Derivation of the economic value of R 0 for macroparasitic diseases and application to sea lice in salmon

Table 1 Input parameters for hypothetical loss-expenditure frontiers

Item	Symbol	Value	Unit
Minimum number of parasites per host	\({\text{I}}_{ \min }\)	1	Parasites/host
Length of a production cycle	T	12	Parasite generations
Time between two treatments	τ	0–120	Parasite generations
Losses per host per parasite present over a period of \({\text{T}}\) parasite generations	\({\text{L}}_{\text{par}}\)	1	€/parasite/host
Expenditures per treatment	\({\text{E}}_{\text{treat}}\)	5	€/treatment
\({\text{R}}_{0}\)	\({\text{R}}_{0}\)	1.3, 1.4, 1.5, and 1.6

ISSN: 1297-9686