SS 2 Third Term Agricultural Science Lesson Note – Animal Nutrition

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THIRD TERM S.S 2

SUBJECT: AGRICULTURAL SCIENCE

TOPIC: ANIMAL NUTRITION

CONTENT:

• Meaning of animal nutrition
• Classification of feeds
• Basal/ energy feeds or carbohydrate
• Protein concentrate
• Mineral / vitamins supplement
• Roughages
• Sources and functions of food nutrients
• Types of ration/diet and their uses: – components of a balanced diet
• Causes and symptoms of malnutrition and their correction in farm.

 SUB TOPIC 1: Meaning of animal nutrition

• Classification of feeds
• Basal /energy feeds or carbohydrates
• Protein concentrate
• Mineral / vitamins supplement

MEANING OF ANIMAL NUTRITION

Animal nutrition is the science of which studies the food requirement of animals.

Food is the major requirement of the body for substance and maintenance of all physiological, anatomy and pathological functioning.

When food is lacking the body becomes lifeless. Hence the study of food is very important. Food given to livestock is called feed.

The feed is needed for (a)energy, growth repair of worn-out tissues and general good health of the animals.

A nutrient is any element or compound present in the food required by the animal for proper body functioning.

A feed is any food substance which when fed to animals is capable of providing some of the nutrients necessary for up keep to that animal.

Nutrition is defined as the science of feeding and nourishes the body. It is the series of processes by which an organism takes in or ingests, digest and assimilate food for promoting growth and for the replacement of worn-out tissues.

Animal nutrition can then be defined as the science of feeding animal with an appropriate diet capable of nourishing the animal for growth development reproduction and repairs of worn-out tissue.

Therefore, the ingredients used for making the feeds must have the following nutrients in adequate quantities and required proportions.

(a) Carbohydrate

(b) Protein

(c) Vitamins

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