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Veterinary drug Private

2 months ago Living the Life Matale   30 views

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Location: Matale
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vitamin is an organic molecule (or a set of molecules closely related chemically, i.e. vitamers) that is an essential micronutrient which an organism needs in small quantities for the proper functioning of its metabolism. Essential nutrients cannot be synthesized in the organism, either at all or not in sufficient quantities, and therefore must be obtained through the diet. Vitamin C can be synthesized by some species but not by others; it is not a vitamin in the first instance but is in the second. The term vitamin does not include the three other groups of essential nutrients: minerals, essential fatty acids, and essential amino acids. Most vitamins are not single molecules, but groups of related molecules called vitamers. For example, there are eight vitamers of vitamin E: four tocopherols and four tocotrienols. Some sources list fourteen vitamins, by including choline, but major health organizations list thirteen: vitamin A (as all-trans-retinol, all-trans-retinyl-esters, as well as all-trans-beta-carotene and other provitamin A carotenoids), vitamin B1 (thiamine), vitamin B2 (riboflavin), vitamin B3 (niacin), vitamin B5 (pantothenic acid), vitamin B6 (pyridoxine), vitamin B7 (biotin), vitamin B9 (folic acid or folate), vitamin B12 (cobalamins), vitamin C (ascorbic acid), vitamin D (calciferols), vitamin E (tocopherols and tocotrienols), and vitamin K (phylloquinone and menaquinones).

veterinary drug (also animal drug) refers to a drug intended for use in the diagnosis, cure, mitigation, treatment, or prevention of disease in animals. Veterinary drugs can be roughly classified into four categories: ① general disease control drugs; ② infectious disease control drugs; ③ internal and external parasitic disease control drugs; ④ (including growth-promoting drugs). Except for biochemical immune products (bacteria, vaccines, serums, antitoxins and toxoids, etc.) for the prevention and treatment of infectious diseases, and special veterinary drugs such as special parasitic drugs for livestock and poultry and growth-promoting drugs, the rest are the same as those for human use, but the dosage , dosage forms and specifications are different. It has long been widely used to control livestock and poultry diseases.