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The table below shows the temperature requirements of broiler chickens at various ages - NSC Agricultural Sciences - Question 3 - 2020 - Paper 1
Question 3
The table below shows the temperature requirements of broiler chickens at various ages. | AGE IN WEEKS | TEMPERATURE REQUIREMENTS (°C) | |--------------|-----------... show full transcript
Worked Solution & Example Answer:The table below shows the temperature requirements of broiler chickens at various ages - NSC Agricultural Sciences - Question 3 - 2020 - Paper 1
Step 1
3.1.1 Draw a bar graph showing the temperature requirements of broiler chickens at various ages.
Answer
To create the bar graph:
- Label the x-axis as 'Age in Weeks' and the y-axis as 'Temperature Requirements (°C)'.
- Plot the data points corresponding to the ages and their temperature requirements.
The bars should represent the following data:
- Week 1: 35°C
- Week 2: 30°C
- Week 3: 25°C
- Week 4: 22°C
- Week 5: 20°C
- Week 6: 20°C
- Week 7: 20°C
Ensure that the graph accurately reflects the decreasing trend in temperature requirements as the age increases.
Step 2
3.1.2 Deduce the trend in temperature requirements of broiler chickens.
Answer
The trend in temperature requirements of broiler chickens indicates a decrease in temperature needs as they age. Starting at 35°C for the first week, the temperature requirement decreases gradually to 30°C, followed by further reductions leading to a consistent requirement of 20°C from week 5 onwards. This suggests that younger chickens need warmer environments, while older chicks adapt to cooler conditions.
Step 3
3.1.3 Name the equipment that can be used to maintain the temperature in a broiler house.
Answer
The following equipment can be used to maintain temperature in a broiler house:
- Heaters (including gas or electric heaters)
- Air conditioners
- Fans for circulation
- Infra-red lamps
- Curtains or insulators to retain heat