animal nutrition Archives - Free ZIMSEC & Cambridge Revision Notes

Products of digestion and the Absorption and Assimilation processes

By garikaib|2022-09-15T12:41:45+02:00August 24th, 2015|Notes, O Level Science Notes, Ordinary Level Notes|

Human nails, one of the products of assimilation. Image credit arithmaroo.com

Human nails, one of the products of assimilation. Image credit arithmaroo.com ZIMSEC O Level Combined Science Notes:Products of digestion and the Absorption and Assimilation processes

After food has been digested in can now be used.
The end products ( which would […]
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Poultry and Rabbit feeds
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Poultry and Rabbit feeds

Notes, O Level Science Notes, Ordinary Level Notes

Poultry and Rabbit feeds

By garikaib|2022-09-15T12:41:46+02:00August 22nd, 2015|Notes, O Level Science Notes, Ordinary Level Notes|

ZIMSEC O Level Combined Science Notes: Poultry and Rabbit feeds

Chickens

Food forms the major part of costs when rearing poultry for eggs and meat.
It is therefore vital that the poultry feed is obtained, mixed and given to chickens in the most economic and cost saving way.
The range of feed and the composition of the diet depends on […]
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The enzyme amylase

By garikaib|2022-09-15T12:41:47+02:00August 22nd, 2015|Notes, O Level Science Notes, Ordinary Level Notes|

Starch food. Image credit eurofins.com

Starch food. Image credit eurofins.com ZIMSEC O Level Combined Science Notes: The enzyme amylase

Energy in cells is obtained by breaking down food molecules during the respiration process.
The chemical reactions involved are carried out by enzymes.
Enzyme molecules also break down food molecules in the digestive system and […]
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The digestion process

By garikaib|2022-09-15T12:41:49+02:00August 19th, 2015|Notes, O Level Science Notes, Ordinary Level Notes|

digestive_system_-min

The digestive system of a human being. Image credit MediaWiki ZIMSEC O Level Combined Science Notes: The digestion process

Food is broken down in the alimentary system from large pieces/molecules into smaller molecules.
The food most mammals ingest is in large pieces e.g. leaves, grass, cake, meat etc.
All […]
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Growth and Development in Animals

By garikaib|2022-09-15T12:41:49+02:00August 19th, 2015|Notes, O Level Science Notes, Ordinary Level Notes|

A day old chick. Image credit 21food.com

A day old chick. Image credit 21food.com ZIMSEC O Level Combined Science Notes: Growth and Development in Animals.

Animals use some of the energy from the food they eat to grow.
During the growth process an animal changes and matures into an adult.
This process is […]
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Digestive systems of cows and rabbits

By garikaib|2022-09-15T12:41:50+02:00August 19th, 2015|Notes, O Level Science Notes, Ordinary Level Notes|

Cows. Image credit creativeblogs.net

Cows. Image credit creativeblogs.net ZIMSEC O Level Combined Science Notes: Digestive systems of cows and rabbits

Cows and rabbits are examples of herbivores.
They feed on plants e.g. grass and leaves.
Pant structures contain a large amount of cellulose which cannot be digested easily.
Cellulose is a fibrous carbohydrate.
Much […]
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Alimentary Systems

By garikaib|2022-09-15T12:41:50+02:00August 16th, 2015|Notes, O Level Science Notes, Ordinary Level Notes|

The human digestive system. Image credit airurbano.com

The human digestive system. Image credit airurbano.com ZIMSEC O Level Combined Science Notes: Alimentary Systems

Unlike plants, animals are just consumers and cannot make their own food.
They rely on plans as producers.
Most of the food eaten is made up of large insoluble molecules which […]
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August 2015

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