ABSTRACT

The trading of cattle across England poses challenges to the control and eradication of the cattle disease bovine Tuberculosis (bTB). To encourage the consideration of risk in the practice of cattle trading in England, Cattle Health Certification Standards (CHeCS) were introduced in 2016 to associate cattle commodities with bTB. However, CHeCS has only been adopted by approximately 60 farmers and there is no evidence to suggest it is encouraging risk-based trading of cattle. In this article, I use three empirical cases to analyse how disease risk was calculated, how it was framed through CHeCS as a quantifiable quality that could be associated with cattle, and how it failed to be taken up in the market. Drawing on the work of Callon and others, I conceive this failure to be an overflow of the efforts of qualculation. Building on their work, I argue that attaching a quality to a commodity requires effort, is an unstable process and is ultimately prone to failure.

摘要

英格兰各地的牛交易对控制和根除牛结核病（bTB）构成了挑战。为了鼓励在英格兰的牛交易中考虑风险，2016年引入了牛健康认证标准（CHeCS），以将牛商品与bTB相关联。但是，CHeCS仅被大约60个农民采用，没有证据表明它鼓励基于风险的牛交易。在本文中，我使用三个经验案例来分析疾病风险的计算方式，如何通过CHeCS将其确定为可与牛相关的可量化质量，以及如何未能将其吸收到市场中。利用Callon和其他人的工作，我认为这种失败是资格鉴定工作的溢出。以他们的工作为基础，