Store and home-made eggs are a natural product. They can have differences as for a diet and also conditions of keeping of their producers, that is hens. Upon purchase of eggs it is necessary to choose only fresh copies.
Throughout many centuries, eggs are a part of a diet of human food. This product is very rich with amino acids necessary for a human body, contains a set of vitamins – such as A, D, B, E, biotin, is well-cared, calcium, iron, magnesium, phosphorus, zinc, other useful substances. Almost completely they are acquired by a human body. At eggs a limited period of storage. It depends on certain conditions in which egg remains.
What eggs differ withStore eggs and house differ first of all in the tastes. So occurs because at rural chicken the diet strongly differs from what is received by chicken on a poultry farm. There they contain in cages and receive a forage special, focused on production of eggs or on accumulation of weight. Eggs and differ color. At eggs color defines the pigment which is in a shell, in an external layer. It can accept shades in the range from snow-white color to dark brown. Color of egg depends on breed of chicken - it is hereditary sign, like coloring of plumage.
Why hens lay eggs of different colorMore color of an egg shell will depend on breed. Therefore to foretell what eggs will be taken down by chicken, it is possible in advance. Certainly, it will be correct not for all 100%, but in most cases calculations are right. Mistakes are rare, but sometimes and in one breed of a layer can lay eggs, different in color. To define what eggs will be laid by chicken, it is necessary to look at her ear lobe. If its color white, chicken lays light eggs if color red, eggs are brown. Brown color gives to eggs a pigment protoporphyrine which when forming a shell is produced by uterus vystilka cages. And in South America, surprising hens were found – without tail, but with horns, that is operenny outgrowths in that place where at animals horns grow. These hens lay eggs of bluish-green color. In honor of the tribe of Indians parting this breed breed called "araukan". In America, in the middle of the last century, Mapuche were of eggs of chicken ten times more expensive than usual. Was considered that they lowered amount of cholesterol, and it is much more useful minerals, than in usual. The fact that except color of a shell, they differ in nothing from simple eggs became clear much later. Now the Mapuche bearing and blue, and green and also pink and yellow eggs are brought. Partly the diet of birds – if some of amino acids in deficiency can affect color of an egg shell, at coloring of eggs the intensity considerably weakens. The quality at the same time does not suffer in any way.