When it comes to fattening sheep, using compound feed is more effective than feeding with single or a few simple mixed feeds. This is mainly because compound feed improves feed conversion efficiency and reduces the risk of gastrointestinal diseases. Therefore, when preparing concentrates, it's important to use a variety of feed ingredients and make the most of locally available, low-cost raw materials. Any type of grain can be used for lamb fattening, but high-energy feeds like corn are the most effective. However, when using corn in feed formulation, it should not be ground too finely, as this may lead to digestion issues. For protein sources, cost-effective options such as bran and high-quality soybean meal are recommended.
A recommended concentrate formula for meat sheep includes: 62% corn, 12% bran, 8% soybean meal, 12% cottonseed cake, 1.8% limestone powder, 1.2% calcium hydrogen phosphate, 1%, urea, 1% salt, and 1% premix. This formula provides a crude protein content of 18% and a metabolizable energy level of 12.94 MJ/kg.
For the early stage of fattening (first 20 days), the formula suggests 46% corn, 20% bran, 30% cottonseed cake or rapeseed meal, along with 1% limestone, 1% calcium hydrogen phosphate, 1% salt, and 1% premix. The protein content here is around 18.5%, with a digestible energy of 12.78 MJ/kg. During the mid-phase (next 20 days), the proportion of corn increases to 55%, while bran is reduced to 16%, and cottonseed cake or rapeseed meal makes up 25%. The protein content drops slightly to 16.8%, but the energy level rises to 13.00 MJ/kg. In the final phase (last 20 days), the formula shifts to 66% corn, 10% bran, 20% cottonseed cake or rapeseed meal, and 1% each of limestone, calcium hydrogen phosphate, salt, and premix. The protein content is now 15%, and the energy level reaches 13.20 MJ/kg.
When using premixes, it’s important to note that most small farms and individual farmers do not have the equipment or expertise to create their own. Therefore, it is advisable to purchase premixes from reputable manufacturers who ensure quality and consistency. Choosing reliable suppliers helps maintain the nutritional balance and effectiveness of the feed, ultimately leading to better growth performance and health outcomes for the sheep.
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