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Their page. Our reply.

MBR Animal Welfare: The Care Claims, Against the Record

Marshall BioResources has a page describing “a commitment to humane care”: enriched enclosures, daily handling, on-site vets, climate-controlled lorries, USDA inspection, AAALAC accreditation and an ISO 9001 certificate. It names no numbers, no vet-to-animal ratio, no kill figure and no rehoming figure. What follows is what the inspection record, the courts and the people who worked there say, in the US and at MBR Acres in Wyton, Cambridgeshire, with sources you can check.

Last updated Sources

6,023
dogs died at Marshall’s Green Hill breeder, 2008 to 2012
20+
Animal Welfare Act violations cited by the USDA since 2007
10
dogs hands-on examined per USDA inspection, whatever the site size
26,000+
dogs, puppies and ferrets counted at one Marshall site in May 2026

What Marshall’s page says

In our words, not theirs. The original is on marshallbio.com.

  • More than 85 years of supporting research while committed to animal welfare.
  • Animals are housed in separate buildings by species, age, sex and weight, in enclosures with room to exercise, enrichment and social contact.
  • Kennels are spot-cleaned daily and fully sanitised periodically; trained carers handle and observe the animals every day.
  • Vets are on site daily and on call after hours, as the law requires, overseeing preventive care and treatment.
  • Transport is in climate-controlled, monitored vehicles, and animals acclimatise at the research facility under trained staff.
  • Oversight comes from regular USDA inspections, voluntary AAALAC accreditation, and ISO 9001-certified quality management.

01What do the people who worked there say?

Multiple witnesses
Marshall says

Animals receive humane care, enrichment, daily gentle handling and observation by trained carers.

The other side

The page describes the policy. Former staff describe the practice.

In the US

Whistleblower images published by Rise for Animals in 2026 show dogs in wire cages over faeces-strewn floors, ferrets and their young housed in filth, and a dead puppy in a soiled metal container. Earlier footage released by PETA showed beagles in barren, faeces-covered wire cages. In August 2026 Wayne Hsiung published video testimony from multiple former staff, with photographs, inspection records and internal USDA documents, and a criminal referral letter from former federal prosecutor Bonnie Klapper. Former staff allege “panic cleans” before inspections, puppies suffocating in food pans while seeking warmth, dogs thrown into cage walls, untreated injuries from unsafe housing, and neglect of basic veterinary needs.

These are allegations, and Marshall disputes them. But they come from several separate people over many years, not one disgruntled employee, and an inspection that examines a handful of animals out of tens of thousands cannot disprove what staff say they saw every day. If you have worked at MBR Acres or B&K Universal, you can tell us in confidence.

02What does the inspection record actually show?

Regulator record
Marshall says

Regular USDA inspection, voluntary AAALAC accreditation with standards often stricter than federal law, and ISO 9001 certification.

The other side
In the US

The USDA has cited Marshall for more than 20 Animal Welfare Act violations since 2007. Rise for Animals’ analysis of 48 public reports from 2014 to 2026 found 13 non-compliance items, 11 of them between 2021 and 2024. On 28 June 2023 the USDA issued Marshall Farms Group an Official Warning (ref NY230026) over cat housing. And the inspections themselves are thin: USDA guidance caps hands-on dog examinations at 10 animals per visit, roughly one dog in 1,500 at Marshall’s largest site; two inspectors led 46 of the 48 inspections, and visits with extra inspectors found violations more than twice as often.

The badges on the page are not what they look like. AAALAC is a private, industry-funded accreditation body, not a regulator. ISO 9001 is a quality-management standard about documented processes; a factory making anything at all can hold one, and it says nothing whatsoever about how an animal is treated. Neither certificate has ever examined a dog.

In the UK

MBR Acres holds a Section 2C establishment licence overseen by the Home Office’s Animals in Science Regulation Unit. The last documented audit (November 2024) listed three minor findings: rust, floor damage and a loose drain cover. Full reports are not published, because Section 24 of the Animals (Scientific Procedures) Act restricts disclosure, and the local MP, Ben Obese-Jecty, has said correspondence from constituents contradicts the audit. Section 58 of the Animal Welfare Act exempts these dogs from the ordinary welfare protections every other dog in Britain has.

