System of Rearing Farm Animals: Intensive, Extensive, and Semi-Intensive Agricultural Science Primary 5 Third Term Lesson Notes Week 6

Subject: Agricultural Science

Class: Primary 5

Term: Third

Week: 6

Topic: System of Rearing Farm Animals: Intensive, Extensive, and Semi-Intensive

Duration: 45 minutes

Behavioural Objectives:

• Identify and explain the different systems of rearing farm animals.
• Evaluate the advantages and disadvantages of each system.

Key Vocabulary Words:

• Intensive
• Extensive
• Semi-Intensive
• Advantages
• Disadvantages

Learning Resources and Materials:

• Lagos State Scheme of Work for Agricultural Science
• Textbook: “Farm Animal Management for Primary 5”
• Visual aids: Pictures of different farming systems

Building Background/Connection to Prior Knowledge:
Recap previous lessons on farm animals and their basic needs, emphasizing the importance of proper care and management. Connect to prior knowledge by discussing different types of farms students might have seen or visited.

Embedded Core Skills:

• Critical thinking
• Analysis
• Evaluation

Content:

System of Rearing Farm Animals: Intensive, Extensive, and Semi-Intensive

Advantages and Disadvantages:

1. Intensive System:
   • Advantages:
     • Animals are kept in confined spaces, maximizing space usage. 🏠
     • High productivity with controlled feeding and breeding. 📈
     • Requires less land and labor compared to extensive systems. 👩‍🌾
   • Disadvantages:
     • Animals may experience stress and health issues due to confinement. 😞
     • High dependency on external inputs like feed and medications. 💊
     • Environmental pollution from concentrated waste.
2. Extensive System:
   • Advantages:
     • Animals have freedom to roam and exhibit natural behaviors. 🌳
     • Low cost as animals graze on natural pasture. 💰
     • Minimal environmental pollution due to natural waste dispersal. 🌿
   • Disadvantages:
     • Lower productivity compared to intensive systems. 📉
     • Requires more land and labor for grazing management. 👩‍🌾
     • Susceptible to predation and diseases.
3. Semi-Intensive System:
   • Advantages:
     • Combines aspects of both intensive and extensive systems. 🔄
     • Higher productivity compared to extensive systems. 📈
     • Allows animals some freedom while still providing control over feeding and breeding. 🌾
   • Disadvantages:
     • Requires more management compared to extensive systems. 👩‍🌾
     • Higher initial investment compared to extensive systems. 💰
     • Risk of disease transmission from confined spaces. 🦠

By understanding these different systems, farmers can choose the one that best suits their resources and goals. 🚜🐄🌱

Evaluation

1. The intensive system of rearing farm animals maximizes ________.
   • a) space usage
   • b) freedom for animals
   • c) natural behaviors
   • d) environmental benefits
2. Animals in the extensive system have the freedom to ________.
   • a) roam and graze
   • b) stay confined in cages
   • c) eat only processed feed
   • d) receive constant medical care
3. The extensive system is advantageous because it requires ________ land and labor.
   • a) less
   • b) more
   • c) no
   • d) unpredictable
4. Animals in the intensive system may experience stress due to ________.
   • a) freedom to roam
   • b) controlled feeding
   • c) confinement
   • d) natural behaviors
5. The extensive system is susceptible to ________ and diseases.
   • a) higher productivity
   • b) lower productivity
   • c) environmental pollution
   • d) predation
6. In the intensive system, animals depend heavily on external inputs like ________.
   • a) natural pasture
   • b) fresh air
   • c) processed feed
   • d) sunshine
7. Semi-intensive systems combine aspects of both ________ and ________ systems.
   • a) intensive, extensive
   • b) semi-intensive, extensive
   • c) extensive, natural
   • d) controlled, free-range
8. The extensive system has minimal environmental pollution due to ________.
   • a) natural waste dispersal
   • b) confinement
   • c) controlled feeding
   • d) limited space
9. The intensive system requires ________ land compared to the extensive system.
   • a) less
   • b) more
   • c) the same amount of
   • d) unpredictable amounts of
10. Semi-intensive systems provide some freedom for animals while still controlling ________ and ________.
    • a) feeding, breeding
    • b) space usage, land
    • c) labor, costs
    • d) water, air
11. The extensive system is advantageous because animals graze on ________.
    • a) processed feed
    • b) natural pasture
    • c) concrete floors
    • d) cages
12. Animals in the intensive system are kept in confined spaces, maximizing ________.
    • a) freedom
    • b) environmental benefits
    • c) space usage
    • d) natural behaviors
13. The semi-intensive system requires ________ compared to the intensive system.
    • a) less management
    • b) more management
    • c) the same amount of management
    • d) unpredictable amounts of management
14. Animals in the extensive system have minimal stress due to ________.
    • a) confinement
    • b) controlled feeding
    • c) freedom to roam
    • d) dependency on external inputs
15. The extensive system is advantageous because it has minimal ________.
    • a) productivity
    • b) environmental pollution
    • c) land and labor requirements
    • d) diseases

