Special Report

Beta-agonist concerns were well known

Tyson’s move to suspend purchases of cattle fed the beta-agonist growth promotant Zilmax dominated the hallway discussions Thursday at the Cattle Industry Summer Conference in Denver.

But while the timing of the announcement seemed to catch many off-guard, it was not a total surprise.  Concern over the possible side-effects of Zilmax has been growing in recent months.  In fact, the National Cattlemen’s Beef Association has had a group of experts called the Beta-Agonist Technical Group investigating the issue for the past couple of years.

Brownfield talked to Bo Reagan, senior vice-president of research, education and innovation for NCBA, who has headed up that effort.

AUDIO: Bo Reagan (7:55 MP3)

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