Zilmax (zilpaterol hydrochloride) is designed to improve production efficiencies in both steers and heifers during the last 20 days of the feeding period prior to harvest.

Update on Zilmax Five-Step Plan  (November 5, 2014)

Zilmax Information Center
In response to recent questions about Zilmax, please refer to the Zilmax Information Center. It is intended for our customers and interested groups who are involved in animal husbandry and well-being. Read more. 

Important safety information: 
Zilmax has a withdrawal period 3 days prior to slaughter. Not for use in animals intended for breeding. Do not allow horses or other equines access to feed containing zilpaterol. Do not use in veal calves. Not to be fed to cattle in excess of 90 mg zilpaterol/head/day in complete feed. If pen consumption of complete feed exceeds 26.5 lb/head/day (90% dry matter basis), zilpaterol should not be fed in complete feed. For complete safety information, refer to product label.

Material Safety and Data Sheet (MSDS)  

Zilmax Labels