Article
Outbreak of persistently infected heifer calves with bovine viral diarrhea virus subgenotypes 1b and 1d in a BVDV-vaccinated open dairy herd.
Acta tropica - 1 Jun 2024
Fritzen Juliana Torres Tomazi, Zucoloto Natalia Zaparoli, Lorenzetti Elis, Alfieri Alice Fernandes, Alfieri Amauri Alcindo
Abstract excerpt
Bovine viral diarrhea virus (BVDV) infection has a significant economic impact on beef and dairy industries worldwide. Fetal infection with a non-cytopathic strain may lead to the birth of persistently infected (PI) offspring, which is the main event in the epidemiological chain of BVDV infection. This report describes the birth of 99 BVDV-PI heifer calves within 52 days of birth in a regular BVDV-vaccinated...
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