A look at the golden age of the lactating dairy cows is between 5 and 8 years old. It is best to choose a 4-year-old cow. A good cow looks from a distance. Its shape resembles a triangle. The black-and-white flowers are clearly distributed and well-proportioned; in close quarters, the hair is shiny, the bones are thin and firm, the skin is thin and tight, not thin and fat, and lively, the head is small and long, and the width of the chest is moderate. Large and round, straight back. The hips are flat and straight, forming a straight line with the back. The breast stretches forward and backward, the mammary gland develops, the four nipples are well-proportioned, and the breasts are well-elastic. The breasts swell before milking, the breasts become smaller after milking, and wrinkles appear in the back of the breast. Second, look at the pedigree of the so-called pedigree is to understand the pedigree of dairy cows. Understand the production performance of the “parentsâ€, “grandadsâ€, “grandmothers†and “grandmothers†who want to purchase dairy cows. Thirdly, before the transaction, the quarantine department must also go to the veterinary health and epidemic prevention department to check whether there are infectious diseases such as tuberculosis and brucellosis in the dairy cows that are considered, whether the genital organs are normal, and whether they are heterosexual twin cows. The cattle do not have reproductive ability, do not buy it.)
Cosmetic Ingredients
Cosmetics are compound mixtures made from various raw materials after reasonable blending and processing. There are many types of cosmetics raw materials with different properties. According to the raw material properties and uses of cosmetics, it can be roughly divided into two categories: base raw materials and auxiliary raw materials. The former is a main raw material of cosmetics, which occupies a large proportion in cosmetic formulations, and is the main functional substance in cosmetics. The latter is responsible for shaping, stabilizing or imparting color, fragrance and other characteristics to cosmetics. These substances are not used in large amounts in cosmetic formulations, but are extremely important. Cosmetics are chemical mixtures made of natural, synthetic or extracted substances with different functions as raw materials and processed through production processes such as heating, stirring and emulsification.
Collagen peptide, Arbutin, Coenzyme Q10, GSH, Cosmetic Raw Materials, lipoic acid
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