论文部分内容阅读
鲟鳇鱼属大型鱼类,其生长速度快,抗病力和适应力强,池塘养殖鲟鳇鱼时应注意以下几个问题:1.池塘条件池塘面积以5~10亩为宜,水深2~3m,水质较稳定,水体溶氧量在5mg/L以上。池底平坦,无渗漏,淤泥层小于5cm,有条件可在池底铺一层1~2cm粒径的河沙。配备一台水车式增氧机,并设置饲料台。2.清塘消毒放苗前半个月,池塘进水15~20cm深,每亩用100~150kg生石灰对水全池泼洒,以消灭水中有害生物。池塘浸泡3~4天后,再进水浸泡池底,进水口用60目筛过滤。放苗前
Sturgeon is a large fish, its growth rate, disease resistance and adaptability, the pond breeding sturgeon fish should pay attention to the following questions: 1. Pond pond area of 5 to 10 mu, water depth 2 ~ 3m, water quality is more stable, dissolved oxygen in water 5mg / L or more. Bottom of the flat, no leakage, silt layer is less than 5cm, the conditions can be shop in the bottom of a layer of 1 ~ 2cm particle size river sand. Equipped with a waterwheel aerator, and set the feed station. 2. Qing Tong disinfection Fangmiao half a month ago, the pond water 15 ~ 20cm deep, with 100 ~ 150kg per acre of lime on the water Quanchiposa, to eliminate water pests. Pond soak 3 to 4 days, then into the water soaking bottom, inlet 60 mesh sieve. Fangmiao ago