(a) Define the term digestion in farm animals. (b) in a tabular form, give four differences between the digestive systems of a chicken and a goat (c) List f...

(a) Definition of digestion

Digestion is the process by which large, complex, insoluble food substances are broken down (mechanically and chemically by enzymes) into simple, soluble and absorbable forms in the alimentary canal of the animal.

(b) Four differences between the digestive systems of a chicken and a goat

(c) Five methods of improving rangeland

• Controlled/rotational grazing.
• Reseeding with improved forage species.
• Application of fertilizer or manure.
• Weed control.
• Irrigation and controlled burning.

(d) End product of digestion of each nutrient

• (i) Carbohydrate: glucose (simple sugars).
• (ii) Protein: amino acids.
• (iii) Fat and oil: fatty acids and glycerol.

(e) Four functions of proteins in farm animals

• Growth and building of body tissues.
• Repair of worn-out tissues.
• Formation of enzymes and hormones.
• Production of antibodies for immunity (and of milk and eggs).

(f) Two digestive enzymes found in the small intestine of a pig

• Trypsin
• Lipase (also maltase and pancreatic amylase)