Question

explain the nutrition in grass eating animal

Answer 1

Grass eating animals (herbivores) like the cow, deer, ox, buffalo and sheep swallow the food without chewing. After feeding, they bring the food from the stomach back into the mouth and chew it. This process is called rumination, and such animals are called ruminants.
Animal nutrition focuses on the dietary needs of animals, primarily those in agriculture and food production, but also in zoos, aquariums, and wildlife management. There are seven major classes of nutrients: carbohydrates, fats, fibre, minerals, proteins, vitamins, and water.