Militia
发表于 2025-3-26 22:11:34
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Decimate
发表于 2025-3-27 03:28:57
Introduction,primitive fish farming from the Etruscans, who in turn learned them from the Phoenicians. Any exact date of development would be pure conjecture. However, in the Mediterranean area, fish farming dates back several thousand years. Egyptian bas-reliefs have scenes depicting fish raised in ponds.
incarcerate
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otic-capsule
发表于 2025-3-27 10:37:36
Canada,establishment of the Newcastle Hatchery in Ontario by the Canadian government in 1866, a system of salmonoid production was established which strongly influenced both private and government aquacultural developments in Canada, if not North America, over the century which followed. Similarly, the con
moratorium
发表于 2025-3-27 15:23:55
Norway,e or less out of production. The remaining 50 were culturing Atlantic salmon (see Fig. 3.1). These were the only two cultured fish species grown in Norway. Hence, this chapter is divided into two subparts: one for Atlantic salmon and one for rainbow trout. Most of the cultured fish industry is conce
Herbivorous
发表于 2025-3-27 20:50:19
Denmark,as also cultured. The first Danish trout farms were established about 1890 in Jutland, the western portion of Denmark which is attached to the European continent (Bregnballe 1963). In the beginning brown trout was the dominant species cultured. Within a short period of time, however, rainbow trout w
要控制
发表于 2025-3-27 22:08:04
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施加
发表于 2025-3-28 04:24:59
Italy,on was related to the common belief that since natural trout live in mountain brooks, trout farms should be built in the mountains. These early trout farmers erroneously believed that altitude was an important factor. They did not know that the limiting factor was high quantity of water with constan
无法破译
发表于 2025-3-28 06:44:17
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Interstellar
发表于 2025-3-28 11:57:05
Spain, were 112 private fish farmers producing between 5000 and 6000 MT (5510 and 6612 ST) of rainbow trout. By 1979 production had reached 9000 MT (9900 ST). The total volume of rainbow trout eggs produced for all purposes was 100 million compared with 3 million Atlantic salmon . and 6 million brown trou