“site” contains the sampling site name
“region” contains information on the general region of Scotland within which the sample site is located.
“date” contains the date that sampling point was undertaken
“fish_id” contains a number to identify individual fish
“length” contains the fork length in mm of the individual sea trout
“Lice_stage” contains the life cycle stage of sea lice classified as “copepodid_chalimus”, “preadult_adult” and “ovigerous_females”
“count” contains the number of lice found for the specific fish at the stated life cycle stage