The lice and pathogen problems of the 1990s facilitated the development of current treatment methods for sea lice and pathogens, which reduced the stress from parasite/pathogen problems.
The lice and pathogen problems of the 1990s facilitated the development of current treatment methods for sea lice and pathogens. Sea lice reduced the stress from parasite/pathogen problems. Pathogens reduced the stress from parasite/pathogen problems.