Page 322 - Primary Five Science

2. Intensive system

This is where a farmer keeps pigs in a closed place or room

where they are fed

Advantages of intensive system

 Farmer gets good carcass quality

 The animals are free secure from predator and thieves

 The pigs grow faster (gain weight) increasing farmers yield

 The animals gets enough food

 The animals do not destroy people’s crops

 There is better disease control

Disadvantages of Intensive system

 It is labour intensive (too much work)

 It is expensive providing the animals with feeds, treatment

and shelter

 It is hard to control airbourne diseases