Class Activity Discussion 

1. What are the different systems of rearing farm animals?
   • The different systems are intensive, extensive, and semi-intensive.
2. What is the advantage of the intensive system?
   • It maximizes space usage and allows for controlled feeding and breeding.
3. Why might animals in the intensive system experience stress?
   • They may experience stress due to confinement in confined spaces.
4. What is a benefit of the extensive system?
   • Animals have the freedom to roam and graze on natural pasture.
5. What is a disadvantage of the extensive system?
   • It is susceptible to predation and diseases.
6. Why do animals in the intensive system depend heavily on external inputs?
   • They depend on external inputs like processed feed and medications.
7. What is the advantage of the semi-intensive system?
   • It combines aspects of both intensive and extensive systems, providing some freedom for animals while still controlling feeding and breeding.
8. How does the extensive system minimize environmental pollution?
   • It has minimal environmental pollution due to natural waste dispersal.
9. What is a disadvantage of the semi-intensive system?
   • It requires more management compared to the extensive system.
10. Why is the extensive system advantageous in terms of cost?
    • It is low cost as animals graze on natural pasture, reducing the need for external inputs.
11. What is the disadvantage of the extensive system in terms of productivity?
    • It has lower productivity compared to the intensive system.
12. What is a key advantage of the intensive system in terms of space usage?
    • It maximizes space usage by confining animals in small spaces.
13. How does the semi-intensive system balance freedom and control for animals?
    • It provides some freedom for animals while still controlling aspects like feeding and breeding.
14. Why might animals in the extensive system have minimal stress?
    • They have minimal stress because they have the freedom to roam and graze.
15. What is a key disadvantage of the intensive system in terms of environmental impact?
    • It may lead to environmental pollution due to concentrated waste.

Presentation:

Step 1: The teacher revises the previous lesson on caring for farm animals.

Management of Farm Animals Feeding, Record Keeping, Sanitation, etc Agricultural Science Primary 5 Third Term Lesson Notes Week 5

Step 2: The teacher introduces the new topic of different systems of rearing farm animals: intensive, extensive, and semi-intensive.

Step 3: The teacher explains the advantages and disadvantages of each system, encouraging students to think critically about which system might be best for different situations.

Teacher’s Activities:

• Guide students through understanding each system and its characteristics.
• Facilitate discussions on the advantages and disadvantages of each system.
• Correct any misconceptions and provide additional examples as needed.

Learners’ Activities:

• Listen attentively to the teacher’s explanations and ask questions for clarification.
• Participate in discussions by sharing their thoughts on each system.
• Analyze and evaluate the information presented to determine which system might be suitable for different scenarios.

Assessment:

• Observe students’ participation and understanding during discussions.
• Review written responses to questions related to the advantages and disadvantages of each system.

Evaluation Questions:

1. What are the three main systems of rearing farm animals?
2. Describe the intensive system of farming.
3. What are the advantages of the extensive system?
4. Explain why animals in the intensive system may experience stress.
5. How does the semi-intensive system balance freedom and control for animals?
6. What is a key disadvantage of the extensive system in terms of productivity?
7. Why might the intensive system require more external inputs?
8. How does the extensive system minimize environmental pollution?
9. What is a disadvantage of the semi-intensive system in terms of management?
10. Why might animals in the extensive system have minimal stress?

Conclusion:
The teacher goes around the class to assess students’ understanding and provide feedback on the lesson. Encourage students to apply what they’ve learned to analyze different farming scenarios. 🚜🐄🌱

Exploring Farming Methods: Intensive, Extensive, and Semi-Intensive for Primary 5