I Like
I like your animation. It looks like it was all drawn in Flash, which means that you spent quite some time working on it if that is the case. I expected the cow to find it's way back to the farm, but the endind is fine as it is.
As a sideline, I don't think they give sedatives to cows before slaughtering them. Sad, but I don't want to be a hypocrite...I like hamburgers too.
P.S. I would like to take a shot at your question in the end. Were you inspired by Samurai Champloo by any chance?