1.   At the end of each experiment rats were killed by cervical dislocation and the abdomen was opened immediately.

2.   At the end of the experiment the rats were killed by intracardiac injection of sodium pentobarbitone and exsanguination.

3.   The rats were then killed, and all these segments were counted in a Capintech radioisotope dose calibrator.

4.   Rats were killed by cervical dislocation under anaesthesia one hour after the instillation of acid.

5.   Sixty minutes after the last pulse, the rats were killed and their duodena subjected to evaluation of the mucosal lesions as detailed above.

6.   Another time his mother killed a rat in the bathtub.

7.   At most, Balun faced a small fine for killing the rat while it was trapped in a squirrel cage.

8.   Disney would kill a rat for this kind of loyalty.

9.   Each pouch holds hundreds of pellets, but just three are enough to kill one rat.

10.   Humans kill rats.