Vegetarianism as practiced by many, is a life-style. It is a pattern of eating that excludes animal foods to varying degrees. There are several types of vegetarians.
Vegans exclude all animal foods.
Those who include eggs in their diet are called Ovo-Vegetarians and those who include dairy products are LactoVegetarians . The majority of vegetarians include eggs and dairy products and are called Lacto-Ovo . Those who eat all of the above plus fish are Pesco-Vegetarians . Some people who eat poultry also call themselves vegetarians, but as a rule, none of these groups eat red meat. Some vegetarians follow these eating patterns exclusively.