The Shifting Role of the Laboratory Animal Veterinarian: An Emerging Concern

Abstract

The human–animal relationship is undergoing a profound cultural shift, reshaping how societies—and professionals—understand animal welfare. In biomedical research, these changing attitudes have begun to influence the role of laboratory animal veterinarians, whose work now sits at the intersection of care, ethics, and compliance. While compassion-driven caution is laudable, the growing tendency toward moral gatekeeping risks impeding ethically justified science. This piece argues for renewed partnership between veterinarians and scientists grounded in evidence, trust, and shared responsibility. Sustaining both animal welfare and scientific progress requires not greater division, but deliberate collaboration—anchored in the belief that ethical research involving animals is a moral good.

The human–animal relationship is evolving. In many parts of the world, companion animals are increasingly viewed as family members. Dogs have birthday cakes, and cats are prescribed customized diets and behavioral medications. This growing emotional investment reflects a deeper, more empathetic societal concern for animal wellbeing—a positive development in many respects. As public attitudes shift, so too do professional norms in fields that intersect with animals, including biomedical research.

Several societal issues^1–3 are fueling the anti-science propaganda that is eroding trust in science. In the United States, we are seeing research funding halted and eliminated and experts in their fields terminated from their positions. Because of recent cultural shifts, it is possible that the United States will lose its next generation of scientists and, ultimately, its preeminence in scientific and medical discovery.^2,3

Cultural shifts are beginning to influence the practice of laboratory animal medicine. Historically, laboratory animal veterinarians played a dual role: ensuring the humane care of research animals while supporting the scientific enterprise. In earlier decades, veterinarians were integral to research teams, embedded in specialized centers where care and discovery were interdependent. That collaborative model continues in many institutions.^4–6 However, we have observed an emerging tension: in certain contexts, veterinary engagement, while still well-intentioned, has become more cautious, and at times, more oppositional.

Today, one may encounter cases where veterinary input—essential in principle—creates friction in practice.^7–10 Research protocols may be delayed or challenged not due to evidence-based welfare concerns, but due to moral unease. Terms such as stress, burden, and harm may be invoked without clear definitions, standardized metrics, or supporting data. While this caution often stems from compassion, it can inadvertently impede scientifically and ethically justified studies.

To be clear, most laboratory veterinarians remain committed champions of science (see, eg, https://www.aclam.org/about). Across the globe (see Supplementary Materials for a French translation of this piece), there are outstanding veterinary professionals who work tirelessly to ensure animal welfare while enabling meaningful, high-impact research. Their expertise strengthens science. Their partnership is indispensable. This piece is not a critique of the profession, but an invitation to engage with a philosophical and cultural shift that affects how some veterinarians view their role in research environments.

Some of these changes stem from broader societal narratives that frame animal research, and the scientists who perform it, as inherently problematic.¹¹ In this climate, veterinarians—similar to many professionals—may feel caught between their scientific responsibilities and growing cultural skepticism about animal involvement. The result may be a quiet redefinition of their role: from scientific collaborator to moral gatekeeper.

Increasingly, this shift is reinforced by institutional structures, although the expression of veterinary authority varies substantially across institutional cultures. As regulations expand, and institutions become more risk averse, laboratory animal veterinarians may be recast less as scientific collaborators and partners and more as compliance officers.¹⁰ This repositioning does not occur in isolation: ethical and compliance decisions in animal research emerge from a shared governance milieu involving IACUCs, ethics committees, institutional officials, and senior administrators and leadership, all operating within distinct organizational norms and risk tolerances. Within this context, what was once a role grounded primarily in clinical judgment and scientific partnership has, in some settings, become one of enforcement. While intended to safeguard animals and institutions, this change can elevate process over outcome, creating an environment where compliance for its own sake hinders innovation and erodes trust between scientists and veterinarians and, in extreme cases, negatively impacts animal welfare.

Many regulatory provisions necessarily rely on professional judgment for appropriate interpretation and implementation. Yet veterinarians, particularly those early in their careers or newly entering the research environment, may feel uncertain or professionally constrained in exercising that discretion, especially within institutional cultures that prioritize risk avoidance over collaborative problem-solving. This evolution, while understandable, carries risks. It can introduce hesitation where cooperation is needed, and uncertainty where clarity is essential. Ethical animal research is not a contradiction: it is the foundation of progress in medicine, public health, and veterinary medical care itself. Preserving that foundation requires delicate balance, achieved and sustained not only by regulation, but by shared values, institutional leadership and support, and mutual respect.

To strengthen this balance, a new collaborative initiative was launched: a global partnership of veterinarians and scientists committed to open dialogue, evidence-based refinement, and mutual respect and understanding. This emerging group (International Primate Vet-PI Neuroscience Alliance [IPVNA])—comprised of more than 300 and counting professionals, including scientists, research trainees, veterinarians, and veterinary technicians from 15 countries and 4 continents—aims to develop shared frameworks that support both robust science and high standards of animal welfare and care. By working together, we can bridge gaps, clarify expectations, improve communications, and reaffirm our shared commitment to ethical and humane scientific and medical progress. More of this is needed.

At a time when science faces growing public scrutiny, unity within the research community is vital. Laboratory veterinarians occupy a uniquely influential position at the intersection of ethics, care, and discovery.^4,10 Their voices matter deeply, and so does their alignment with the mission of science.

The future of animal research depends not only on compliance and oversight, but on solidarity: a shared belief that the pursuit of knowledge, when responsibly conducted, is a moral good. If even those closest to the work begin to question its legitimacy, it becomes far more difficult to defend that work to society.^11–13

Let us reaffirm our shared purpose and build a culture of trust, openness, and partnership that honors both the science and the animal lives critical to scientific and medical progress.

Supplementary Materials

French translation of this article ^{(34.7KB, docx)} .

Conflict of Interest

The authors declare no conflicts of interest and note that the views expressed herein do not reflect those of their institutions.

Funding

The work performed in M.A.B.’s laboratory is supported by NIH Grant R01AG063090.