Demonstrates a surgical procedure for implanting radiotelemetry devices in small carp, highlighting stress-free physiological monitoring in freely swimming fish.
Radiotelemetry provides an alternative means of obtaining physiological measurements from conscious and freely moving animals, without introducing stress artefacts. A surgical procedure is described for implanting radiotelemetry transmitters to monitor the electrocardiogram (ECG), heart rate (HR) and body temperature (BT) in small goldfish (Carassius auratus; 50-100 g) and Prussian carp (Carassius auratus gibelio; 100 g). This type of transmitter is commonly implanted in freely moving mice. After surgery and a recovery period of 24 h, the ECG, HR and BT were recorded in freely swimming fish within the limitations of the aquarium.
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Snelderwaard et al. (2006) studied this question.
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