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Defining Egg Quality

The interactions between nutrition and egg quality are indeed part of an on-going project with which I am heavily involved. However, what we mean by 'egg quality' is perhaps best described as a shifting target, depending of course on local market preferences!

Here’s my list:

1. Size
This has to do mostly about weight and less about shape, although abnormally shaped eggs have limited commercial value.

2. Shell
First appearances do count: the color, texture, strength, and cleanness of an egg are important factors affecting consumer buying decisions.

3. Interior
Once you break an egg, the color and size of yolk are of immediate concern. Of course, any off-smells are also quickly noticed. Blood spots and other abnormalities are of equal concern.

Here we will not include freshness and how it affects egg quality as this is an issue having to do with “post-harvest” management and not with layer nutrition.

So, what else is important in your own markets when it comes to egg quality?
 

Ioannis Mavromichalis

4 comments

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    DVM Waseem Amer Al-shible

    Dear Sir, Mr Dr. Ioannis Mavromichalis
    the customers' demands for the egg quality are different. For example in some regions in Syria prefer white egg shell and other prefer the brown egg shell but all refer the heavy eggs and dark yellow yolk.
    Thank you And Best Regards.
    waseemshible@hotmail.com

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    happy chook company

    our customers are diverse, resturants want 55 gramme no double yolkers, Chinese resturants want small 40 to 45 g for the sweeetness of the egg and the dark yolk for colour, consumers buying from the supermarket want large size 60 g and a sign that they are free range eg different shapes and colours, farmer markets customers want huge eggs all different colours love different shell presentation and want to see the odd feather in the box, but also want infomation on how our free range farm runs...do we fufill this demand yes, are eggs are full of flavour and high in nutrition, but we never get asked is this egg full of omega or similar its all visual.

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    Steep Hollow Farm

    Our customers like the deep orange egg yolk. Our hens eat locally produced organic laying mash plus local produce like pumpkins, apples, cabbage, sunflower seeds, alfalfa hay, sweet corn, tomatoes, melons, and of course, grass when it's growing.

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    Roy Mendoza

    In the Philippines. Dark orange yolk eggs are at a premium. Color of the shell would entice customers to go for "native" eggs; which are predominantly cream in color. I am producing brown eggs at the moment and my customers want it like that as this is a welcome "new" color for them. Sort of suggesting "native" eggs.

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