Some sects of Hinduism for example Vaishnavism Stick to the purest type of vegetarianism as a perfect whilst Shaktism and Tantric sects freely eat chicken, mutton (goat and sheep meat), fish and eggs. The explanations stated by Jains and Vaishnavas are: the basic principle of nonviolence (ahimsa) applied to animals;[181] https://www.cureayu.com/blogs/lifestyle/how-much-calories-burn-in-a-day