牛の視野は330度なので、人間用の220度に合わせたHMD付けても意味無さそう
https://cdni.rbth.com/rbthmedia/images/2019.11/article/5ddd09eb85600a209a0edeb8.jpg
https://cdni.rbth.com/rbthmedia/images/2019.11/original/5ddd09f985600a62151b8cfa.jpg
https://jp.rbth.com/lifestyle/82899-roshia-chichiushi-vr-goguru-shichaku