# COMAR Title 15 — Maryland Department of Agriculture

## Subtitle 01 — Office of the Secretary

### Chapter 15 — Use of Antimicrobial Drugs

#### Regulation .04 Applicability.

*COMAR 15.01.15.04*

Except as otherwise provided in federal law or regulation, this chapter does not apply to antimicrobial use in:

A. Cattle on a farm operation that sells fewer than 200 cattle per year;

B. Dairy cattle on a farm operation with a herd size of fewer than 300 dairy cattle;

C. Swine on a farm operation that sells fewer than 200 swine per year; or

D. Poultry on a farm operation that sells fewer than 60,000 birds per year.