---
type: "Bill"
title: "Agriculture - Use of Antimicrobial Drugs - Reporting Deadlines"
description: "Agriculture - Use of Antimicrobial Drugs - Reporting Deadlines"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2023"
identifier: "HB 516"
citation: "Maryland HB 516 (2023)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Love"]
version_count: 3
action_count: 13
vote_count: 0
first_action: "2023-02-01"
last_action: "2023-04-11"
source: "openstates"
source_identifier: "ocd-bill/be96814e-fc07-4219-b594-b814dd875cac"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0516?ys=2023RS&search=True"
source_hash: "e67570dd658b3f0a171e1898ded42d243b7c7517402a024312ee31cbdbd4eb58"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-md"]
---

# Maryland HB 516 (2023) — Agriculture - Use of Antimicrobial Drugs - Reporting Deadlines

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Chapter - Agriculture - Use of Antimicrobial Drugs - Reporting Deadlines** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/Chapters_noln/CH_69_hb0516t.pdf)
2. **First - Agriculture - Use of Antimicrobial Drugs - Reporting Deadlines** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/hb/hb0516f.pdf)
3. **Third - Agriculture - Use of Antimicrobial Drugs - Reporting Deadlines** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/hb/hb0516t.pdf)

## Sponsors

- Love — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2023-02-01** First Reading Environment and Transportation `referral-committee`
- **2023-02-02** Hearing 2/17 at 1:00 p.m.
- **2023-02-27** Favorable Report by Environment and Transportation `committee-passage-favorable`
- **2023-02-28** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2023-03-02** Third Reading Passed `passage`
- **2023-03-03** Referred Education, Energy, and the Environment `referral-committee`
- **2023-03-07** Hearing 3/23 at 1:00 p.m.
- **2023-03-31** Favorable Report by Education, Energy, and the Environment `committee-passage-favorable`
- **2023-03-31** Favorable Adopted `committee-passage-favorable`
- **2023-03-31** Second Reading Passed
- **2023-04-05** Third Reading Passed `passage`
- **2023-04-05** Returned Passed
- **2023-04-11** Approved by the Governor - Chapter 69 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/be96814e-fc07-4219-b594-b814dd875cac`. Confidence: reported (aggregated from official Maryland legislature records).