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Eggs
Anatomy of the egg
The Shell: It consists of 3 successive layers, 2 layers of calcium and a layer called the cuticle. This cuticle is a thin transparent layer over the entire surface of the egg. It prevents any microbial attack, which considerably reduces the premature death of the embryo.
The Shell Membranes: They are formed at the level of the magnum isthmus or isthmus where there is a ring that will calibrate the eggs, the egg remains there about 30 min where the two shell membranes (internal and external) that forms and settle around the white.
The Chalazes: it is in fact the egg white (Albumin) which is deposited around the yolk (yolk), turning on itself which reveals these small twists called chalazes. They also aim to keep the yolk in the center of the egg.
Egg white: it is a reserve of albumen proteins which will be used for the formation of the chick. This white is formed at the Magnum level.
The egg yolk: The yolk (yolk yolk) in the ovarian cluster will pass through the infundibulum and then join the bulb that could reserve the spermatozoa of the rooster for fertilization. This stage will also be the starting point for the development of the chick.
Inner tube: At the creation of the egg it hardly exists. It is at the moment when the hen lays her egg that it is created with the thermal differences. It is also used to supply the chick with oxygen at the moment of hatching. This air chamber is used to determine the freshness of the egg. The larger the air chamber, the less fresh the egg is, whereas the smaller the air chamber, the fresher the egg.
Virtual Chicken: Part 1: The Female Reproductive Tract English
To view in English, click on the Facebook link below:
https://www.facebook.com/younes.outaafroukt/videos/898725207197844/
https://www.youtube.com/watch?v=G6j13-9Pexw&t=22s egg formation Virtual+Chicken SD
Eggs and laying
Most hens start laying eggs at about 20 weeks of age. So around six months, but this varies from one species to another. You will have to provide 2 laying places for 3-5 hens. However, it is not uncommon for hens to prefer to use the same nest box and compete for space. To be able to lay eggs, they must have enough vitamins including calcium. For this purpose, I supplement the grains with a portion of flaked oyster shell. You can even offer them well washed, crushed and oven-dried eggshells. But these could induce the taste of eating their own eggs, so simply avoid this problem by preferring oyster shells. They are sold in most farm stores.
If a hen is caught with an egg that she cannot get out, she should be helped to dilate the cloaca because she could die if the egg breaks inside or does not get out properly. She could then have the problem of prolapse. In short, heat and a hot bath will provide moisture and help the egg to come out. If the tissues of the cloaca are irritated, Vaseline or Polysporin can be rubbed on the area.
Educational Capsule
Superior nutritional value of eggs from free-range hens (which freely eat insects, grains and plants).
https://www.motherearthnews.com/real-food/free-range-eggs-zmaz07onzgoe
– 1/3 less cholesterol
– 1/4 less saturated fat
– 2 x more vitamin A
– 2 x times more omega-3
– 3 x times more vitamin E
– 7 x times more beta-carotene
Should eggs be washed?
In summary, unless your eggs are very dirty or cracked, you should not wash them. Chickens make an antibacterial protection: the cuticle just before laying. This film protects your eggs from all germs. If you wash your eggs, if you put them under water, germs and bacteria will penetrate the shell through the many pores (700 to 800).
If you absolutely must wash them, start by trying to scrape with a dry cloth, or an accessory that scrapes (srubber) dirt or mud debris or stuck droppings. Then, if necessary, use lukewarm water at least 20 degrees. Once washed, they should be kept in the refrigerator as they will not keep as long.
I invite you to read the following article:
http://www.fresheggsdaily.com/2015/04/should-i-wash-my-chicken-eggs.html
Eggs can carry Salmonella enteriditis. Salmonella is transmitted in the yolk of the egg because the bacteria can live in the ovary of a perfectly healthy hen. Therefore, the most important thing is to always cook your eggs to avoid contamination. Even if you wash your eggs, they could infect you if you eat them raw. Washing eggs does not protect you against salmonella. If your eggs are very dirty, you must review the management of your nests, because if they are covered with chicken droppings, you will have to throw them away again. Washing them may cause germs to penetrate the shell.
If one of your chickens lays eggs in odd shapes, check out my blog post on the subject and also compare with the photos in the Alltech poster below.
See our text “Why are my eggs weird? »
Alltech poster:
https://i.pinimg.com/originals/0b/7f/46/0b7f46b2f8a38e8a883e0ef5884db977.jpg
http://www.dummies.com/how-to/content/how-to-treat-egg-binding-in-chickens.html
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