There are many kinds of feed additives sold on the market, with different specifications, different features, and different uses. Attention must be paid when purchasing. 1. According to needs, targeted purchase. Before purchasing, you should understand the product's performance, composition, content, potency, and purpose. When purchasing, select and purchase according to the type of livestock and poultry they are raising, the purpose of feeding, the feeding conditions, and the weight of livestock and poultry, aiming to overcome blindness. 2. Choose dry, loose, fluid products. If there is deliquescence, compaction, and poor color, it indicates that the product has been partially or completely deteriorated and is not suitable for use. 3. Buy regular channel products. The products without approval numbers or in the non-formal management departments are fake and shoddy products that are illegally produced. The quality is not guaranteed. After feeding, it will not only fail to achieve its intended effect, but will also hinder the growth of livestock and poultry. Therefore, it is very important for the product to be labeled with the approval number of the Department of Drug Administration. 4. Buy recently produced products. Because the length of storage directly affects the potency of certain additive ingredients, the longer the storage time, the greater the loss of potency, and generally should not exceed 6 months. 5. Choose a product with good uniformity. Products with poor uniformity are not effective, because the proportion of active ingredients in the additive is small, and the uniformity is not good. Stirring in the feed for feeding livestock and poultry, eating less will not work, and eating too much will poison the livestock and poultry. 6. Choose odor-free products. If there are odor products should not be purchased. 7. Choose products with small weight. Most of the products with large capacity are stone powder, and the stone powder will be layered and bottomed in the finished product. 8. Choose a tightly packed product. Especially vitamin products, the most ideal is aluminum foil vacuum nitrogen packaging, because some of the vitamins exposed to air, met with light, deterioration of the failure.
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