Step 1: Understanding the Concept:
Lighting uniformity is important in poultry houses.
A specific ratio is recommended.
Step 2: Key Formula or Approach:
No specific formula.
Need to know lighting recommendations.
Step 3: Detailed Explanation:
The ratio of light from the poorly lighted corner to the brightly lighted corner should not be more than 1:4.
This ensures uniform lighting.
Better uniformity improves bird behavior and production.
Thus, the ratio is 1:4.
Step 4: Final Answer:
The ratio should not be more than 1:4.
Hence, the correct option is (D).