WHEN Betty hit 135kg it was a sign she needed to start watching her weight, and she was put on a strict diet of only a few goats a year.

It's not often people celebrate putting on weight, but in the case of Atomic Betty it has made her keepers very happy. The 6.5 metre reticulated python had her annual health check today.

A cattle producer in the Northern Territory got a shock when she woke up and stumbled on a two-metre olive python eating her work shirt and bra last week.