At the time of study, the rats were anaesthetised by an intraperitoneal injection of pentobarbitone sodium 50 mg/kg (Sagatal, May & Baker Ltd). Through a midline incision the portal vein was exposed, ...

For really large fish, he tells me, “ typically use Pentobarbitone or another drug injected intravenously. Euthanising a three metre long shark is no easy feat.” Interestingly, in the world of ...