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A fish fillet processor processes fish into a fillet. Fish processing starts from the time the fish is caught. Popular species processed include cod, hake, haddock, tuna, herring, mackerel, salmon and pollock . Commercial fish processing is a global practice. Processing varies regionally in productivity, type of operation, yield and regulation.
Electrofishing is a common scientific survey method used to sample fish populations to determine abundance, density and species composition. When performed correctly, electrofishing results in no permanent harm to the fish, which return to their natural mobility state in as little as two minutes after being caught. [1]
A medieval view of fish processing, by Peter Brueghel the Elder (1556). There is evidence humans have been processing fish since the early Holocene. For example, fishbones (c. 8140–7550 BP, uncalibrated) at Atlit-Yam, a submerged Neolithic site off Israel, have been analysed. What emerged was a picture of "a pile of fish gutted and processed ...
On a dry-dry basis, 2–4 kg of wild-caught fish are needed to produce 1 kg of salmon. [23] The ratio may be reduced if non-fish sources are added. [20] Wild salmon require about 10 kg of forage fish to produce 1 kg of salmon, as part of the normal trophic level energy transfer. The difference between the two numbers is related to farmed salmon ...
The B5 is based on the 545i and uses a modified version of its 4.4-litre valvetronic V8 engine designated by Alpina as the H1 (shared with the B7 and B6). [1] Changes to the engine include an Alpina specific block made by Steyr, a forged crankshaft and low compression Mahle pistons. [2]
In 1995, salmon had a FIFO ratio of 7.5 (meaning 7.5 kilograms of wild fish feed were required to produce one kilogram of salmon); by 2006 the ratio had fallen to 4.9. [99] Additionally, a growing share of fish oil and fishmeal come from residues (byproducts of fish processing), rather than dedicated whole fish. [ 100 ]
The E60 was the first 5 Series to be available with a turbocharged petrol engine, a 6-speed automatic transmission and regenerative braking. The M5 model was introduced in 2005 and is powered by the BMW S85 V10 engine. It was sold in the saloon and wagon body styles, with most cars using the 7-speed SMG III transmission.
On July 7, 1988, the engine was presented internally within BMW. To prevent an "arms race" with other engine manufacturers, the V16 was never put into mass production. [ 2 ] Additionally, a higher-performance version of the M70 engine, the S70B56 installed in the BMW 850CSi , produced 380 PS (279 kW) and 56.1 kp⋅m (550 N⋅m ) of torque ...