摘要
为筛选适合岩虫Marphysa sanguinea生长及产卵的生物饵料,以菲律宾蛤仔肉(A组)、近江牡蛎肉(B组)、南极磷虾(C组)为生物饵料,经6个月投喂,比较3种生物饵料对岩虫生长率、产卵时间、产卵量、产卵次数、平均卵径和平均孵化率的影响,评价不同生物饵料对岩虫的生长和繁殖性能的影响。结果表明:各饵料组的成活率均为100%;增重率和特定生长率均为A组(135%和0.475%)>B组(112%和0.417%)>C组(106%和0.401%);B组初次产卵时间最早,且平均产卵量最高(2319粒·对^(-1))。各试验组平均卵径差异不显著(P<0.05),卵径范围约为:275~285μm;各组平均孵化率:B(90.67%)>A(86.33%)>C(76.00%)。综合表明:菲律宾蛤仔肉较适作为岩虫日常投喂饵料,近江牡蛎肉适宜开发为岩虫亲本强化的生物饵料。
In order to screen the biological baits suitable for the growth and egg deposition of Marphysa sanguinea,Ruditapes philippinarum(group A),Ostrea rivularis Gould(group B)and Euphausia superba(group C)were used as the biological baits.After 6 months of feeding,the effects of three kinds of biological baits on the growth rate,egg deposition time,egg deposition amount,egg deposition times,average egg diameter and average hatching rate of Marphysa sanguinea were compared,and the effects of different biological baits on the growth and reproduction performance of Marphysa sanguinea were evaluated.The results showed that:the survival rate of each bait feed group was 100%.The weight gain rate and specific growth rate were both group A(135%and 0.475%)>group B(112%and 0.417%)>group C(106%and 0.401%).The primary egg-laying time of group B was the earliest,and the average egg-laying amount was the highest(2319 eggs/pair).There was no significant difference in the average egg diameter among the experimental groups(P<0.05),with the egg diameter ranging from 275 to 285μm.And the average hatching rate of each group was B(90.67%)>A(86.33%)>C(76.00%).In summary,the test results showed that Ruditapes philippinarum was more suitable as the daily feeding bait for Marphysa sanguinea,and Ostrea rivularis Gould was suitable to be developed as the biological bait for the parental enhancement of Marphysa sanguinea.
作者
周洪磊
林国明
陈志
李钧
ZHOU Hong-lei;LINGuo-ming;CHEN Zhi;LI Jun(Fujian Yangze Marine Biotechnology Co.Ltd.,Fuzhou,Fujian 350603,China;Institute of Oceanology,Chinese Academy of Sciences,Qingdao,Shangdong 266071,China;Fujian Freshwater Fisheries Research Institute,Fuzhou,Fujian 350025,China)
出处
《福建农业科技》
CAS
2023年第7期36-40,共5页
Fujian Agricultural Science and Technology
基金
福建省科技厅STS计划配套项目(2020-T3013)。
关键词
岩虫
饵料营养
繁殖
卵质量
Marphysa sanguinea
Bait nutrition
Propagation
Egg quality
