Re: @ Greg D
It is wrong to state that children fed on a vegan diet WILL suffer injury, as there are many counter-examples. It is possible to do, although it requires some care.
Of course, that is also true of a diet containing meat. It is possible to do well, but then (even in Italy) the rise of obesity is well documented and ongoing. There are some cases, of course, of children being undernourished. But the opposite is much more common and, also, life threatening.
The bill in question appears to be grandstanding, rather than a serious attempt to provide careful consideration to legal consequences for giving a poor diet to your children. Even if the aim were a sensible one, this would be very hard to legislate for without a lot of thought and consideration.