I recently lost one of my horses. He had to be euthanized due to untreatable colic. His heart rate was up to 100, which was the vets explanation why he reacted fairly violent to the overdoses of anesthesia they gave him to put him to sleep.
I asked them afterwards why they didnt sedate the horse before giving the deathly drug which would have been in my thinking much more humane.
The vet said: Oh. Sorry, and looked at me sad, Thats how we usually do it.
Is that so? Do you have any experience like that? I always was under the impression that horses are sedated first to avoid a cruel fight.