The science says that hatchery reared fish are not as strong as well fish, but, for instance, in the Yusa, where wild stocks of salmon are so low, really, the only way to be a catalyst to get those stocks back is toe have salmon hatcheries, so it is a balance stocking to restore your stocks, then stop at a time when you could let nature take its course.
科學上說,孵化飼養的魚不如魚強,但是,比如說,在尤薩,野生鮭魚的種群數量太少了,真的,只有e有鮭魚孵化場才能成為催化劑,讓這些種群恢復,所以,這是一個平衡放養,恢復你的種群,然後停止在一個可以讓自然發展的時候。