Intervet Discusses Onset ‘Stop Sale’

September 29, 2009 07:00 PM

Dairy Today Editors

Intervet placed a "stop sale” order for its Onset IN vaccine earlier this year after releasing the new vaccine early in 2009.

The "stop sale” order came as a result of a variability issue with the BRSV antigen in the vaccine, but is not a safety concern, says Norman Stewart, manager of Dairy Technical Services for Intervet Schering-Plough Animal Health.

For more detail on Bovine Respiratory Syncytial Virus, follow this link:

"This was not a product recall, but simply a ‘stop sale' because of variability with the BRSV antigen,” he says. "We have had no outbreaks of BRSV in herds vaccinated with Onset and nothing detrimental has been reported from these herds.”

Intervet scientists are working to resolve the issue. "We don't have a timeline for a re-start of sales, but it probably won't be within the next six months,” Stewart says.

For a copy of the letter Intervet-Schering-Plough Animal Health sent to customers, click here.

The letter will also be appearing in October issues of major dairy publications, including Dairy Today.

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