Question 2
(a) (i) Give one use of specimen C in animal production. [1 mark]
(ii) Name one nutrient which could be supplied by specimen C in livestock feed. [1 mark]
(b) Mention two products each which could be obtained from each of specimens D, E and F. [6 marks]
(c) (i) List three ways of preventing the growth of specimen E in a calf. [3 marks]
(ii) State four benefits of preventing the growth of specimen E in cattle.
[4 marks]
Observation
Candidates’ performance in Question 2 was impressive. However, some candidates were relating the use of palm oil to humans e.g. for cooking, frying e.t.c. instead of in animal production. Furthermore, some candidates stated the benefits of horns in cattle instead of the benefits of dehorning.
The expected answers include:
2. (a) (i) Uses of specimen C (palm oil) in animal production
- Treating bloat in livestock
- Used as feedstuff ingredient/increase energy value of feed
- To lubricate moving parts of tools/farm implements
- As a binder in feedstuff/reduce dustiness of feed
- To improve taste of feed/improve acceptability of feed
- Supply essential fatty acids to animals
- Antidote to poisoning
(ii) Nutrients supplied by specimen C (palm oil)
- Vitamins
- Minerals
- Fats and oils
(b) Products produced from specimens
(i) Specimen D (Hoof)
- Adhesive/glue - Fertilizer
- Button - Gelatin
- Hoof meal - Plate/bowl
(ii) Specimen E (Horn)
- Musical instrument - Glue/adhesive/gum
- Fertilizer - Button
- Gelatin - Horn meal
- Plate/bowl - Jewellery/bangles
- Ornaments/decoration - Comb
- Knife handle
(iii) Specimen F (Feather)
- Pillow⁄ Mattresses⁄ upholstery stuffing - Writing materials
- Ceremonial cap - Ornaments/decorations
- Feather meal - Feather fan
- Fashion accessories e.g. clothing, mask
(c) (i) Ways of preventing the growth of specimen E (Horn)
- Use of caustic soda - Use of dehorning saw
- Use of elastrator rubber - Use of hot iron
- Breeding method - Use of dehorning knife
- Use of electric dehorner
(ii) Benefits of preventing the growth of specimen E (Horn) in cattle
- To reduce space required by animal for feeding
- To allow easy handling of the animal
- Reduces injury to farmer
- Reduces injury to other animals/themselves
- Eases transportation of animals
- It reduces the risk of being trapped in bushes or fences
- Minimize damage to farm structures