On 2015-10-27 21:39:00 +0000, Ophelia said:

>> What I bought is labeled both "Boston butt roast" AND pork shoulder.
>
> <g> It took me a while to work out that US butt is actually Shoulder)
>
> I could never figure out how you can have a butt on your shoulder ...

For a pig I think the shoulder on the front legs is not dramatically
different from the shoulder on the back legs. Just my rationale...