Envigo / Inotiv

Closed 2023
Cumberland, Virginia — Formerly Hazleton → Covance → Envigo → Inotiv
~5,000 dogs at peak70+ AWA violations$35M fine (largest AWA penalty)4,000 beagles rescued
~5,000
dogs at peak
Cumberland, VA
70+
AWA violations
Jul 2021 onward
Source: USDA APHIS
$35M
total penalty
Largest AWA fine ever
Source: DOJ
4,000
beagles rescued
HSUS coordinated
Key Finding
The Envigo case is the most consequential Animal Welfare Act enforcement action in the statute's history. It produced the largest fine, the largest coordinated rescue, and rare bipartisan Congressional engagement. It also demonstrated that federal enforcement, when it functions, can move decisively — a contrast with Marshall, where 20+ violations over nearly two decades have produced no comparable action.

Corporate History

The Cumberland facility operated continuously since the 1960s under a succession of corporate owners — each inheriting the same dogs, the same buildings, and the same problems.

1960sHazleton Laboratories
Facility established. Associated with Council for Tobacco Research. Between 1978-1980, conducted a two-year NCI study on cardiovascular effects of cigarette smoke on 204 permanently tracheostomized beagles.
1990sCorning Lab Services
Acquired Hazleton. Transitional corporate ownership.
1996–2019Covance
Major CRO. Cumberland became one of the top three US beagle breeding operations. Covance was later acquired by Labcorp.
2019–2021Envigo RMS LLC
Took over Covance's research models operations at Cumberland. Rebranded but same facility, same dogs.
Nov 2021Inotiv, Inc.
Acquired Envigo for ~$592M. West Lafayette, Indiana-based. Inherited the Cumberland facility — and its violations.

Business Operations

~15,000
dogs sold (2019–May 2022)
DOJ statement
~$16M
revenue from sales
~$1,100 per dog average
Pharma, CROs, NIH
customer base
Including government labs

The Rescue

4,000
beagles rescued
120+
shelter partners
29
states
3,776
“on their way home” by Sep 2022

One of the largest animal rescues in US history. Coordinated by the Humane Society of the United States (HSUS) with Homeward Trails Animal Rescue (Virginia) as key intake partner. Many dogs had spent their entire lives in the facility and required behavioral rehabilitation.

Industry Impact

Envigo's closure removed approximately 5,000 dogs from the US purpose-bred supply chain. Combined with Ridglan's settlement (license surrender by July 2026), Marshall BioResources is becoming the near-monopoly supplier of purpose-bred beagles in the United States.

The bipartisan Congressional attention helped build momentum for the FDA Modernization Act 2.0, signed December 2022 — removing the 1938 animal testing mandate.