Piojo de mar en Chile: Análisis histórico de los programas de vigilancia y control

Sea lice in Chile: historical analysis of surveillance and control programs

R. Ibarra*, A. Tello, J. Campisto and M. H. Medina Ins9tuto Tecnológico del Salmón-­‐ SalmonChile September 2014 INTESAL

Sea lice monitoring and control programs

• Private: Supported by Salmon farmer associa9on since 1999.

– Voluntary ac,ons (always according under Official programs) • Zone management un,l 2009 • Ac,ve surveillance un,l 2012 • Today is limited into passive surveillance and analysis

• Official: Supported by Na9onal Fisheries Service since 2007.

– Mandatory surveillance and control ac,ons under specific sea lice program.

– Use of therapeu,cs – Food safety INTESAL 2

Sea Lice in Chile

Surveillance and control Measures 2012 -Salmosan -Harvest control -Enclosed systems -Private coordination JU

35 Surveillance Program

New PSEVC New PSEVC • Level for treatment • Level for treatment • Coordinated treatment oordinated treatment • Classification of• C sites/consequences • Classification of sites/ • Alternation of products consequences • Enclosed systems

Alphamax

20 15 10 5

Control Program *10 CT *6 AT

*3 AT

• Alternation of products • Enclosed systems

SalmonChile Measures PSEVC DFZ Cáligus

AT

Betamax

9 AT

1,5 F

• Coordina9on • Zoning

0 ene-07 mar-07 may-07 jul-07 sep-07 nov-07 ene-08 mar-08 may-08 jul-08 sep-08 nov-08 ene-09 mar-09 may-09 jul-09 sep-09 nov-09 ene-10 mar-10 may-10 jul-10 sep-10 nov-10 ene-11 mar-11 may-11 jul-11 sep-11 nov-11 ene-12 mar-12 may-12 jul-12 sep-12 nov-12 ene-13 mar-13 may-13 jul-13 sep-13 nov-13 ene-14 mar-14 may-14

Promedio Caligus

30 25

Winter Treatment

Winter Treatment

Winter Treatment

Mes - Año INTESAL 3

70

40

30 Total Caligus Biomass

300000

Control measures

0 200000

Biomass (Ton)

60

abr-09 jun-09 ago-09 oct-09 dic-09 feb-10 abr-10 jun-10 ago-10 oct-10 dic-10 feb-11 abr-11 jun-11 ago-11 oct-11 dic-11 feb-12 abr-12 jun-12 ago-12 oct-12 dic-12 feb-13 abr-13 jun-13 ago-13 oct-13 dic-13 feb-14 abr-14

Total Caligus/fish

Biomass and Sea Lice

Varia9on i2D n TGraph ime 9(2009-­‐ 2014) 500000

400000

50

20 100000

10

0

Month - year

INTESAL 4

Levels of IPM Integra9on Where is Chile?

Levels of IPM integration

Level III

7

[same as previous +] Control of other fish diseases included

6 Level II

[same as previous +] Implementation of several non-medical measurements

5

[same as previous +] Surveillance incorporated into a decision support system Dynamic host/sea lice models

4 Level I Threshold of IPM

3 2

1 a)Point by point treatment b)Single medicine available

[same as previous +] a)Resistance surveillance b)Wild salmon surveillance c)Use of non-medical measurement (e.g.cleaner fishes)

[same as previous +] a)Area management areas b)Planning and coordination

a)Sea lice counts surveillance b)Alternation of medicine

(Adjustment to sea lice from Kogan 1998)

INTESAL 5