Factors associated with in utero or periparturient transmission of bovine leukemia virus in calves on a California dairy
- PMID: 1653640
- PMCID: PMC1263462
Factors associated with in utero or periparturient transmission of bovine leukemia virus in calves on a California dairy
Abstract
A three-year prospective study involving 143 calves born from infected cows was undertaken on a California dairy to evaluate possible factors of the dam associated with bovine leukemia virus infection in utero or during the periparturient period. In utero or periparturient infection occurred at a rate of 4.8% and was more likely in calves born to cows with an average peripheral blood lymphocyte count during pregnancy greater than 12,000 cells/microL (p = 0.043) or in calves born to cows that developed malignant lymphoma (p = 0.00004), but not in calves born to cows with p-24 antibodies (p = 0.675).
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