EURCAW Ruminants & Equines has responded to a question about the use of electrical devices, such as, electric or virtual fences, electric devices to move animals, electro immobilisation, and electroejaculation. In general, electrical devices are used to alter an animals’ behaviour through aversion learning. Due to their negative impact on animal welfare, the use of  certain devices are prohibited in some EU Member States. For further explanations and information, see the full Q2E answer. 

See more here: https://www.eurcaw-ruminants-equines.eu/questions-to-eurcaw/