Abstract
A common assumption in the selection of nonhuman animal subjects for research and the approval of research is that, if the risks of a procedure are too great for humans, and if there is a so-called scientific necessity, then it is permissible to use nonhuman animal subjects. I reject the common assumption as neglecting the central ethical issue of the permissibility of using nonhuman animal subjects and as being inconsistent with the principle of justice used in human subjects research ethics. This principle requires that certain classes of individuals not be subjected to a disproportionate share of the burdens or risks of research. I argue for an extension of this principle to nonhuman animal research and show that a prima facie violation of the principle occurs because nonhuman animals bear an overwhelmingly disproportionate share of the risks of research without sufficient justification or reciprocal benefit.
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Notes
The content of what is due may vary depending on one’s approach to justice. A natural lawyer’s list of basic needs will include the human goods, other welfarists may include the conditions necessary for exercising essential human capabilities, and the rights theorist may include those needs long established by social norms or practice [9–12].
In the United States, before 1966, the only restrictions on the use of animals were those provided under state anti-cruelty laws that prohibited the intentional mutilation, torture, and killing of animals. Anti-cruelty laws, however, specifically include an exception for certain human uses, such as standard agricultural methods and scientific research (see, e.g., [17]). There now are rules that specifically govern the use of animals for research purposes, including the Animal Welfare Act (hereafter AWA) [18], the Endangered Species Act [19], and the regulations and policies promulgated to enforce these laws. The AWA, however, only protects animal welfare as animals are used in research. The AWA authorizes the Secretary of Agriculture to promulgate standards, including minimum requirements for care (e.g., handling, housing, feeding, watering, sanitation, ventilation, adequate shelter, and veterinary care) [18, § 2143(a)(2)] and requirements for minimizing pain and distress [18, § 2143(a)(3)].
The similar, albeit less demanding, condition of “scientifically valuable” is included as a condition for the ethical use of human subjects [25].
The narrow framing of the question in terms of “assessing the necessity” amidst growing concerns about the ethical justification for using chimpanzees for research (see, e.g., [27]) suggests at best the avoidance of the ethical issues and at worst an attempt to dispense with the ethical concerns without fully considering the merits.
Principle 3 of the Nuremberg Code also states: “The experiment should be so designed and based on the results of animal experimentation…” [33, p. 181].
Notably, the U.S. Government Principles for the Utilization and Care of Vertebrate Animals Used in Testing, Research, and Training, principle IV, states: “Unless the contrary is established, investigators should consider that procedures that cause pain or distress in human beings may cause pain or distress in other animals” [38].
Sahar Akhtar, for example, challenges the view that higher reasoning capacities heighten the human experience of physical or psychological pain [41].
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Choe Smith, C.U. Confronting ethical permissibility in animal research: rejecting a common assumption and extending a principle of justice. Theor Med Bioeth 35, 175–185 (2014). https://doi.org/10.1007/s11017-014-9290-8
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DOI: https://doi.org/10.1007/s11017-014-9290-8