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

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Data for Brook trout (Salvelinus fontinalis) in 2017
CountryProduction (t)1Estimated
mean weight 2
(EMW) g		EMW id2Estimated Numbers
(millions)3
Austria            550 Not estimated4
Bosnia and Herzegovina              3 Not estimated4
Bulgaria             10 Not estimated4
Czechia            268 Not estimated4
Denmark             86 Not estimated4
Italy            400 Not estimated4
Romania            230 Not estimated4
Slovakia              5 Not estimated4
Total          1,552 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.