微生态制剂在80∶20池塘养殖中的应用及经济效益分析  

Application and Economic Benefits of Probiotics in 80∶20 Fish Culture Ponds

作　　者：李南充[1] 钟雷[1] 杨克[1] 余平[1] 李远鹏[2] 吉红[1,2] 任同军[3] 

机构地区：[1]西北农林科技大学动物科技学院,陕西杨凌712100 [2]西北农林科技大学安康水产试验示范站,陕西安康725021 [3]大连海洋大学水产与生命学院,辽宁大连116023

出　　处：《水产科学》2015年第4期251-255,共5页Fisheries Science

摘　　要：本试验研究了在80∶20养殖模式池塘中应用微生态制剂的生产效益及经济效益。试验塘两口，面积均为0．13 hm2，水深为1～1．3 m ，放养平均体质量242 g的鲤鱼0．42 kg／m3，160 g鲢鱼和330 g鳙鱼0．07 kg／m3。处理组鲤鱼投喂添加微生态制剂Ⅰ和Ⅱ（每千克饲料各5 mL的饲料，对照组鲤鱼只投喂同样颗粒饲料。40 d和80 d的养殖试验表明，处理组鲤鱼的平均体质量（627 g ）高于对照组鲤鱼（565 g ），质量增加量（8961．67 kg／hm2）较对照组（6319．80 kg／hm2）高2641．87 kg／hm2，增加41．8％；处理组滤食性鲢和鳙质量增加量低于对照组。处理组池水氨氮含量低，p H值正常，溶氧量高；饲料系数（饲料成本）比对照组低7．8％；处理组鱼总产值比对照组增加了36888．90元／hm2。In this study ,production and economic benefits were evaluated in 80∶20 fish culture ponds in which probiotics were applied .Common carp Cyprinus carpio with body weight of 242 g ,silver carp Hy‐pophthalmichthys molitrix with body weight of 160 g ,and bighead carp A ristichthys nobilis with body weight of 330 g were stocked into two test ponds with water surface area of 0 .13 hm2 and depth of 1—1 .3 m at a stocking rate of 0 .42 kg/m3 ,0 .07 kg/m3 ,and 0 .07 kg/m3 ,and fed the diet containing probioticsⅠand Ⅱ at a rate of 5 mL/kg in the experimental pond and the basic diet in the control pond for 40 and 80 days .The results showed that common carp had average body weight of 627 g in the treatment group , higher than the fish in control group （body weight of 565 g ,and body weight gain of 8961 .67 kg/hm2 ） in treatment group ,41 .8% higher than that in the control group （6319 .80 kg/hm2 ） .But there were lower body weight gain in filter feeder silver carp and bighead carp in treatment pond than in the control group . Low ammonia nitrogen level ,appropriate range of pH value ,high DO level and low food conversion ratio were observed in treatment pond ,7 .8% lower food conversion ratio in treatment pond than in the control pond .The total output value was increased by 36888 .90￥/hm2in treatment pond ,higher than that in the control pond ,indicating that the findings provide reference to the application of probiotics in aquaculture .

关 键 词：微生态制剂 80∶20养殖模式 生长性能 经济效益 

分 类 号：S964.3[农业科学—水产养殖]