Availability and types of the Chicken egg (Class: M)
A chicken egg of Class M is a medium egg – not too small, not too large. You can find such eggs year-round in supermarkets, farm shops or at the farmers' market. Hens lay almost constantly, but in winter some hens lay a bit less because there is less daylight. It's a bit like playing outside more in summer than in deep winter.
Where do the eggs come from?
- Mostly from farms in your region or from abroad. In Germany, for example, many eggs come from northern regions, but also from neighboring countries.
- Large operations supply many eggs to supermarkets. Small farms sell directly on the farm or at the market.
- The packaging (egg carton) often shows where the egg comes from. It displays the producer code or the region of origin.
Common housing systems (simply explained)
- Barn/floor systems: Hens live in a large hall and can move around, but not go outside.
- Free-range: Hens have housing and are also allowed outside to a pasture.
- Organic: Similar to free-range but with stricter rules for feed and space. Organic means: less chemicals in feed and more space for the hens.
- Cage systems (historical): In these systems hens had less space. In many countries these cages have been restricted or banned.
The egg carton often shows a number at the start of the producer code (e.g. 0 = Organic, 1 = Free-range, 2 = Barn/floor, 3 = Cage). That helps with quick recognition.
Types and variants of eggs
- Shell color: Brown or white. The color comes from the hen breed and does not change taste or quality – like the color of a cup.
- Omega-3 eggs: These eggs come from hens fed special feed so the egg contains more of certain fatty acids. It is like a "nutrient upgrade."
- Double yolk: Sometimes an egg has two yolks. It is unusual but completely edible – a small surprise egg!
- Processed forms: Liquid eggs in cartons, whisked eggs or separated whites and yolks, as well as dried egg powder for bakers. These are practical when many eggs are needed or they need to be shelf-stable.
- Boiled or pickled eggs: Already prepared and ready to eat – convenient to take away.
In summary: Chicken eggs (Class M) are widely available, produced in various housing systems and come in many variants – from organic and free-range to special Omega-3 eggs or processed products. The carton provides information on origin and husbandry so you can easily choose which type of egg to buy.