"Rupert" > wrote

> I wouldn't want to rule out the possibility that there might be some
> dietary choices she might make which are not vegetarian and yet are
> nevertheless just as good as a vegetarian diet

Or better, with respect to health AND negative impact on animals.

> but you haven't given
> her practical guidance about any specific such choice.

Buy local, buy organic. A free range organic chicken from a local farmer
arguably supplies more nutrition per calorie at a lower environmental cost
than an equivalent amount of imported and/or processed plant-based product,
vegetables or fruit.

> In the absence
> of specific practical advice going vegetarian is a good strategy for
> her to reduce her contribution to animal suffering.

Its one strategy, however it carries the risk of nutritional deficiencies in
some people, and it tends to lead to the dreaded "holier than thou"
syndrome. If those pitfalls can be avoided then it has advantages.

> It's also better
> for her health to be vegetarian than not.

Clearly categorically false.