The crude protein is the data obtained by multiplying the content of nitrogen in the feed by 6.25. The level of crude protein reflects the level of nitrogen in feed. The animal's need for protein is the need for amino acids, which are the basic units that make up proteins. Instead of crude protein or nitrogen. For example, urea and other non-protein content can reach 100-200%. Does it mean that urea is a better feed ingredient than soybean meal and fish meal? The same Amino Acid-like protein, such as feather powder and sun dried blood meal, has a high crude protein content, but its digestibility is very low and it is a poor protein source. Therefore, for feeds, it is more important to focus on the content of digestible protein or amino acid of feed, and pay attention to the actual use of feed instead of the protein content on the label.
Dietary supplements take vitamins, minerals and extracts with relatively clear structure-activity relationship as the main raw materials, and supplement the necessary nutrients and biologically active substances for the human body through oral intake to achieve the purpose of improving the body's health and reducing the risk of disease. Available in concentrated forms such as doses or capsules. Foods in traditional form with added nutrients or biologically active substances.
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