Table 1 Number of individual rats that deteriorate on the day of the endpoint.

From: Body weight algorithm predicts humane endpoint in an intracranial rat glioma model

 

Endpoint

Body weight loss

22/22*

Deteriorated clinical score

22/22*

Species-specific behaviour

Decreased nest complexity

3/9

Less Burrowing

9/14*

Motor related

Decreased distance

10/14

Slower on balance-beam

10/14*

Shorter time on rotarod

8/9

Social behaviour

Decreased total interaction (Duration)

6/8

Decreased total interaction (Frequency)

6/8

Telemetry

Increased heart rate (Light)

4/7

Decreased heart rate(Dark)

4/7

Decreased SDNN (Light)

7/7*

Decreased SDNN (Dark)

6/7

Decreased activity (Light)

5/7

Decreased activity (Dark)

6/7

Increased body temperature (Light)

4/7

Decreased body temperature (Dark)

4/7

  1. SDNN = standard deviation of the heartbeat intervals; *significant differences observed on group level between the second last and the last day.