As a new type of dietary fiber, resistant starch is more studied in food. Because it does not digest and does not absorb, it will not increase calories, increase satiety, reduce energy intake, help reduce body weight, promote fat oxidation, and increase Fat is discharged. The above effects are beneficial to the body's weight loss, but have a negative impact on animal production, so symptoms such as soft stools and high feed compensation may occur to varying degrees.
In response to these factors of the above new corn itself, the solution is as follows:
First, a well-targeted, highly specific complex enzyme preparation can be used.
Second, moderate aging, the time needs to be more than a month.
Third, the transition can be gradually mixed with high-quality Chen corn, and the transition period is more than half a month.
Fourth, seek corn replacement products such as wheat and its by-products, rice, rice bran, palm kernel meal, etc., to reduce the amount of corn used at this stage.
(1) Wheat can be used as the main energy feed for poultry. It can also achieve good feeding and economic benefits by partially or completely replacing corn in pig diet. The digestibility of non-starch polysaccharides in wheat is very low, and the corresponding enzyme preparations need to be added to solve and improve; the total biotin content in wheat is higher than that of corn, but the utilization rate is low. The feeding of wheat diet must pay attention to the addition of biotin; wheat The pigment content is only 11% of corn, so it is necessary to consider the appropriate combination of corn protein powder, alfalfa powder, coloring agent and the like.
(2) Palm kernel meal is usually classified as energy feed because of its high crude fat content, which can replace corn or bran by 1:1. Palm kernel meal has no deleterious effects when added to broiler chicken and adult broiler feed, and feed intake is usually higher than that of chickens fed a corn base diet (Jin Ling et al., 2009). However, 78% of non-starch polysaccharides in palm kernel meal are linear mannans, arginine and lysine are unbalanced, and the content of crude fiber is high. When used in large quantities, it should be combined with enzyme preparations such as mannanase, and added For the acid, the effect is more assured. At the same time, palm pupa has an adverse effect on the granulation capacity, and the ring mold wear is also large. It is necessary to consider the appropriate substitution amount from the actual production.
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