Premixing The premix is ​​the core of the feed. Choose a reliable, cost-effective premix and the cultivation will be successful. The first choice of premix is ​​to look at the manufacturer's quality assurance. Larger companies and group companies are relatively reliable in terms of quality. It is best to select manufacturers that have passed ISO9000 quality system certification. At the same time, when selecting premixes, attention should be paid to the comparison of vitamins, amino acids, and other nutritional indicators. Relatively speaking, higher vitamins and amino acids can improve the immunity and disease resistance of laying hens. At the same time, if the manufacturer's suggested formula is that the amount of corn added is less than 64% and the amount of protein raw materials added is more than 24%, it indicates that the compound protein is high in protein and energy is low, such feed intake is large, and the laying hens are dying. High, high peak duration, poor efficiency.
The selection of corn and soybean meal is the harvest season of corn in autumn and winter. At this time, it is important to control the moisture of corn, and at the same time, it is necessary to prevent the corn from mildew. The mildew of corn causes the loss of nutrients, the utilization rate of nutrients decreases, and the feed intake and laying rate of laying hens will decrease. The moisture content of soybean meal does not exceed 13%. The color of the soybean meal is high if it is white and most urease is too high, which can easily cause symptoms of chicken disease such as chicken diarrhea. If it is red, urease is low and the protein denatures, losing its nutritional value. When the price of soybean meal keeps running at a high level, there will be more falsification of the soybean meal, mainly the use of shredded and low-protein raw materials, and some soybean protein testing will only take about 30% of the protein. After such a soybean meal is used, the laying hens lay eggs. The rate dropped, the egg weight became lighter, and the layer was depilated.
Feeding chickens in the same state with adjusted feeds have different energy requirements at different temperatures. In winter and spring season, broiler breeders can feed 150-170 grams of feed every day, so that the feed heat energy can be increased by 12.1- 12.3 MJ, which can meet the needs of low-temperature heat energy. In the event of a cold flow, the temperature dropped suddenly and the chickens themselves could not adjust their feed intake at once, which would have a great reaction. Therefore, we must pay attention to the weather forecast at any time. Add 1 to 2 grams of feed to each chicken 1 to 2 days before the onset of the cold flow. For 3 to 5 days, the chickens can get 112.8 to 142.1 Mg of heat in order to maintain Gentle egg production. Each temperature drops 3 degrees Celsius, should add about 5 grams. After the cold flow has passed and the temperature has risen, the amount of feed has been restored. At the same time pay special attention to the quality and number of various amino acids. Increase the proportion of feeds that increase energy and reduce the protein content appropriately.
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