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British poultry breeders and hatcheries association .

英国家禽饲养与孵化商协会。

Many old poultry buildings , hatcheries , and feed mills can be redesigned .

许多老的禽舍，孵化室和饲料磨坊可以重新设计。

Only 3000 now remain of a population that used to number 75000 , and many of those come from hatcheries .

它们的数量曾达75000，而今仅余3000，其中很多都是人工孵化而来的。

Since this can 't be provided for in a lake , it is up to hatcheries to keep lakes stocked with stream trout .

因为这不能规定在一个湖泊里，它是要由孵化场，以保持湖泊摆满流鳟。

Since the demand is there , hatcheries will continue to stock these stream trout in lakes .

由于需求已经存在，孵化场，将继续以这些股票流鳟鱼湖。