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Agricultural Science Paper 2, May/June 2008  
Questions: 1 2 3 4 5 6 7 8 9 10 Main
General Comments
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Question 8

(a) List four methods of identification in cattle production.

(b) State three reasons for carrying out each of the following animal husbandry practices:

(I) Culling of poultry;

(ii) Dehorning of cattle.

(c) Mention the botanical names of four pasture legumes grown in West Africa

(d) State four ways of preserving harvested fish.

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OBSERVATION

This question was poorly attempted by the candidates. In 8(a), most of the candidates could list the methods of identification in cattle production. However, in 8(b)(i & ii), majority of the candidates could not state the reasons for carrying out the culling of poultry and dohorning of cattle.

The expected answer include:

Culling of poultry
  • To remove unproductive birds from the flock
  • To remove diseased birds from the flock to prevent spread of diseases To remove aggressive or cannibalistic birds from the flock
  • To remove pest infested birds from the flock
Dehoming of cattle
  • To reduce the space required by cattle during feeding To ensure that the animals eat more peacefully
  • To enhance the physical appearance of the cattle
  • To ease the transportation of the cattle from one location to another To make handling easy
  • To reduce aggressive tendencies in the flock and reduce injuries to individuals
  • Also in 8( c), most of the candidates could not mention the botanical names of pasture legumes grown in West Africa.

 


        • Calopogonium               muconodies
        • Centrosema                   pubesenes
        • Pueraria                         phaseoloides
        • Stylosanthes                  gracilis
        •  Mucuna                         utilis
        • Crotalaria                       juncea
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