Agricultural Sciences Grade 12,2021BEST STUDY GUIDE

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Overview Animal nutrition and digestion Animal digestion and nutrition Animal nutrition TOPIC 1 Page 2 UNIT 1 Page 3 ∙ Digestion in non-ruminants • Digestion in ruminants • Digestion in... the rumen ∙ Components of feed • Digestibility of feed • Quality of feed: biological value of proteins • Energy value of feed • Nutritive value and nutritive ratio • Types of feed • Subdivision of feeds • Feed supplements • Planning a feed flow programme • The alimentary canal • Functions and adaptations of various structures of the alimentary canal • The internal structure of the ruminant alimentary tract Digestion in nonruminants and ruminants UNIT 2 Page 6 All about feed and feed flow planning UNIT 3 Page 12 Unit XX © Via Afrika Publishers » Agricultural Sciences 12 Study Guide eBook 3 Unit 1 1 The alimentary canal The alimentary canal is the passage along which food passes through the body. ● The canal contains a series of organs of the body involved in digestion. ● The alimentary canal also absorbs water and excretes parts of food that cannot be digested. ● The external structure of the alimentary canal of ruminants and non-ruminants is different. Alimentary canal of a ruminant: External structure Cows and sheep are examples of ruminants. Their alimentary canal consists of the following organs: mouth, oesophagus, forestomach, the abomasum and the large intestine. [Show More]

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