鲶鱼对饲养鱼捕食程度的池塘试验  

Experiment on Catfishes(Parasilurus asotus)Prey upon Reared fishes in pond

作　　者：史为良[1] 宋士文 

机构地区：[1]大连水产学院,辽宁大连116023 [2]内蒙古自治区红山水库,内蒙古赤峰024000

出　　处：《水产学杂志》2004年第1期26-28,共3页Chinese Journal of Fisheries

摘　　要：在清理过的池塘中 ,放入一定量的鲶、鲤、鲫、鲢、鳙等 ,尾数分别为 1 8、 89、70、 49、 5 6尾。 1 0天后 ,把各种鱼彻底捕出 ,计数 ,根据放养数算出存活率。其存活率( % )依次是 :鲢 ( 69 39)、鳙 ( 66 0 7)、鲫 ( 32 2 5 )、鲤 ( 2 2 5 ) ,说明受鲶鱼危害最大的是鲤、鲫 ,而鲢。Some parsilurus asotus,Cyprinus carpio,Carassius auratus,Hypophthalmichty molitrix,Aristichthys nohilis were culture in cleaned pond,the number is 18,89,70,49,56 individual.After ten days,all of them were captured and counterd,calculatered the survival rate according to initial numbers.The survival rate is:Hypophthalmichty molitrix69 39%,Aristichths nohilis66 07%,Carassius auratus32 25%,cyprinus carpio 2 25%.The result indicated that cyprinus carpio was preyed hardlyest by Parasilurus asotus than other specifies.

关 键 词：鲶鱼 饲养鱼 捕食程度 池塘试验 

分 类 号：S965.128[农业科学—水产养殖]