> a nursing sow in a farrowing crate is able only to stand or lie down, her teats protruding into a separate section where her piglets are kept.<p>A nursing sow without constraint often injures or kills some of the piglets while trying to care for them, especially new mothers and when the piglets are tiny. I'm not fond of caging animals their entire lives; either; but there's a real reason beyond arbitrary cruelty or even pure efficiency that these things are being done.<p>But of course we can't let such things as the misuse of facts detract from "The Socialist Feminist Case for Animal Liberation"