【摘要】 在人工饲养的条件下 ,银鲑幼鱼以全长 74mm为生长拐点 ,生长拐点前为幼鱼Ⅰ ,生长拐点后为幼鱼Ⅱ。银鲑幼鱼Ⅰ ( 4 4～ 74mm)和幼鱼Ⅱ ( 74～ 1 0 3mm)全长与日龄均呈线性相关 ,银鲑幼鱼Ⅰ和幼鱼Ⅱ体重与日龄均呈幂函数相关 ,幼鱼Ⅰ生长快于幼鱼Ⅱ ,同期内体重增长始终比体长增长较为明显。更多还原

【Abstract】 The growth characteristics of Oncorhynchus kisutch’s fingerling s have been observed. The inflexion of growth curve of Oncorhynchus kisutch’s fingerlings is total length 74 mm, total length 44-74 mm is fingerlingⅠ, total length 74-103 mm is fingerlingⅡ.The total length of fingerlingⅠ(total length 44-74 mm) and fingerlingⅡ(total length 74-103 mm) keep linear relation with their age. Body weight keep power series with their age. Body weight keep power series with their total length. The growth of fingerlingⅠis faster than fingerlingⅡ,within the same term the increase of weight is always distincter than the increase of fingerling.更多还原