The selection of corn, soybean meal, etc. 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 becoming moldy. Maize molds cause loss of nutrients, reduced nutrient availability, layer feed intake, egg production, etc. 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, the protein denatures, and its nutritional value is lost. When the price of soybean meal keeps running at a high level, there will be more falsification of soybean meal, mainly shoddy and low-protein raw materials. Some soybean meal will only have about 30% protein after detection, and the egg laying rate of such soybean meal after use Decrease, lighter egg weight, and layered hair.
Premixing The premix is ​​the core of the feed. Choose a reliable, cost-effective premix and the cultivation will be successful.
When selecting premixes, attention should be paid to comparing nutritional indicators such as vitamins and amino acids. Relatively speaking, higher vitamins and amino acids can improve the immunity and disease resistance of laying hens. If the proposed formula contains 64% or less of corn and more than 24% of protein raw material, it indicates that the protein content of the compound is high and the energy is low. This kind of feed intake is large, and the laying hens have a high mortality rate. Short maintenance time and poor efficiency.
Feed formula design needs more energy than other seasons in winter. When using premixes, it is necessary to adjust the formula to meet the needs of laying hens. Generally, 1% oil is added and 0.5% stone powder is used instead of corn. Winter is an important season for laying hens. Focusing on feed nutrition and improving feed management are prerequisites for improving aquaculture efficiency, and they are also important means.
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