Question to the Home Office:

To ask the Secretary of State for the Home Department, with reference to the report entitled, Statistics of Scientific Procedures on Living Animals Great Britain 2018, published in July 2019, for what reason there has been an increase in the number of non-human primates that came from a first generation primate used for the first time in experimental procedures.

With reference to the report entitled Statistics of Scientific Procedures on Living Animals Great Britain 2018, published in July 2019, the change in the published figures for the first-generation primates (F1) from 2017 to 2018 was likely due to confusion amongst those establishments supplying the data over the definition of a self-sustaining colony. In the 2018 return some establishments reported the number of F1 non-human primates within a self-sustaining colony.