They found that dogs who consumed a diet supplemented by plant and vegetable material ate grass as often as those who had no plant material in their diet. (dogfood.co)
«This is the first time anybody has tried to find vegetable material on them,» she says. (newscientist.com)
Lab blocks are made from grains, cereals and dried vegetable material that are pressed into solid blocks. (smallanimalchanel.com)