Chilean Salmon Farming on the Horizon of Sustainability: Review of the Development of a Highly Intensive Production, the ISA Crisis and Implemented Actions to Reconstruct a More Sustainable Aquaculture Industry - Aquaculture and the Environment: A Shared Destiny - page 223

Land-based lake estuary

E

D

C

B

A

0 20 40 60 80 100

Fish weight (g)

Fig. 3. The graphic shows 5 smolt production strategies in Chile. A. Eyed eggs to fry on
land-based, fry to smolt on lake. B. Eyed eggs to fry on land-based, fry to fry on lake and fry
to smolt on estuary, C. Eyed eggs to fry on land based and fry to smolt on lake, D. Eyed eggs
to fry on land-based and fry to smolt on estuary, E. Eyed eggs to smolt on land-based
facilities.

Month

D J F MAMJ J AS ON D

summer autumn winter spring

Natural eggs
Photoperiod broodstock
Chilled eggs
Imported eggs
Natural eggs
Photoperiod broodstock
Chilled eggs
Imported eggs

Smoltification on natural photoperiod

Fig. 4. Season and off-season smolt production year around in Chile. In the southern parts of
Chile, the four year seasons are well defined with markedly differences between summer,
autumn, winter and spring.