Cabbage is cheap, easy to grow, shelf-stable and has high yields. Many breeders use it for feeding pigs in the winter, both to supplement Vitamins and to improve constipation symptoms in pregnant or postpartum sows to a certain extent. However, cabbage contains nitrates, such as feeding rotten vegetables or cooked cabbage overnight, it is easy to cause poisoning. Nitrate is not poisonous, rotten vegetables or vegetables that have been taken into the tank for too long. Nitrates will be reduced to nitrite under the action of bacteria. Pigs will poison after eating. Pigs eat a lot of nitrite-containing cabbage and symptoms of poisoning occur in about half an hour. If it is difficult to breathe, walk and play, take a dog pose, mouth foam, skin, ear, nose, etc. at the beginning of the first turn into a bluish-purple, cold tip, body temperature drops, body twitching, if not timely rescue, will He was paralyzed and finally died. Therefore, do not boil when using Chinese cabbage to feed the pig, cook it quickly and do not cover it, and keep stirring. After cooking, remove it immediately and let it cool. If the pig is fed cabbage, the amount should not be too large to prevent the pig from diarrhea. In addition, raw cabbage cannot accumulate for long periods of time. Rotten vegetables must not be used to feed pigs. Once the pig causes poisoning by eating Chinese cabbage, ear and tail blood should be released first. Then 2% methylene blue solution is intravenously injected at a dose of 0.1-0.2 ml per kilogram of body weight. Repeated injection is repeated 2 hours later with 0.02% potassium permanganate solution. Gastric lavage, you can also take 30 grams of mung beans, hay, water torment, daily gavage once. 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
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