California Senate Bill 27: Use of Antimicrobial Drugs in Livestock
Senate Bill 27 took effect January 1st, 2018. This was one year after the federal regulations for VFDs and water medications became active.
What is a California Prescription Drug
“A medically important antimicrobial drug intended for use on livestock that is federally labeled for over the counter sale but requires a prescription to be sold in California pursuant to Chapter 4.5 of Division 7 of the Food and Agricultural Code”