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Estimated numbers of individuals in aquaculture production (FAO) of selected fish species 2017

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Data for Sea trout (Salmo trutta) in 2017
CountryProduction (t)1Estimated
mean weight 2
(EMW) g
EMW id2Estimated Numbers
(millions)3
France          1,000 Not estimated4
Italy          1,000 Not estimated4
Germany            662 Not estimated4
Austria            396 Not estimated4
United Kingdom            260 Not estimated4
Australia            211 Not estimated4
Norway             97 Not estimated4
Finland             81 Not estimated4
Bosnia and Herzegovina             75 Not estimated4
Denmark             74 Not estimated4
Switzerland             40 Not estimated4
Croatia             28 Not estimated4
Bulgaria             20 Not estimated4
Romania              8 Not estimated4
Slovakia              6 Not estimated4
Spain              6 Not estimated4
Czechia              2 Not estimated4
Sweden              2 Not estimated4
Total          3,969 Not estimated

Estimated by A Mood and P Brooke, Sep 2019


Notes
1. Source of production tonnage: FAO FishStat "Aquaculture Production (Quantities and values) 1950-2017 (Release date: 25th March 2019)".
2. Source of estimated mean weights (EMWs) : as for our earlier estimate, see Estimating the Number of Farmed Fish Killed in Global Aquaculture Each Year.
3. The estimated numbers are calculated as the production tonnage divided by estimated mean weight (EMW) where a mean weight has been estimated for the species.
4. The fish numbers for species without an estimated mean weight (EMW) have not been estimated for each individual species or country.