'The long-standing status of dogs as ideal subjects for nutritional studies of foods intended for human consumption made the boundaries between human and canine dietetics particularly fluid. [note: 'Elizabeth Neswald, “Food Fights: Human Experiments in Late Nineteenth-Century Nutrition Physiology,” in The Uses of Humans in Experiments: Perspectives from the 17th to the 20th Century, ed. Erika Dyke (Leiden, 2016), 170–93.']' (297-298)