Topics: Animal Refresher, Poultry Science

Duration of Cold Storage for Oil-Coated Eggs

In the cold storage method of egg preservation, oil-coated eggs can be preserved for ______ months at 14°C and 90% R.H.:

4 months
6 months
8 months
12 months

Duration of Cold Storage for Oil-Coated Eggs

In the cold storage method of egg preservation, oil-coated eggs can be preserved for ______ months at 14°C and 90% R.H.:

Options

4 months
6 months
8 months ✓
12 months

Correct Answer: C

Explanation in English

Correct Answer: 8 months

In cold storage at 14°C and 90% R.H., oil-coated eggs can be preserved for up to 8 months.

Why Oil Coating Extends Shelf Life

Egg shell has 7,500–17,000 pores through which CO₂ and moisture escape and microorganisms can enter.
Oil (mineral oil) applied to the shell seals these pores, slowing moisture loss and preventing bacterial contamination.
This extends cold storage life from 6 months (non-oiled) to 8 months (oiled).

Comparison: Oil-Coated vs. Non-Oil-Coated in Cold Storage

Type	Temperature	R.H.	Duration
Oil-coated eggs	14°C	90%	8 months
Non-oil-coated eggs	14°C	90%	6 months

Why Other Options Are Wrong

4 months → insufficient; oil-coated eggs last longer.
6 months → this is the duration for non-oil-coated eggs.
12 months → exceeds even the extended oil-coated shelf life.

📚 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.

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