A good cleaning regime is essential, we use commercial teat wipes which clean the udder and your hands, but we drink our milk raw, make kefir and cheese from raw milk as well as ice cream, although that gets pasteurised in the process. Also used in soaps.
Keeping things cold certainly helps to...
I have recently dealt with a few of our own ram lambs, about 7 months old and fully intact, and they taste fine. The local method, which I follow as I only learnt how to do it this year, is to stun, cut off the crown jewels then bleed from the neck. Now I don't know if this method stops any...
Scraping is the norm here in Poland, a 50l pot of boiling water and a sharp knife (even a cut throat razor will do). Pour the water on a small area and scrape, the whole process takes about 30 minutes. Lets face it you can't beat a bit of crackling on your roast :) Also I can't imagine a bacon...