A widely circulated internet meme (see e.g. the oatmeal) states that pig orgasms can last up to 30 minutes.
I've been trying to find any source or reference to back up (or refute) this claim, but haven't been able to find anything.
It seems possible but unlikely
Pig ejaculation certainly does last a long time relative to human ejaculation, and pig ejaculation is measured in minutes, not seconds.
Boar semen is collected to artificially inseminate sows. I found various guides on collecting boar semen which contain estimates for how long one should expect ejaculation to last.
Here is one estimate from the Department of Animal Sciences Purdue University:
So the largest estimate is 15 minutes, then add a possible second ejaculation of 15 minutes, that might be where the 30 minute number came from. Of course it depends on the pig! There does seem to be a large variation. More likely, the slightly more conservative estimates given here are the length of an average pig orgasm.
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