山女鳟适温养殖生产性能观测试验

The Trial On cultural Performance of Masu Salmon(Oncorhynchus masou Brevoort)In the Suitable Temperature Water

在年均水温12℃的适温试验区进行性了生产山女鳟养殖试验。0.3 g的苗种饲育270 d,育成尾重61.2 g当龄鱼种,育成率73.2%,单产21.54 kg/m^2,饵料系数1.21。尾重64.2 g的当龄鱼种饲育235 d,育成尾重247.9 g的成鱼,育成率80.3%,饵料系数1.3,单产25.7 kg/m^2。

The cultural trial of masu salmon was carried out in the Beijing region with annual average water temperature 12 ℃ form 0. 3 gto 61.2 g body weight for 270 days, its survival rate, single production and feed coefficient was 73.2%, 21.54 kg/m^2 and 1.21 respectively, and reared from 64. 2 g to 247.9 g body weight for 235 days with 80. 3% survival rate, 25.7 kg/m^2 single production and 1.3 feed coefficient respectively.