1
|
Moeller RB, Crossley B, Adaska JM, Hsia G, Kahn R, Blanchard PC. Parapoxviral vulvovaginitis in Holstein cows. J Vet Diagn Invest 2018; 30:464-467. [PMID: 29429402 DOI: 10.1177/1040638718758829] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
A group of Holstein first-calved heifers developed small pustules and ulcers on the vulva and in the vagina during the first 1-4 wk postpartum. The lesions varied from small red pinpoint foci to pustules and ulcers, 3-5 mm diameter. Some ulcers coalesced to form large ulcerated areas up to 15 mm diameter. In some animals, these ulcers progressed to become deep ulceration of the vaginal and vulvar mucosa with >50% of the mucosa involved. Vaginal biopsies from 4 heifers and vaginal individual swabs from 8 heifers for a combined sampling of 9 heifers were taken for clinical assessment. Six of the 9 heifers had parapoxvirus based on histopathology and/or PCR. Histologic examination of the biopsies of the pustules identified ballooning degeneration of the epithelium with degenerate epithelium containing eosinophilic intracytoplasmic inclusions consistent with a parapoxvirus in 3 of 4 biopsies. Testing for bovine herpesvirus 1, 2, and 4, bovine viral diarrhea virus, bovine papular stomatitis virus, and orf virus remained negative.
Collapse
Affiliation(s)
- Robert B Moeller
- California Animal Health and Food Safety Laboratory, Tulare Laboratory (Moeller, Adaska, Blanchard), School of Veterinary Medicine, University of California, Davis, CA.,Davis Laboratory (Crossley), School of Veterinary Medicine, University of California, Davis, CA.,All Creatures Veterinary Clinic, Fresno, CA (Hsia, Kahn)
| | - Beate Crossley
- California Animal Health and Food Safety Laboratory, Tulare Laboratory (Moeller, Adaska, Blanchard), School of Veterinary Medicine, University of California, Davis, CA.,Davis Laboratory (Crossley), School of Veterinary Medicine, University of California, Davis, CA.,All Creatures Veterinary Clinic, Fresno, CA (Hsia, Kahn)
| | - John M Adaska
- California Animal Health and Food Safety Laboratory, Tulare Laboratory (Moeller, Adaska, Blanchard), School of Veterinary Medicine, University of California, Davis, CA.,Davis Laboratory (Crossley), School of Veterinary Medicine, University of California, Davis, CA.,All Creatures Veterinary Clinic, Fresno, CA (Hsia, Kahn)
| | - Gary Hsia
- California Animal Health and Food Safety Laboratory, Tulare Laboratory (Moeller, Adaska, Blanchard), School of Veterinary Medicine, University of California, Davis, CA.,Davis Laboratory (Crossley), School of Veterinary Medicine, University of California, Davis, CA.,All Creatures Veterinary Clinic, Fresno, CA (Hsia, Kahn)
| | - Richard Kahn
- California Animal Health and Food Safety Laboratory, Tulare Laboratory (Moeller, Adaska, Blanchard), School of Veterinary Medicine, University of California, Davis, CA.,Davis Laboratory (Crossley), School of Veterinary Medicine, University of California, Davis, CA.,All Creatures Veterinary Clinic, Fresno, CA (Hsia, Kahn)
| | - Patricia C Blanchard
- California Animal Health and Food Safety Laboratory, Tulare Laboratory (Moeller, Adaska, Blanchard), School of Veterinary Medicine, University of California, Davis, CA.,Davis Laboratory (Crossley), School of Veterinary Medicine, University of California, Davis, CA.,All Creatures Veterinary Clinic, Fresno, CA (Hsia, Kahn)
| |
Collapse
|