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Geese Feathers From The Thermal Insulation Effect


Goose feathers are a unique derivative of goose and play a protective role. According to its structure is generally divided into three kinds: orthodontic, feather feathers, fiber feathers. The feathers are the most conspicuous feathers of the goose, and the mature feathers are divided into flying feathers - it includes wings - dead Ji Yu and aileron feathers, tail feathers on the tail; body feathers in the trunk, neck, legs and other parts. The feather is the middle of a feather sleeve, the lower section of the feather root, buried in the skin of the feathers, the upper section of the stems, stems on both sides of the raw feathers, pinna by a number of parallel to each other branches, Goose Feather And born with two rows of small feather branches, small feather branches on a small fishing, intertwined with each other to form a pinna. Velvet feathers do not feather axis, only a very short and thin feather stems, feathers longer, small feathers on the little hook, so like a velvet radiant shot fine velvet, was dome, also known as velvet The In the goose body close to each of the feathers are built with a thin soft feather feathers, Goose Feather it grows in the inner body of the goose body, close to the skin, from the thermal insulation effect. Fibrous feathers are a single herbaceous feathers, characterized by soft and long, mainly born in the area where the feathers are free.

Goose feathers in the composition of protein accounted for 89% -97%, it can be said that goose feathers are composed of protein, in the composition of geese protein in the keratin protein accounted for about 85% -90%. This protein was originally synthesized with the formation of keratin with hair follicle formation. Goose feathers are derived from the skin, the first to form hair follicles, resulting in feathers, feather root and dermis formation of geese feathers nipples, blood vessels into the feathers, feathers are rich in blood vessels and full of gelatin-like material, goose feathers in the growth process In the nutrient needed to supply through the feathers, Yu Lang accompanied by the growth of the feathers and extension. Goose feathers mature, the blood vessels from the upper part of the feathers began to shrink, degeneration, and gradually shrinking to the feathers. Goose feathers are not ripe, feathers filled with blood vessels in the feather market, was red, commonly known as vascular hair. Goose feathers mature due to vascular atrophy, feathers were white.

Geese goose feathers in the fertilized eggs hatch to the first 10 days can be seen with a magnifying glass geese feathers are distributed in the whole body part of the first 14-15 days all the trunk has fluff, the first 17 days of the body with fluff, in the next 13 days The villi continue to grow mature, Goose Feather shelling goslings a golden fluff, there are very thin feathers, only a few small feather branches at the top, the weight is very light, but the warmth is particularly good. The growth rule of goose feathers due to different varieties of geese, the first day of hair change slightly different, such as Lai Chuan too hybrid goose, "wings" age between 55-60 days.


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