水生态学杂志2026，Vol.47Issue(4)：275-285,11.DOI:10.15928/j.1674-3075.202403110068
凡纳滨对虾蜕皮周期摄食声学参数特征
Acoustic Characteristics of Feeding Behavior During the Molting Cycle of Litopenaeus vannamei
摘要
Abstract
The whiteleg shrimp,Litopenaeus vannamei,is one of the major aquaculture species in Chi-na.Aquacultural production has continuously expanded and optimizing feed rations has both economic and environmental benefits.The molting cycle,a periodic process that occurs throughout the life of shrimp,is one of the most crucial factors in feed quantity regulation and assessing growth status.In this study,we investigated the feeding behavior of L.vannamei during molting and analyzed four characteris-tics of the feeding acoustics of L.vannamei during different molting stages using passive acoustic technol-ogy.L.vannamei of body length 7-9 cm and from different breeding bases were selected for research,and sound of test shrimp feeding throughout the molting cycles was captured using underwater microphones.By analyzing the sounds of L.vannamei feeding at different molting stages,we were able to classify the feeding sounds corresponding to different molting stages.Using the feeding sound characteristics during the inter-molt stage as the reference for normal feeding behavior,we analyzed the feeding sound character-istics during the pre-molt,inter-molt and post-molt stages,including the maximum sound pressure ampli-tude,dominant frequency,pulse duration,and the number of feeding sound signals.Compared to the inter-molt stage,the feeding sounds of the pre-molt and post-molt stages of L.vannamei were characterized by a significantly lower maximum pressure amplitude,a markedly increased dominant frequency,and a sig-nificantly lower number of feeding sounds,with no clear difference in the duration of individual pulse sig-nals.In conclusion,these research findings show that the maximum sound pressure amplitude,dominant frequency,and the number of feeding sounds can serve as acoustic surrogates for monitoring feeding behavior during the molting cycle of L.vannamei.Our results also provide data support and contribute to the theoretical foundation for innovative aquaculture feeding equipment and related applications.关键词
凡纳滨对虾/蜕皮周期/被动声学技术/摄食发声信号/声学参数Key words
Litopenaeus vannamei/molting cycle/passive acoustic technology/feeding sounds/acoustic parameters分类
农业科技引用本文复制引用
张丽珍,孟雄栋,李延天,马琨,张永琪,吴迪..凡纳滨对虾蜕皮周期摄食声学参数特征[J].水生态学杂志,2026,47(4):275-285,11.基金项目
上海市现代农业产业技术体系资助(沪农科学字[2022]第5号) （沪农科学字[2022]第5号）
上海市科技兴农技术创新项目(2022-02-08-00-12-F01096) （2022-02-08-00-12-F01096）
国家重点研发计划蓝色粮仓科技创新专项(2019YFD0900401) （2019YFD0900401）
上海市水产动物良种创制与绿色养殖协同创新中心项目(2021科技02-12). （2021科技02-12）
