Describe advantages and disadvantages of intensive livestock production
Intensive livestock systems keep animals at high density and manage feeding and conditions closely; output and efficiency must be weighed against welfare and health concerns.
Section 20.1 · Food supply
Exam scope and assessment notes
Core and Extended · Biology 0970, 2026–2028. Use the stated specimen features and evidence. Diagrams are schematic. Written practice is self-checked; human subject-teacher review, supervised practical competence and cumulative assessment remain pending. Cambridge states that IGCSE 0970 has the same subject content as IGCSE 0610, with 9–1 grading. This StudyForA pathway maps the 2026–2028 syllabus only. This 9–1 graded qualification is available only in a limited number of administrative zones. Confirm that your centre can enter you for this code and exam series with Cambridge International. Cambridge has published a separate syllabus for 2029. StudyForA has not reconciled that version yet; this page supports exams in 2026, 2027 and 2028 only.
Before you begin
- Know that crop and livestock production depend on both management and environmental conditions.
Work on paper. Try each question before revealing help, and explain why your method works.
Quick readiness check
What is commonly high in an intensive livestock system?
What you will learn
- Describe advantages of intensive livestock production
- Describe disadvantages and use context-specific evidence
Describe production advantages
Intensive livestock production keeps many animals in a relatively small managed area and provides controlled feeding and conditions. This can make it easier to monitor animals and coordinate production, and it can produce a large amount of food from the managed unit.
The actual output per area or per amount of feed depends on the animal, system and measure. Do not assume every intensive system is automatically more efficient than every alternative.
Describe disadvantages and weigh evidence
High stocking density can raise animal-welfare concerns and can make disease control important. Feed, energy, water and waste management also require resources. The degree of each concern depends on housing, management, species and conditions.
A fair comparison should state the production outcome and the cost or concern being assessed. Do not infer a particular welfare outcome or disease rate without information about the animals and management.
Pause and explain
A system produces more food per building. What additional measure would support a claim of greater feed efficiency?
Worked example
A report says an intensive unit produces more eggs per building but gives no information about feed use or animal care. State one supported advantage and one information gap.
Show the worked solution
- The report gives output per building.
- It does not give feed use or care conditions.
Answer The unit produces more eggs per building, which is a production advantage at that scale. The report does not show output per amount of feed or establish the welfare conditions of the animals.
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Give one possible advantage and one disadvantage of intensive livestock production.
Give me a hint
Include production and a possible concern.
Compare my reasoning
- Controlled feeding and conditions can coordinate production.
- High stocking density can raise welfare or disease-management concerns.
Controlled feeding and conditions can support coordinated, high-volume production. A possible disadvantage is that high stocking density can raise animal-welfare concerns and make disease management more important; the outcome depends on the system.
Look for these in your work
- Advantage stated
- Disadvantage qualified
A small unit produces 900 kg of food using 1,500 kg of feed. An intensive unit produces 1,200 kg using 2,400 kg of feed. Which produces more total food, and which produces more food per kilogram of feed?
Give me a hint
Calculate output divided by feed for each unit.
Compare my reasoning
- Small: 900 ÷ 1,500 = 0.60 kg food per kg feed.
- Intensive: 1,200 ÷ 2,400 = 0.50 kg food per kg feed.
The intensive unit produces more total food, 1,200 kg. The small unit produces more food per kilogram of feed in these data: 0.60 compared with 0.50 kg/kg. Total output and feed efficiency are different measures.
Look for these in your work
- Total output compared
- Feed denominator used
Why is “intensive livestock is always more efficient” too broad?
Give me a hint
Ask which output and input are being compared.
Compare my reasoning
- Efficiency needs a named denominator such as feed, land or energy.
- Results depend on animals and management.
Efficiency depends on the chosen output and input, such as food per kilogram of feed or per unit of land. Different species and management conditions can give different comparisons, so the word “always” is not supported.
Look for these in your work
- Efficiency defined
- Context dependence explained
Common mistakes
- Assuming high output proves high efficiency
- Treating every intensive system as identical
- Describing a welfare result without evidence
What can you explain now?
What is commonly high in an intensive livestock system?
Compare with the explanation
The number of animals in a managed area
High stocking density is characteristic.
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Make it stick
Name one possible production advantage and two possible disadvantages of intensive livestock production, keeping each claim tied to conditions.
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