Chicken is the most widely poultry are maintained by humans. This type of poultry most widely taken

Chicken is the most widely poultry are maintained by humans. This type of poultry most widely taken advantage of by humans. Starting from the meat, feathers, manure for fertilizer, and egg shells can also be used. Poultry egg shells generally have three layers of the cuticle, the stratum layer and membrane layer. Each layer has its own chemical content. The structure of chicken egg shells can be seen in the following figure. The structure of the egg
In the cuticle layer is the outermost layer that has ketembalan 10 lm and channel pore. And serves to protect the eggs from moisture and microorganisms. And assist the exchange of gases that enter the egg. Content of Egg Shells Egg shells are calcareous layers that make up 9-12% of the total egg weight. Eggshell is composed of approximately 94% calcium carbonate, magnesium carbonate 1%, 1% calcium phosphate, and 4% organic matter, especially slide warmer protein. Egg in the uterus stay for 20 hours and 45 minutes. In addition to the uterine glands secrete albumen also produce eggshell material, which is composed of mostly CaCO 3 .CaCO 3 brought the blood flow to the uterine glands. At high temperatures, these pores become larger and tend to be thin eggshell as the Ca in the blood flow a little. Pigmentation occurs in the uterus and vagina last 5 hours before it was issued. Before the eggs laid in the first store in the vagina slide warmer for some time. Here are piled outside the mucus secreted eggshell. This mucus discharge memperlicin simplify and eggs. Once the egg is released mucus dries immediately, thus leaving the rest of the so-called cuticle. Older eggs are preformance oviduct is 25 hours. So the length of formation eggs since the beginning of the growth of ova in the ovary is 11 days 2 hours. The main content of the egg shell is CaCO 3, MgCO 3, CaSO 4, and organic slide warmer matter.
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