论文部分内容阅读
从北京引进史氏鲟鱼花5万尾,平均体长1.1cm,平均体重0.0185g,取其中1.2 万尾,分成三组,分别采用三种不同的方式进行为期60天的精心培育。其结果为:试验A组中种苗平均体长达到14.8cm,平均体重19.241g,成活率为37.3％;试验B组中种苗平均体长达到14.6cm,平均体重18.776g,成活率49.8％。试验C组中种苗平均体长达到14.5cm,平均体重16.221g,成活率为74.5％。结果分析表明:在试验C组中采用剁碎的水蚯蚓或卤虫等活饵进行开口培育至平均体长约为8cm时,再进行人工配合饲料转饵驯化的方法,是进行史氏鲟种苗培育的一条较佳技术路线。
From Beijing to introduce Sturgeon fish spent 50,000, the average body length 1.1cm, average body weight 0.0185g, of which 12,000 were divided into three groups were used in three different ways for a 60-day intensive cultivation. The results showed that the average body length of seedlings in group A reached 14.8cm and the average body weight was 19.241g, the survival rate was 37.3%. In group B, the average body length of seedlings reached 14.6cm with the average body weight of 18.776g and the survival rate of 49.8% . The average length of seedlings in experimental group C reached 14.5cm, the average body weight was 16.221g, and the survival rate was 74.5%. The results show that: In the experiment group C using minced earthworms or Artemia and other live bait for the opening culture to an average body length of about 8cm, then artificial feed conversion bait domestication method is carried out Sturgeon Seedling cultivation of a better technology route.