The Norm We Withdraw: Domestication, Human Selection, and Responsibility for the Living

Author's English translation of: Dietrich, Pablo. A norma que retiramos: domesticação, seleção humana e responsabilidade pelo vivo. Revista Tópicos 4 (38): 1-34, 2026. DOI: 10.70773/revistatopicos/792198151. Translation deposited at Zenodo, DOI: 10.5281/zenodo.23815536. This paper examines the responsibility of those who control the living conditions of animals rendered dependent on human intervention. A hypothetical case—that of a horse with a treatable injury being euthanized for economic reasons—is contrasted with the conservation of the Przewalski's horse through captive breeding and reintroduction. Both cases share a structure of managed dependency, yet they are not equivalent: conservation may sustain the flourishing of a living being, whereas killing brings it to an end. Drawing on a philosophy of normativity grounded in dependency on that which is not human-produced, a distinction is made between the vital norm (the constitutive conditions an organism receives) and the means of care (the resources produced to sustain it). Identifying the loss of a form of life is not, in itself, sufficient to establish that such a loss is prohibited; an explicit normative premise is required—namely, that those who establish or sustain a dependency must justify the withdrawal of viable care, without conflating a loss of profitability with an impossibility of providing such care. Resolution CFMV No. 1,000/2012 provides the regulatory basis for distinguishing between irreversible suffering, incompatibility with productive goals, and financial insufficiency. The analysis identifies what is lost, and the position held within a dependency relationship grounds a requirement for justification—though not an unlimited duty to preserve life. In the context of conservation, a distinction is drawn between the individual, the lineage, and the free-ranging population. The moral status of the animal in itself remains outside the scope of this argument.