In general, the finer the mineral element pre-mixed additives are, the more homogeneous the mixing, the better the feeding effect. After the protein feed is crushed, it can increase the contact surface between the feed and the digestive juice of the livestock and poultry, and can improve the digestibility of the feed. However, it should not be crushed too fine, resulting in insufficient chewing of livestock and poultry and uneven mixing of saliva, which in turn impedes digestion. The fineness of the feed should vary depending on the type of livestock and poultry.
The chicken's feed should not be too fine, because the chicken likes to eat pellets or broken cereals, can be used with the thickness. Rice, broken rice can be directly added to the mixer in granular form. The fineness of wheat and barley should be less than 2.5 mm. Corn, brown rice and soybean cake should be processed into powdery material. When laying hens produce soft shell eggs that require calcium supplementation, it is desirable to feed granules of calcium, that is, to grind limestone, shells, etc., into sorghum grain-sized granules, which are fed at the end of each evening when they are fed. Because the particle calcium stays in the chicken for a long time, it is beneficial to the absorption and utilization of the chicken body, so the effect of calcium supplementation is good.
Sub-pigs are preferably made of specially formulated pelleted feed or chopped feed. Legumes and other energy feeds can be fried and fed. Small pigs under 25 kg can feed general piglets; feeds of 25 kg or more can be shredded finely. Degree can be controlled within 2 mm. Feed the pig's feed, the finer the better.
The comminuted fineness of cattle and sheep's concentrate feed can exceed 2mm, because cows can be ruminated, the feed is a little thicker to facilitate rumination, and improve the digestibility of feed. Old cattle and sheep's feed can be crushed to within 1 millimeter to facilitate digestion.
While considering the type of livestock and poultry, the fineness of the feed must also be taken into consideration so that fat-rich cereal feeds such as corn and oats are not crushed and stored for too long, so as to avoid deterioration and deterioration.
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