This question was quite popular among the candidates.  In 7(a), majority of the candidates could state four benefits derivable from animal production.  Most of them were also able to list four types of equipment used in poultry production as required in 7(b).  However, in 7(c), majority of the candidates could not name four parts of the digestive system of chicken and give one function of each named part.

The expected answers include:

  (c)         Parts of the digestive system of Chicken and Function

                                Parts                                                      Function

• Oesophagus/gullet                         -   Passage of food to the crop
• Crop                                                      -   Storing and moistening of food
• Proventriculus                                     -   Secrets digestive juice
• Gizzard/ventriculus                           -   Churning and grinding of food mechanically
• Pancreas                                                -   Secretes juice that aids digestion                       Duodenum                                           -   Emulsification of fats by bile

                  -   Breakdown of protein

• Small intestine                                    -   Digestion and absorption of food takes place here
• Liver                                                        -   Secretes bile that aids digestion
• Large Intestine                                    -   Absorption of water from the digested food