This question was quite popular among the candidates.  In 7(a-b), most of the candidates were able to list intensive systems of poultry management and state the advantage and disadvantage of intensive systems of poultry management.  However, quite a number of the candidates were unable to state the functions of vitamins, proteins and carbohydrates in the diet of farm animals as required in 6(c). Also, most of them were able to enumerate the signs of heat in farm animals as required in 6(d).

The expected answers include:
7(c)   Functions of nutrients in the diet of farm animals

1. Vitamins

            -    Regulate metabolic activities (Vit. B)
       -    Essential for healthy growth
       -    Help in the clotting of blood (Vit. K)
       -    For fertility in farm animals (Vit. E)
      -     For proper vision/eye sight (Vit. A)
      -     For bone and teeth formation (Vit. D)

1. Proteins

          -    Help in tissue formation
 -    Essential in cell maintenance
 -    Repair of worn-out tissues
 -    Help in egg, milk and blood production
 -    Very essential in the growth of young animals
 -    Essential in the formation of enzymes
 -    Provide structural body building units for growth
 -    Essential in the formation of oxygen-carrying pigment of the
       blood(haemoglobin)
 -    For the development of protective covering such as hooves, hair, horn
      and feathers 
 -    Production of antibodies and hormones

1. Carbohydrates

-    Production of energy
-    Can be converted and stored as fat
-    Help in milk production