning of maternal immunity, in colostrum-deprived calves, or in seropositive cattle as a result of infection with a heterologous BVDV strain. 117 Clinical signs in affected animals include pyrexia, lethargy, leukopenia, ocular and nasal discharge, oral erosions and ulcers, blunting of oral papillae, diarrhea, and decreased milk production. More virulent BVDV strains can also cause epithelial erosions at the interdigital spaces, coronary bands, teats, or vulva.…”

Section: Postnatal Infections In Immunocompetent Cattlementioning

confidence: 99%

“…Although BVDV-associated immunosuppression can result in pneumonia, the tachypnea observed in acutely infected animals is likely the result of hyperthermia and other nonpulmonary factors. 117 In the 1990s, severe acute BVD was described in cattle herds in the United States and Canada. 5,113 The outbreaks were characterized by a peracute course and caused unusually high rates of morbidity and mortality in all ages of cattle.…”

Section: Postnatal Infections In Immunocompetent Cattlementioning

confidence: 99%

Infectious Agents

Passler

2014

Bovine Reproduction

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“…2,3 A hemorrhagic syndrome associated with thrombocytopenia has previously only been found with BVDV-2 strains. 3 The current study documents the occurrence of an outbreak of congenital deformities, including brachygnathism, lateterm abortions, and premature births in Holstein heifers from which a BVDV-1b strain was isolated. Infection of calves with this virus resulted in thrombocytopenia.…”

mentioning

confidence: 99%

An Outbreak of Late-Term Abortions, Premature Births, and Congenital Deformities Associated with a Bovine Viral Diarrhea Virus 1 Subtype b that Induces Thrombocytopenia

et al. 2010

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Abstract. Bovine viral diarrhea virus 1 (BVDV-1) subtype b was isolated from premature Holstein calves from a dairy herd that experienced an outbreak of premature births, late-term abortions, brachygnathism, growth retardation, malformations of the brain and cranium, and rare extracranial skeletal malformations in calves born to first-calf heifers. Experimental inoculation of 3 colostrum-deprived calves aged 2-4 months old with this BVDV isolate resulted in thrombocytopenia, lymphopenia, and leukopenia. Outbreaks of brachygnathism are rarely associated with BVDV, and thrombocytopenia is rarely associated with BVDV-1 strains.

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Clinical Features

Cited by 24 publications

References 57 publications

Serologic and Virologic Investigation of BHV-1, BVDV and BHV-4 in Cattle with Metritis

Serologic and Virologic Investigation of BHV-1, BVDV and BHV-4 in Cattle with Metritis

Infectious Agents

An Outbreak of Late-Term Abortions, Premature Births, and Congenital Deformities Associated with a Bovine Viral Diarrhea Virus 1 Subtype b that Induces Thrombocytopenia

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