I had two questions about vegetarian food and they are:
(1) Do vegetarians eat egg?
(2) Can vegetarians eat butter?
I search on the internet for the answers and this is what I found on the internet. Now I learned that there are actually several types of vegetarianism, thought of sharing them here. The following information is from the internet.
There are several definitions for vegetarianism.
life-style wherein any dependence on animals is prohibited. It's not
just eating meat, but buying leather shoes, wallets, woolen jackets is
also prohibited. Eggs, milk, honey etc. are all prohibited because
obtaining them involves troubling animals.
the strictest sense, it is to eat only food that is derived out of
plants. In different locations, different non-vegetarian foods are
considered vegetarian. Note that vegetarianism is primarily a dietary
consideration. Most vegetarians (at least in my country, India) do not
have anything against purchasing leather products.
accepts milks apart from plant products. For example, in India milk is
considered vegetarian because it does not involve "killing" (as opposed
to "troubling") animals. However, eggs are not considered vegetarian
(because, in olden days all eggs would fertilize into chickens). Butter
is OK for these.
Ovo vegetarianism accepts egg and its
derivatives but not diary products. Their argument is that industrial
production of milk is extremely cruel because you always keep the cow
pregnant (in order for her to lactate) and separate the calves from the
cow very soon after birth (to "steal" the milk). [In India, until milk
industry was taken over from cow-herd people, they were treated
ethically. Now, that's not the case.] But egg-laying animals can be
genetically modified to lay eggs that do not develop into younger ones
[This sentence is totally lacking in technical terminology.]
vegetarianism accepts eggs and milk. Obviously, their argument is that
so long as you do not "directly" kill an animal for food, it's OK to
depend on them. Butter is OK for these.
accepts fish mostly along with eggs and milk. Their fundamental
consideration against eating non-fish meat is that it is unhealthy,
especially red meat. Pollotarians eat chicken and poultry but not meat from mammals. Pesce-pollotarians eat fish and poultry but not other meats. Most of these consume butter.
one has his/her own argument about what to eat and what not to eat.
Most of the times the decision making factor is: what you've been taught
in your childhood, what you like to eat and how good you are at
convincing yourself that you are doing the right thing although deep
down you know that the argument is not completely valid :)