stshaytest@gmail.com
209-333-3337

9450 E. Collier Rd.
Acampo, CA 95220

Located at S.D. Seifert Hay Sales

HOURS:

Monday - Friday   8:00 AM - 5:00 PM

Saturday & Sunday - Closed

*Please call prior for Saturday testing*

2025 HOLIDAY HOURS:

Thanksgiving: Thursday 11/27 CLOSED

Black Friday: Friday 11/28 CLOSED