Thanks for your input.
It would be connected to a PC, possibly move it every few days to get readings, also we'd need to power it in between anyway.
That Seneye device would do it but it's too expensive
I think the 4 Port USB 2.0 over Gigabit IP Server would do it...
I like pigs.
Dogs look up to us. Cats look down on us. Pigs treat us as equals.
Sir Winston Churchill