Scottish Fish Farm Production Survey 2013
The annual production survey of fish farms in Scotland for 2013 was carried out by Marine Scotland Science (MSS). This survey collates annual production data from Scottish fin fish farm sites operated by authorised aquaculture production businesses.
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4. OTHER SPECIES
The Scottish aquaculture industry has continued to farm other species of fish during 2013. The production of brown trout, Salmo trutta, showed a small increase with the majority of the production being for the angling restocking market. The production of halibut, Hippoglossus hippoglossus, decreased and there was no production of Arctic charr, Salvelinus alpinus. There was production of cod, Gadus morhua, but this figure cannot be shown without revealing the production for an individual company. Several species of wrasse (Labridae) continued to be produced in 2013. The production of wrasse is targeted at the marine Atlantic salmon industry where they are used as a biological control for parasites.
Company, Site and Production Data
Table 40: Number of companies and sites producing other species in 2013, production of other species (tonnes) during 2010-2013 and estimated production in 2014
| Species | No. of companies | No. of sites | 2010 Production tonnage | 2011 Production tonnage | 2012 Production tonnage | 2013 Production tonnage | 2014 Production tonnage* |
|---|---|---|---|---|---|---|---|
| Arctic charr | 0 | 0 | 1.5 | 1.5 | 0.2 | 0 | 0 |
| Brown trout/ sea trout | 15 | 17 | 53 | 61 | 42 | 44 | 55 |
| Cod | 1 | 1 | 0.7 | 0 | 0 | t | ∞ |
| Halibut | 2 | 4 | 139 | 83 | 73 | 56 | 92 |
| Wrasse spp | 4 | 4 | 0 | 0 | t | 0.1 | 4 |
* Industry estimates based on stocks currently being on-grown.
t Production occurred but this cannot be shown without revealing the figure for an individual company.
∞ The estimated production for 2014 cannot be shown without revealing the figure for an individual company.
Staffing
Table 41: Number of staff employed in farming other species during 2004-2013
| Year | Full-time | Part-time | Total |
|---|---|---|---|
| 2004 | 61 | 18 | 79 |
| 2005 | 73 | 18 | 91 |
| 2006 | 92 | 17 | 109 |
| 2007 | 75 | 29 | 104 |
| 2008 | 80 | 44 | 124 |
| 2009 | 23 | 22 | 45 |
| 2010 | 19 | 24 | 43 |
| 2011 | 24 | 19 | 43 |
| 2012 | 25 | 21 | 46 |
| 2013 | 29 | 21 | 50 |
In 2013, the overall number of staff employed in the production of other species increased by four.
Ova Laid Down to Hatch
Table 42: Source of ova from other species laid down to hatch during 2013
| Species | Source of ova laid down to hatch (000's) | ||
|---|---|---|---|
| Own broodstock | Other GB broodstock | Foreign ova | |
| Brown trout/sea trout | 658 | 0 | 0 |
| Halibut | ‡ | 0 | ‡ |
| Wrasse spp. | 7,090 | 0 | 0 |
‡ Ova were laid down to hatch in both categories but these data cannot be shown without revealing the figures for an individual company.
Trade in Small Fish
Table 43: Trade in small fish of other species in 2013
| Species | Bought (000's) | Sold (000's) |
|---|---|---|
| Halibut | 44 | ~ |
| Brown trout/sea trout | 69 | 40 |
| Wrasse spp. | ~ | 16 |
~ These data cannot be shown without revealing the figures for individual companies.
There was also a small amount of production of: brook charr, Salvelinus fontinalis; carp, Cyprinus carpio; Dover sole, Solea solea; haddock, Melanogrammus aeglefinus; sea bass, Dicentrarchus labrax; sheepshead minnow, Cyprinodon variegatus variegatus; tiger trout, Salmo trutta cross salvelinus fontinalis; tilapia, Tilapia Spp; turbot, Psetta maxima and whiting, Merlangius merlangus. However, due to the small number of companies in production, it is not possible to summarise these data without revealing the production of individual companies.
Organic Production
Of the 26 sites recorded as producing other species in 2012, no organic production was reported.
Escapes
There was one reported incident leading to an escape of 6,957 halibut from a site in 2013.
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