Topics:
Animal Refresher, Poultry Science
Haugh Unit Range for Standard Chicken Egg
Range of Haugh unit for a standard chicken egg should be:
- 40–60
- 65–80 — Correct Answer
- 80–90
- 50–70
Explanation:
Correct Answer: 65–80
The Haugh unit of a standard chicken egg ranges from 65 to 80 (some sources cite 65–85, with the standard value being 72). It is the primary measure of albumin (egg white) quality.
What is Haugh Unit?
- Haugh unit measures the height of the thick albumin relative to the egg weight.
- Higher Haugh unit = better, fresher egg quality (thicker, firmer albumen).
- As eggs age, the albumin thins due to enzymatic breakdown of ovomucin, and the Haugh unit falls.
- Standard chicken egg Haugh unit: 72 (range 65–85).
Egg Quality Measures
| Parameter | What It Measures | Standard Value |
|---|---|---|
| Haugh unit | Height of albumin (albumin quality) | 72 (range 65–85) |
| Yolk index | Spherical nature of yolk (yolk quality) | 0.50 (range 0.40–0.50) |
| Egg Shape Index (ESI) | Shape of egg (width/length × 100) | 74 (for chicken) |
| Shell thickness | Shell strength | 0.30–0.50 mm |
📚 About this Topic — Animal Refresher
This multiple choice question is from Animal Refresher, Poultry Science. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Animal Refresher to strengthen your preparation.
