Vitamin Additives The use of vitamin supplements, in addition to feeding standards, should also consider feeding practices, environmental conditions, and meat duck constitution. If half-breeding and half-breeding feeding are adopted, the amount of green feed may be less when it is sufficient. When in a high temperature, disease epidemic, transfer group and vaccination (bacteria) seedlings and other stress conditions, the amount of vitamins should be increased. Intensive ducklings should be added in accordance with the vitamin instructions. Vitamin supplements have a single vitamin additive, such as vitamin A, vitamin D2, vitamin D3, vitamin E, vitamin K3, vitamin B12, etc. There are also multivitamin additives, ie multidimensional additives, which are formulated according to the nutritional needs of ducks for different production uses and growth stages.
Amino Acid Additives There are mainly limiting amino acid additives such as methionine and lysine in the feed. When the protein content in the diet is low, the effect is more obvious. The effect is to achieve the best ratio of amino acids in the duck diet, reduce the amount of animal protein feed, and improve the utilization of duck protein feed.
Trace element additives for the ducks, usually need to supplement the trace elements include copper, iron, manganese, zinc, iodine, selenium, cobalt and so on. Sulfate is generally used as a raw material for trace element additives such as copper sulfate, ferrous sulfate, zinc sulfate, manganese sulfate, and iodine and selenium can be obtained from potassium iodide and sodium selenite. In the production, the trace additive additives produced by the additive plant are generally used and added according to the instruction manual.
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