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close this book Animal husbandry: Feeding and care of animals
close this folder Feeding animals
View the document Why animals must be well fed
View the document How food is used in the animal's body
View the document Not all animals digest food in the same way
View the document How to choose animals' food
View the document Foods that give nitrogen must be chosen
View the document Values of certain foods
View the document What is a mineral supplement?
View the document Vitamins
View the document Giving the animals water to drink
View the document Food needs of animals
View the document How to feed animals

How food is used in the animal's body

Food is digested.

When the animal eats, the food goes into the digestive tract. In the tract the food is changed and digested.

The digested part of the food enters the blood to feed the body. The rest is rejected as excrement.

When the greater part of the food enters the blood, the food is said to be rich.

When the greater part of the food is rejected, the food is said to be poor.

There are rich foods and poor foods.

Examples:

• Millet is rich food for certain animals. They can make good use of it. The greater part of it enters the blood. One kilogramme of crushed millet can give an animal's body as much strength as six kilogrammes of grass.

• Hard, stringy grasses in the dry season are a poor food for animals. The greater part of the dry grass does not enter the blood; it is rejected.