Step 1: Understanding the Concept:
Environmental and equipment management in a poultry house is critical to optimize bird comfort, prevent disease, and maintain high performance across different seasons.
Step 2: Detailed Explanation:
Let us analyze each statement to determine its validity:
- Statement (A): In a poultry house, waterers are typically positioned slightly higher than or level with the back of the birds to prevent spillage and wet litter, whereas feeders are positioned at the level of the bird's breast.
This structural setup means waterers are generally positioned higher than feeders, making Statement (A) correct.
- Statement (B): During hot summer months, chickens rely on evaporative cooling (panting) to release body heat, which increases their water consumption by 2 to 3 times.
To prevent crowding and dehydration, the water space must be doubled during the summer season, making Statement (B) correct.
- Statement (C): An overhang extension of the roof (typically 3 to 3.5 feet) is required in open-sided poultry houses to prevent driving rain from entering the shed, keeping the litter dry during the rainy season, making Statement (C) correct.
- Statement (D): Deep litter acts as an insulating layer.
During the summer, litter thickness should be kept thin (2 to 3 inches) to allow heat from the ground to dissipate.
Increasing litter thickness (to 6 inches or more) is done in winter to help retain heat and keep the birds warm.
Therefore, Statement (D) is incorrect.
Since statements (A), (B), and (C) are correct, option (B) is the correct choice.
Step 3: Final Answer:
The true statements are (A), (B) and (C) only.