Envigo / Inotiv

Facility begins operation in Cumberland County, Virginia. Associated with Council for Tobacco Research.

Hazleton conducts a two-year study on cardiovascular effects of cigarette smoke on 204 permanently tracheostomized beagles for the National Cancer Institute.

Transitional corporate ownership. Facility continues breeding beagles.

Cumberland becomes one of the top three US beagle breeding operations under Covance, a major CRO. Later acquired by Labcorp.

Envigo RMS LLC takes over Covance's research models operations at Cumberland. Rebranded, but same facility, same dogs.

Inotiv, Inc. (West Lafayette, Indiana) acquires Envigo for ~$592M, inheriting the Cumberland facility and its compliance problems.

PETA conducts undercover work at Cumberland facility. Findings corroborate and expand on subsequent USDA inspection documentation.

First of more than 70 AWA violations documented over nine months. Over 300 puppy deaths, overcrowding, improper euthanasia, untrained workers performing procedures.

Department of Justice files civil complaint in U.S. District Court for the Western District of Virginia. Federal search warrant executed. DOJ enforcement of the AWA is rare.

Senators Mark Warner (D-VA) and Tim Kaine (D-VA), and Rep. Bob Good (R-VA) press federal agencies for action. Bipartisan alignment on animal welfare is unusual.

Federal consent decree authorizes surrender of all dogs. Establishes conditions for facility wind-down.

Humane Society of the United States coordinates transfer of ~4,000 beagles to 120+ shelters across 29 states. Homeward Trails handles initial ~500 dogs. By September 1: 3,776 'on their way to loving homes.'

Envigo case helped build bipartisan momentum. Act removes 1938 animal testing mandate, allowing alternative methods.

Envigo pleads guilty to AWA conspiracy and Clean Water Act felony. $35 million penalty — largest in AWA history. Permanent prohibition on licensed activity at Cumberland.

Stock crash, $35M+ penalties, $27M inventory write-down. One RMS client = 16.6% of segment revenue (FY2025). Consolidated operating losses.