1 Types of feed additives
(1) Supplementing and balancing nutrients: including amino acids, vitamins, trace minerals and non-protein nitrides.
(2) Health care and growth promoters: including antibiotics, synthetic antibacterials, and insect repellents.
(3) Physiological and metabolic regulators: including hormones, anti-stress, and Chinese herbal medicines.
(4) Increase appetite to help digestion: including acidifiers, sweeteners, spices, probiotics, enzyme preparations and buffers.
(5) Feed processing and preservatives: including anti-fungal agents, antioxidants, binders, emulsifiers, silage preservatives, etc.
(6) Other categories: including colorants, feed pigments, activated carbon, medical stone, bentonite, rare earth nitrate, and the like.
2 Mistakes in the use of feed additives
(1) Think that the more expensive the price, the better. The quality and effect of the expensive feed additives are indeed good, but they cannot blindly follow the price. The key to selection should also be the quality of the feed.
(2) It is considered that the more the amount added, the better. In fact, if too much is added, excess nutrients will be excreted with feces, urine, or deposited in livestock, causing waste and affecting the performance of livestock and poultry. Therefore, the amount of additives must be moderate.
(3) Only one additive is used throughout the feeding period. The different stages of animal growth require different nutrients, and different types of additives have different effects. For example, the additives for laying hens are divided into brooding period, breeding period, laying period, etc.; the additives for pigs are divided into piglets and finishing pigs. If only one additive is used throughout the feeding period, the desired effect is not achieved.
(4) Blindly mixing various additives. Blind multi-variety mixed use of additives will not only cause some nutrients to be repeatedly added, causing serious excess and excess, and some nutrients will be destroyed due to antagonism between nutrients. Therefore, when using feed additives, it should be reasonably matched and cannot be blindly abused.
(5) No additives are used. The purpose of the feed additive is to balance the levels of various nutrients in the feed, and only the full-price feed of various nutrient balances can be used to maximize utilization. Therefore, it is necessary to properly and reasonably add in the feed.
3 Correct use of feed additives
(1) Defining the purpose of use. Nutritional feed additives, such as amino acids, trace elements, and multivitamins, are mainly used to supplement feed nutrient deficiencies and meet the needs of livestock growth, development and reproduction; non-nutritive feed additives such as antioxidants and mildews , attractants, antibiotics, etc., mainly to improve feed quality, enhance the appetite and disease resistance of livestock and poultry.
(2) There must be a comparative selection of varieties. At present, there are many manufacturers of feed additives, and the variety is complicated. It is necessary to choose a manufacturer with better reputation and reputation, not only for price but also for effect.
(3) Reasonable and standardized use. In addition to some special products for drinking water, such as instant multivitamins, most of them can only be mixed with dry materials for feeding. Adding to wet materials or feeding in water will greatly reduce the use effect. Therefore, it cannot be changed casually. the way. When using, it should be strictly proportioned. It is not allowed to increase or decrease the dosage. It should be noted that the mixing is uniform; the application of multiple varieties should be noted. Intention should be paid to observe the livestock and poultry. Once an abnormal phenomenon is found, stop feeding immediately.
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