How Long Do Eggs Last ( And Why)?

How Long Do Eggs Last ( And Why)?

Exact Answer: 3-5 Weeks

The eggs are laid by female animals of different species like birds, reptiles, a few mammals, and fish. Eggs of many animals are consumed by humans as food like eggs of chicken, duck, and quail there eggs are poultry eggs. The eggs of the birds and reptiles consist of eggshell which is a protective shell, albumen the white part called egg white, and vitellus the yellow part called egg yolk.

Cattle farming is widely popular due to the production of eggs in high quantities. Humans are consuming eggs for thousands of years due to their good nutritional value, which is good for a healthy body. The eggs are categorized as meat in the food guide pyramid as egg yolk and the whole egg has a significant amount of protein and choline present in it making it an important part of the diet.

Birds eggs are commonly used as food and the most versatile ingredient used for cooking. Western countries like Asia, China, and Thailand are with the high consumption of eggs in the world. The largest egg is of ostriches considered as a special luxury food in many countries, gulls’ eggs are considered a delicacy in England, and in Norway, guineafowl eggs are consumed in Africa mainly during the spring season of the year.

There are some strict rules to protect wild eggs on them which prohibit their collections or giving collection permits to the specific company for the specific duration of time. During their production, the eggs are candled to check their quality and to determine that the egg was fertilized or not and the presence of an embryo in it.

How Long Do Eggs Last

How Long Do Eggs Last?

Eggs have nutrition in them especially boiled ones. Boiling the eggs supplies more vitamins and minerals like vitamin A 19%, riboflavin 42%, pantothenic acid 28%, vitamin B 46%, choline 60%, phosphorus 25%, zinc 11%, and many more. Nutritional value of eggs changes with the different cooking methods.

There are many reasons for the difference in nutritional values of eggs like the diet of the hens. What they are fed leads to a great impact on the quality of eggs.

The consumption of eggs is increasing worldwide due to several reasons to meet this demand the production should be increased. If the production is increased then some factors should be kept in mind like the quantity should not affect quality, transportation, and most important storage. The eggs can be stored at home at normal conditions for about 3-5 weeks, and after that, the eggs may contaminate.

Room Temperature1-3 Weeks
Refrigerator3-5 Weeks

Why Do Eggs Last That Long?

The eggs laid can rot due to the presence of the bacteria salmonella which causes contamination of the egg and to remove it the eggs are sanitized for cleaning. This can clean the eggs but cleaning damage the natural protective layer called the cuticle. This process can make the egg more vulnerable to a bacterial attack which can move through the shell.

To delay this decaying the eggs should be stored properly at a suitable temperature to stop the growth of bacteria. The suitable temperature will not allow the bacteria to combine with an egg protective shell and enzymes. Refrigerated eggs rarely get rotten or contaminated as they delay the reaction.


This contamination is not very common it rarely happens, but if it is affected by salmonella bacteria it won’t change its smell but it will taste bitter. Eating raw eggs may cause health issues like vomiting, fever, diarrhea and stomach cramps which are the sign of salmonella poisoning. The symptoms are visible after 10-12 hours of consumption. In some cases, medication is not required but people with a weak immune system can suffer more and developed severe diarrhea.


Eggs contain several vitamins that are a beneficial part of the diet. They are a rich source of protein and fat too. It provides many benefits like building strong muscles, helping in brain development, build a strong immune system, lower heart diseases, good eyesight, healthy skin. Doctors recommend adding eggs to the diet of pregnant ladies and the people who are trying to lose weight as protein helps in losing weight.


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