Preliminary study on heartbeats and swimming behavior of free-ranging fish, red sea bream Pagrus major, measured with newly developed micro data-logger
Preliminary study on heartbeats and swimming behavior of free-ranging fish, red sea bream Pagrus major, measured with newly developed micro data-logger
复制标题
用新开发的微型数据记录仪测量自由放养的真鲷心跳和游泳行为的初步研究
DOI：
--
复制
发表时间：
2003
期刊：
影响因子：
--
通讯作者：
Yasuhiko
中科院分区：
文献类型：
--
作者：
Kojima;Takahito;Kawabe;Ryo;Shirasu;Kunio;Naito;Yasuhiko
为了解真鲷在游泳过程中的生理状态和代谢率，在网笼中对真鲷进行了连续心电图记录。h周期。用微型数据记录仪记录试验鱼的游泳速度、游泳深度和心脏生物电位。在记录游动鱼的心电图时，很难消除电噪声。在本实验中，我们将电极连接到腹侧表面上的两个点，并成功地获得了数据。两种类型的微型数据记录器（一种用于记录心电图，另一种用于记录游泳速度和深度）连接到鱼的背侧。真鲷在一天中的大部分时间里都在网围栏中缓慢地游泳（+总长度/秒），并且停留在更深的地方，除了在黎明前后频繁爆发速度和垂直运动。对心跳变异性的分析表明，代表迷走神经（副交感神经）活动的高频成分只在午夜前后上升。关键词：心电图，电极，心率变异性，自主神经，游泳速度
To estimate the physiological condition or metabolic rate simultaneously with swimming behavior, we recorded a continuous electrocardiogram (ECG) in freely swimming fish, red sea bream Pagrus major, in a net pen during a ,. h period. Swimming speed, swimming depth, and the bioelectric potential of the heart in the test fish were recorded with a micro data-logger. It is di$cult to eliminate electric noise while recording ECGs of actively swimming fish. In the present experiment, we attached electrodes to two points on the ventral surface and successfully obtained data. Two types of micro data-loggers (one for recording ECG and another for swimming speed and depth) were attached to the dorsal side of the fish. The red sea bream swam slowly ( + total length/s) and stayed deeper in the net pen during most of the day, except for frequent burst of speed and vertical movements around dawn. An analysis of heartbeat variability, showed that high-frequency components, representing vagal (parasympathetic) nerve activity, rose only around midnight. key words: ECG, electrode, heartbeat variability, autonomic nerve, swimming speed