Explanation

(a) Main food nutrients obtainable from specimen Q (Bone Meal) and S (Catfish);

Specimen Q ;

• Calcium
• Phosphorus

Specimen S;

• Protein
• Fats and Oil

(b) Functions of the main nutrients obtainable from specimen s (Catfish)

Proteins;

• For growth and bodybuilding
• Repair of damaged tissues
• Replacement of worn-out body tissues
• Synthesis of enzymes, hormones and other body fluids
• Formation of animal products such as milk, eggs, wool, fur, feather,

Fats and oil;

• For insulation/conservation of body heat
• Act as carriers of fat-soluble vitamins/solvent for vitamins A, D, E and K
• Protects organs such as intestines, kidneys
• Source of energy
• Medicinal
• Provision of essential fatty acids

(c) Farm animals from which specimens Q(Bone meal) could be obtained

• Cattle
• Sheep
• Goat
• Pig
• Rabbits
• All classes of poultry

(d) Disadvantages of using the ingredient prepared from dried animal blood (blood meal) in compounding livestock feed

• Could be a source of disease infection
• Invites a lot of flies-Has low palatability
• Easily contaminated/adulterated
• Poor storage ability
• Repulsive odour

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