Delayed versus on arrival modified live viral vaccination in stocker cattle on bovine respiratory disease

Ashlee Ambs, Heather K. Moberly, Sarah Capik

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

PICO question In auction market calves at high risk of developing bovine respiratory disease (BRD), does delayed (14–30 days) vaccination with a modified live vaccine (MLV) for viral respiratory pathogens versus administration of MLV on arrival (within 24 hours of arrival) to the stocker operation, result in less calves with BRD morbidity diagnosed based on visual signs and rectal temperature >40°C, or less calves with BRD mortality? Clinical bottom line Category of research question Treatment The number and type of study designs reviewed Four papers were critically reviewed. All were randomised complete block designs Strength of evidence Moderate Outcomes reported In stocker calves, delaying administration of a MLV for respiratory viruses may result in numerically lower initial BRD morbidity rates, while giving at arrival may result in numerically lower BRD retreatments. One study shows statistically lower cases of BRD morbidity after the third antimicrobial treatment in cattle vaccinated on arrival with both a clostridial and MLV for respiratory viruses compared to cattle vaccinated on arrival with clostridial vaccine and delayed MLV for respiratory viruses.

Original languageEnglish (US)
JournalVeterinary Evidence
Volume7
Issue number1
DOIs
StatePublished - Jan 2022

All Science Journal Classification (ASJC) codes

  • General Veterinary

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