When fattening beef cattle are slaughtered, the fattening beef cattle should be sold in time when they reach the requirements set by the beef cattle growers. If it is not sold in time, it will cause direct economic losses. Because when the shelf beef cattle reach the fat and body weight of the meat sheep after feeding during the fattening period, the weight gain rate is far lower than that before and during the fattening period.
Beef cattle breeding should try to prevent such low-weight and high-consumption breeding period. In addition, the maintenance of fattening beef cattle needs to increase with the increase in body weight of beef cattle Boer goats. For example, beef cattle with a weight of 500 kg have a maintenance requirement of 34.1 MJ. The converted corn is 3.74 kg. For more than 10 days of feeding, 37.4 kg of corn was consumed. Therefore, the fattening is not completed and sold in time. It will increase the consumption of feed and increase the cost of feeding.
Active Pharmaceutical Ingredient
Active Pharmaceutical Ingredients refer to the raw materials used in the production of various preparations. They are the effective ingredients in the preparations. They are various powders, crystals, extracts, etc., prepared by chemical synthesis, plant extraction or biotechnology, but Substances that the patient cannot take directly.
According to its source,Active Pharmaceutical Ingredients are divided into two categories: synthetic chemical drugs and natural chemical drugs.Chemical synthetic drugs can be divided into inorganic synthetic drugs and organic synthetic drugs. Inorganic synthetic drugs are inorganic compounds (extremely elements), such as aluminum hydroxide and magnesium trisilicate used to treat gastric and duodenal ulcers; organic synthetic drugs are mainly composed of basic organic chemical raw materials, through a series of organic Drugs made by chemical reactions (such as aspirin, chloramphenicol, caffeine, etc.).
Natural chemical drugs can also be divided into biochemical drugs and phytochemical drugs according to their sources.Antibiotics are generally made by microbial fermentation, which belongs to the category of biochemistry.In recent years, many semisynthetic antibiotics are the combination of biosynthesis and chemosynthesis.Among APIs, organic synthetic drugs account for the largest proportion in variety, yield and output value, which is the main pillar of chemical pharmaceutical industry.The quality of API determines the quality of preparation, so its quality standards are very strict. All countries in the world have formulated strict national pharmacopoeia standards and quality control methods for its widely used API
Active Pharmaceutical Ingredient,Chemical Raw Materials Api,Anti-Inflammatory Effect,Regulating Hormones
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