03How many carers and vets does Marshall have per animal?

Do the maths
Marshall says

Trained carers handle and observe the animals daily; vets are on site daily and on call after hours, as required by law.

The other side

“As required by law” is the legal minimum. It is on the page as a boast.

Marshall says it employs just over 200 people in North Rose. The USDA’s May 2026 count at one North Rose site was 9,171 adult dogs, 5,394 puppies and 11,706 ferrets, more than 26,000 animals. Even if every employee worked full time on animal care, that is well over 100 animals per person before shifts, holidays, cleaning and administration. Marshall has never published a staff-to-animal ratio, a vet-to-animal ratio or shift cover, for North Rose, for MBR Acres or for B&K Universal. If the numbers were reassuring, a page about welfare would be the place to print them.

On veterinary care specifically, former staff quoted by Hsiung allege that when a vein could not be found for euthanasia, a dog’s neck was stood on during the injection. That is an allegation. The absence of any published ratio is a fact.

04What happens to the animals that are not sold, or not perfect?

No numbers given
Marshall says

The page does not say. Marshall’s FAQ says it matches numbers to demand and looks for adoption first.

The other side

A welfare page with no kill figure and no rehoming figure.

In the US

Whistleblower testimony published in August 2026 alleges hundreds of dogs a year are killed at Marshall’s US operation for minor cosmetic issues such as tail kinks or eye colour, because “non-standard” animals are harder to sell; Rise for Animals has published similar claims. Former staff allege dogs were killed by abdominal injection of sodium pentobarbital, some thrashing and screaming for five to ten minutes before dying. Marshall calls the eye-colour claim a deceptive talking point. It could settle it in an afternoon by publishing its culling records. It has not.

In the UK

During the 2025 to 2026 Crown Court trials the prosecution accepted as agreed fact that a Home Office licence held within Marshall’s UK group, and available at MBR Acres, permits terminal blood sampling under general anaesthetic from which dogs are not permitted to recover, and harvesting of bio-products “from dogs following humane killing”. In December 2022 two puppies removed from MBR Acres, Love and Libby, were intercepted by police and returned to the site; MBR has never said what happened to them. MBR Acres publishes no figure for how many dogs die or are killed on site. Read the bleeding licence.

05What is Marshall’s record outside New York?

Court record
Marshall says

More than 85 years of operating with a commitment to animal welfare.

The other side

An 85-year history is not a defence. It is a longer record, and part of it was decided in court.

Green Hill in Montichiari, Italy, was a beagle breeder in the Marshall group. Italian authorities raided it in 2012 and seized around 2,500 dogs, with about 3,000 eventually rehomed. Records showed 6,023 dogs died there between 2008 and 2012, and evidence included dogs killed with Tanax without prior anaesthesia. Three senior staff were convicted of animal mistreatment in 2014 and sentenced to prison, with the convictions upheld on appeal in 2015. That is not an allegation. It is a criminal conviction inside the company whose welfare page you are reading about.

06Do the animals ever go outside?

Their own answer
Marshall says

Enclosures provide space for exercise, behavioural enrichment and positive social interaction.

The other side

The welfare page describes the enclosures. Marshall’s own FAQ explains why they are enclosures: its animals are raised “in conditions similar to the labs they will go to”, from birth, deliberately, so that the laboratory is not a shock. At MBR Acres the beagles live their whole lives in indoor sheds and leave at around sixteen weeks for a laboratory. A beagle is a scent hound bred for the outdoors. Marshall does not deny that its dogs never feel grass; it has explained that never feeling grass is the point. The climate-controlled lorry on the welfare page is the journey from one indoor life to the last one.

Humane care is measured by the animals, not the certificates.

Marshall’s page has badges and no numbers. The witnesses, the inspection record and the courts have both. Read them, then do one of three things.

Check everything

Sources

Every figure on this page traces to one of these. If you find one we have got wrong, tell us and we will correct it and say so.

This page is published by Save the Dogs UK, an independent campaign. It is not affiliated with Marshall BioResources, MBR Acres, or any other organisation, and it is not Marshall’s page: it is our reply to it. Where we describe Marshall’s position we paraphrase; its own words are on its own website. Allegations from former staff are reported as allegations. Nothing here is legal advice.