Formulated chicken feed formula
First, consider whether the metabolic energy and crude protein requirements in the diet and the ratio of the two are appropriate, and then see whether the calcium and phosphorus content meet the needs and balance, and finally adjust the requirements of vitamins and trace elements. In the case of diets, vitamins in the raw materials are generally not considered, and they are completely supplemented by additional requirements.
Due to different feed ingredients, different sources, different water content and storage time, nutrient ingredients often change. Formulations for chickens in the diet should be supplemented with safety factors to ensure the nutrient content they contain, but the safety factor should not be too large to avoid wastage.
If conditions permit, the native chicken feed formula should use as many raw materials as possible to achieve nutrient complementarity (mainly amino acid complement) and reduce feed costs.
Native chicken feed formula requires both good feed quality and good palatability. At the same time, it must take into account the price and use some cheap raw materials. The amount of raw materials for which there are limited quantities should be strictly controlled, such as cottonseed meal, sorghum, etc., to avoid harm to the animals caused by cheap maps.
The total amount of feed for each preparation should not exceed one month's usage, so as not to reduce the content of nutrients in the long-term storage, especially the content of vitamins. The long-term storage of feed in the summer is also easy to mold, especially high-energy broiler material in the high temperature and humidity conditions, very easy to degenerate.
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