Jss one Lesson Note Week 4 Livestock Farm

JSS 1 LIVESTOCK FARMING LESSON NOTE

FIRST TERM | WEEK 4: POULTRY HOUSING

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1. Meaning & Importance of Poultry Housing

Poultry housing refers to the structural shelters built to keep birds safe, comfortable, and healthy for maximum growth and egg production.

Primary Purpose:
A good poultry house protects birds from adverse weather, predators, and diseases while facilitating efficient feeding, sanitation, and production management.

Importance of Poultry Housing:

• Protection from Adverse Weather: Shields birds from harsh direct sunlight, heavy rainfall, high winds, and extreme cold.
• Protection against Predators: Keeps away hawks, snakes, rats, stray dogs, and thieves (human predators).
• Disease and Parasite Control: Confines birds to clean areas where biosecurity and sanitation can be easily maintained.
• Convenience in Management: Makes feeding, watering, vaccination, egg collection, and record keeping easier and less labor-intensive.
• Higher Productivity: Comfortable birds expend less energy coping with stress and convert more feed into meat or eggs.

2. Systems of Poultry Housing

Poultry management systems are grouped into three primary categories depending on space, investment, and level of bird confinement:

A. Free-Range System (Extensive System)

• Birds roam freely outdoors during the day in search of food (seeds, insects, green grass) and return to simple overnight night shelters.
• Advantages: Low capital cost; cheap feeding.
• Disadvantages: Low production rate; high egg losses; vulnerable to predators and disease outbreaks.

B. Semi-Intensive System (Fold / Run System)

• Birds are housed in fixed or moveable roosting shelters attached to enclosed outdoor runs or pens.
• Advantages: Better protection than free-range; controlled feeding.
• Disadvantages: Requires more land space per bird; labor-intensive moving of portable folds.

C. Intensive System

Birds are confined 100% indoors inside structured housing. This is the main standard for modern commercial poultry farming and consists of two primary types:

Intensive System	Description	Key Advantages & Disadvantages
Deep Litter System	Birds roam freely on a concrete floor covered with 5–10 cm of absorbent litter material (wood shavings, sawdust, or rice husks).	+ Cheaper set-up cost; comfortable movement. - Higher risk of egg contamination and litter-borne diseases (coccidiosis).
Battery Cage System	Birds (primarily layers) are confined in metal wire cages arranged in tiers with sloped wire floors for automatic egg roll-out.	+ Maximum stocking density; clean eggs; zero floor-egg laying; easy record keeping. - High initial capital investment; welfare concerns (restricted movement).

3. Requirements of a Good Poultry House

1. Proper Orientation: The long axis of the poultry building must run in an East-to-West direction. This prevents direct sunlight from shining directly into the house, keeping temperature stable.
2. Adequate Ventilation: High side mesh openings (drape curtains) to allow continuous airflow, removing moisture, ammonia gas fumes, and excess heat.
3. Good Drainage & Elevation: Built on high ground to prevent flooding and waterlogging during rainstorms.
4. Well-Paved Concrete Floor: Smooth concrete floors prevent rat burrows, water seepage, and allow easy washing and disinfection.
5. Adequate Floor Space: Avoid overcrowding (e.g., 0.1 m² per broiler in deep litter) to prevent cannibalism and slow growth.

4. Materials Used in Building Poultry Houses

• Floor: Reinforced concrete with cement-sand screed.
• Walls: Concrete blocks/bricks (1 to 1.5 meters height from ground), topped with galvanized wire mesh for ventilation.
• Roofing: Corrugated aluminum or galvanized zinc sheets with heat-insulating wooden/asbestos ceiling panels beneath.
• Litter Materials: Dry wood shavings, crushed peanut hulls, or dry rice husks (sawdust is avoided for young chicks to prevent ingestion).

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CLASS EVALUATION & REVISION QUESTIONS

1. List four main reasons why poultry houses are built on agricultural farms.
2. Why is sawdust considered dangerous as a floor litter for newly hatched day-old chicks?
3. Outline two differences between the Deep Litter system and the Battery Cage system.
4. Explain why poultry buildings must be constructed along an East-West orientation.

HOME ASSIGNMENT:
Draw a simple diagram of a open-sided commercial Deep Litter poultry house in your assignment book, labeling the low brick wall, wire mesh, concrete floor, litter layer, and roofing sheet.