Purdue Pork Page Archive

Sow Abortion and Mortality Syndrome

What is it?

The cause has not been confirmed, but it is thought that it is a new strain of PRRS virus. Signs in affected herds are similar to those observed in the very first PRRS outbreaks.

How many cases have been reported?

35 suspected cases of SAMS have been reported.

What states has it been reported in?

Iowa, Illinois, Nebraska, Colorado, Missouri, North Carolina, Minnesota

What are the signs?

Will my herd be protected if I am already vaccinating for PRRS?

Many cases reported to date were in herds vaccinated for PRRS. Some of these herds had experienced clinical PRRS infection in the past.

What should you do if you suspect SAMS in your herd?

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