Levels of neutralizing antibodies against resident farm strain or vaccine strain are not indicators of protection against PRRSV-1 vertical transmission under farm conditions
Abstract Background Vertical transmission is key for the maintenance of porcine reproductive and respiratory syndrome virus (PRRSV) infection. In vaccinated farms, vertical transmission can still occur despite sows having some level of immunity because of repeated vaccination or contact with the wil...
Main Authors: | , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2023-10-01
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Series: | BMC Veterinary Research |
Subjects: | |
Online Access: | https://doi.org/10.1186/s12917-023-03785-z |