This is worth a read:
http://tidescanada.org/wp-content/uploads/2015/12/Namgis-Land-Based-Atlantic-Salmon-Recirculating-Aquaculture-System-Project-Final-Performance-Metrics-Report.pdfIt's a little technical, but then again, fish farming is pretty sciency.
Here's the Tides media release:
http://tidescanada.org/media/raising-salmon-land-makes-business-environmental-sense/?platform=hootsuiteBoth reports are linked.
Page 23 on the second (Cohort 4) shows some interesting numbers: (Unsold inventory?)
Total Processing and Sales Summary
Calendar Years >> Budget
Q1 Q2 Q3 Q4 Q1 Q2 Q3
Average Size (kg HOG) 1.6 2.2 2.8 2.0 2.4 2.7 3.1 2.4 3.7
Harvest Volume (kg HOG) 792 28,847 19,831 40,698 63,848 47,335 74,346 274,122
Sales Volume (Kg HOG equiv.) 21,147 16,496 17,711 58,054 47,002 62,126 221,034
Sales Volume (kg) 12,684 8,894 10,891 32,703 27,306 36,341 128,818
Unsold Inventory (kg HOG equiv*) 7,847 13,729 29,542 36,979 38,450 49,488 29,339
Quality (% Premium) 85% 66% 77% 81% 85% 64% 76% 90%
Processing Yields
Round to HOG 88% 87% 89% 90% 90% 91% 89% 89%
HOG to Fillet (all trims) 65% 57% 64% 63% 64% 64% 63% 65%
Round to Fillet 57% 51% 61% 57% 58% 58% 57% 58%
Fillet to Portion (all sizes) 74% 59% 78% 70%
Live to Round (estimated) 94% 94% 94% 94% 94% 94% 94% 93%
* Fresh and Frozen
2014
A note when considering the financial viability of closed containment projects like this:
Where do their smolts come from?
Brood stock facilities and hatcheries are expensive...