In the production of chickens, small and medium-sized farmers mainly use self-made feeds, which can not only make full use of local feed resources, but also greatly reduce the cost of feeding. Most farmers based on experience and feed nutrient content, first roughly determine the proportion of various types of feed in the diet, and then through calculations, adjustments, so that the nutritional indicators in the formula and feeding standards are close. However, due to factors such as the quality of personnel, technical level, and processing equipment, the formulated feed is not scientific and there are still certain quality problems that affect the performance of chicken production performance. Here will be a brief introduction of several key technical links for chicken feed, for the majority of farmers reference. 1 strictly control the quality of raw materials Raw materials are the basis for the quality of feed products. The quality of the feed directly affects the quality of the feed. Raw materials come from all sides, and the nutrient content varies greatly depending on the place of production, the maturity of the harvest, the processing method, and the moisture content. Especially in the raw materials shortage season, varieties are miscellaneous, poor quality, and noisy. They must be strictly controlled and pay attention to quality. Those who have the ability to detect themselves should test it by themselves. They can't rely on sensory identification alone; if they do not have the ability to detect, it is best to go to the department with the inspection ability to inspect and determine the level of their nutritional components. In addition, the stability of raw materials added to the premix is ​​poor, storage time should not be too long, otherwise it will cause the loss of nutrients, and easy to mildew, preferably with the current use. 2 Formulating Scientific Feed Formulas 2.1 Formulations to be relatively stable in a certain growth stage of the feed formula must be relatively stable, can not freely change the variety and proportion of raw materials, otherwise it is easy to make the chickens in a stress state, thus affecting the chicken's growth and development and production performance. 2.2 The choice of a reasonable mix of raw materials can generally be selected according to the formula recommended by the additive manufacturer, combined with the selection of self-prepared raw materials. Special attention should be paid to the proportion of protein and energy. Improper proportion will affect the utilization efficiency of nutrients and increase feed costs. In addition, we must pay attention to the ratio of calcium, phosphorus, vitamins, and trace elements to maintain the balance of nutrients. 2.3 The flexibility to adjust formulas Chickens of different varieties, different growth and development stages of nutrition are different, so the formula also changes with each stage. In addition, we must also make adjustments based on changes in the environment, shortages of raw materials, price levels, and quality levels. During the hot summer season, the feed intake of chickens is reduced. Therefore, dietary nutrient concentrations, especially protein content, should be increased. In winter and spring, the temperature is low, the light is insufficient, and the energy level is relatively high. Add chicken multivitamins to the diet. 2.4 Attention to the formula's economical formula The feed used in the formula should be based on economic principles. Local conditions should be used as far as possible to use nutritious and low-priced feeds. Some peanut pods and cottonseed meal can be used to replace some pods, and yeast powder can be used instead of imported fishmeal. You can't just buy cheap raw feeds because you're cheap. 3 do a good job of processing and storage 3.1 Weighing It is necessary to have a precise precise weighing tool (such as a balance) to minimize the weighing error. 3.2 The size of the time and the area of ​​action of the feed to be properly sized for comminution of particles of different sizes in the digestive tract are different, and their digestibility is also different. The coarse feed pellets are not conducive to the digestion of chickens, and they are prone to picky eaters and cause wastage. When the crushed pellets are too fine, the palatability is poor and the feed intake is affected. The particle size should be adjusted according to the age of the chicken. For broiler chickens and laying hens, the pre-stage requirements should be 99% capable of passing through a woven aperture of 2.8mm; broilers and laying hens should have a 99% pass through aperture 3.35mm woven screen; Egg material requirements should be 100% through the aperture 4.4mm woven screen. 3.3 If the uniformity is evenly mixed, the nutrient components in the feed will be unevenly distributed. The nutrient intake of the chicken is either insufficient or excessive, and it may easily cause nutritional metabolic diseases. Therefore, the mixture must be diluted step by step, mixed repeatedly, and the best condition is to purchase the mixer. 3.4 The storage should be complete with a special storage room, and the temperature and humidity should be properly controlled, and they can not be stacked casually. At the same time, rodents are regularly killed and insects are destroyed. The storage time is 3 days in summer and 1 week in winter. It takes too long to cause loss of nutrients. 4 Strengthen quality control After dosing, the various nutrients should be tested for conformity with the formula design criteria so that adjustments can be made to best fit the standard. After adjustment, small groups should be used to feed. If the effect is good, then feed them in large groups to ensure feed nutrition science. In short, the process of self-provisioned chicken feed is a continuous process of continuous improvement. When formulating ingredients, special attention must be paid to the formulating and processing of the formula. After dispensing, it must be inspected and continuously improved in practice so that the formulated feed can meet the nutritional needs of chicken growth and development in order to maximize the economic benefits. . 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