SparklyKatie said:
I don't see it meaning equal share at all. Two different people, one eats 1% plants and 99% meat and another eats 1% meat and 99% plants. They're both omnivores aren't they?
I'm glad that you do not think of it as an equal share. Of course, in a dictionary sense, what you say is true - but I am looking more at how we orient toward such things ideologically. As I said, I think it is similar to the "hunter-gatherer" issue. We generally say "hunter-gatherer" but if we were concerned quantitatively then we would see that it would be far more accurate to say "gatherer-hunter" (some people now prefer the term "forager"

.
The fact that we prefer "hunter-gatherer" has a lot to do, I believe, in our thoughts about self and group image. We are all familiar I'm sure with cave paintings and the storybooks of a gang of (male) humans surrounding and eventually killing a mammoth. That seems to be a far more satisfying image than an alternative which emphasises gathering (and thus women's labour) and which sees the "animal" bit of our early diet as the result of scavaging or finding slugs etc.
My dictionary says of "omnivore": "feeding on a variety of food of both plant and animal origin." With this kind of definition in our heads, it seems easier for us to overemphasise the role of animal produce in the human diet.
Meat eaters are unlikely to latch onto the notion that animal produce is best taken in very small quantities and not all the time - even if there's no ethical question for the individual.
It is thoughts such as these which I think this thread serves to tease out.
rogY