Since 2018 this spend on technology, innovation and research has greatly improved fish health. nd In the sector’s evidence (2 October) we demonstrated this significant improvement in fish survival, as well as record low levels of sea lice. 1 As per evidence provided by Tavish Scott to the Rural Affairs, Islands and Natural Environment Committee; Meeting date: Wednesday, September 15, 2021; Column 15 of the Official Report Recently published government statistics re-iterate this position.