Smash and flatten
Various cereal feeds, such as barley, corn, sorghum, etc., must be crushed or flattened before feeding, especially for hard-shelled cereals, this processing is more important. Because these hard-shelled grains are generally not digested in the digestive tract of livestock, many grains will be excreted with the feces, causing waste. If crushed or flattened, not only livestock can be easily chewed, but also the contact area between nutrients in the feed and the digestive juice is increased, the digestibility is improved, and it is also easy to mix with other feeds. The degree of comminution of the feed should be determined according to the type of livestock: cattle and sheep's feed can be broken into 2 millimeters; feed for horses, donkeys and quail can be broken into 4 millimeters.
soak
Soaking method is generally applied to oil cake concentrates. The soaked feed is easy to chew and digest, especially for pigs and poultry. The water that soaks the feed contains various nutrients and should be fed together with the ingredients. Soaking oil cakes in summer is easy to spoil, and the time should not be too long.
Steaming and frying
These two methods of preparation apply to legume feeds. After cooking and frying, the utilization of protein and starch increased. In addition, broiling can make the feed produce a fragrance odor, improve palatability, increase the appetite of livestock and increase feed intake.
Saccharification
This method is applicable to feeds containing starch, which contains starch can be fully converted to dextrin and maltose, the content can increase from 1% to 10%. The saccharified feed has a sweet taste and livestock are very fond of eating. Fermentation
Fine feed fermentation is one of the commonly used modulation methods for pig raising and cow raising. After fermentation, feed can improve palatability, increase digestibility and utilization of crude protein, and increase vitamin B content. After fermentation, the concentrate feed has a good effect on the appetite, health, reproduction and feed utilization of livestock.
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