Intranasal vaccines can get past maternal antibodies.

Intranasal vaccines can get past maternal antibodies.

Heather Smith Thomas

Angus Beef Bulletin Extra

Some herds have trouble with summer pneumonia in young calves, and bovine respiratory syncytial virus (BRSV) is the usual culprit. Generally, young calves don’t build much immunity when vaccinated young because of interference from maternal antibodies from colostrum.

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